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ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas

<!– Class –> This class represents a canvas that is used to draw geographic shapes with GDI+.

Remarks

This class allows you to use GDI+ drawing to render your features.

The basic flow of the use of the class is to first call BeginDrawing and pass in a image along with its world extent.

Inheritance Hierarchy

*System.Object ThinkGeo.MapSuite.Core.GeoCanvas *ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas

Members Summary

Public Constructors

Name	Parameters	DeclaringType	Summary
GdiPlusGeoCanvas			This method is the default constructor for the GdiPlusGeoCanvas.

Protected Constructors

Name	Parameters	DeclaringType	Summary

Public Methods

Name	Parameters	DeclaringType	Summary
BeginDrawing	Object, RectangleShape, GeographyUnit	GeoCanvas	This method begins the act of drawing on the GeoCanvas.
Clear	GeoBrush	GeoCanvas	This method clears the current GeoCanvas using the color specified.
CloneDeep		GeoCanvas	Create a copy of GeoCanvas using the deep clone process.
ConvertGeoImageToMemoryStream	GeoImage		This method converts a GeoImage to a memory stream.
ConvertGeoImageToMemoryStream	GeoImage, ImageFormat		This method converts a GeoImage to a memory stream.
CreateGeoImage	Int32, Int32		This method returns a GeoImage based on the height and width you provide.
DrawArea	AreaBaseShape, GeoBrush, DrawingLevel	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	Feature, GeoBrush, DrawingLevel	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	AreaBaseShape, GeoPen, DrawingLevel	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	Feature, GeoPen, DrawingLevel	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	Feature, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	AreaBaseShape, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	IEnumerable<ScreenPointF［］>, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	AreaBaseShape, GeoPen, GeoBrush, DrawingLevel	GeoCanvas	This method draws an area on the GeoCanvas.
DrawArea	Feature, GeoPen, GeoBrush, DrawingLevel	GeoCanvas	This method draws an area on the GeoCanvas.
DrawEllipse	Feature, Single, Single, GeoPen, DrawingLevel	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	PointBaseShape, Single, Single, GeoPen, DrawingLevel	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	Feature, Single, Single, GeoBrush, DrawingLevel	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	PointBaseShape, Single, Single, GeoBrush, DrawingLevel	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	Feature, Single, Single, GeoPen, GeoBrush, DrawingLevel	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	PointBaseShape, Single, Single, GeoPen, GeoBrush, DrawingLevel	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	Feature, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	PointBaseShape, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas	Draws a point on the GeoCanvas.
DrawEllipse	ScreenPointF, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas	Draws a point on the GeoCanvas.
DrawLine	LineBaseShape, GeoPen, DrawingLevel, Single, Single	GeoCanvas	Draws a line on the GeoCanvas.
DrawLine	LineBaseShape, GeoPen, DrawingLevel	GeoCanvas	Draws a line on the GeoCanvas.
DrawLine	Feature, GeoPen, DrawingLevel	GeoCanvas	Draws a line on the GeoCanvas.
DrawLine	IEnumerable<ScreenPointF>, GeoPen, DrawingLevel, Single, Single	GeoCanvas	Draws the LineShape on the GeoCanvas.
DrawLine	Feature, GeoPen, DrawingLevel, Single, Single	GeoCanvas	Draws a line on the GeoCanvas.
DrawScreenImage	GeoImage, Single, Single, Single, Single, DrawingLevel, Single, Single, Single	GeoCanvas	Draws a screen image on the GeoCanvas.
DrawScreenImageWithoutScaling	Bitmap, Single, Single, DrawingLevel, Single, Single, Single		Draws an unscaled image on the GeoCanvas.
DrawScreenImageWithoutScaling	GeoImage, Single, Single, DrawingLevel, Single, Single, Single	GeoCanvas	Draws an unscaled image on the GeoCanvas.
DrawText	String, GeoFont, GeoBrush, GeoPen, IEnumerable<ScreenPointF>, DrawingLevel, Single, Single, Single	GeoCanvas	This method allows you to draw text at the specified location, using the specified brush and font parameters.
DrawText	String, GeoFont, GeoBrush, IEnumerable<ScreenPointF>, DrawingLevel	GeoCanvas	This method allows you to draw text at the specified location, using the specified brush and font parameters.
DrawTextWithScreenCoordinate	String, GeoFont, GeoBrush, GeoPen, Single, Single, DrawingLevel	GeoCanvas
DrawTextWithScreenCoordinate	String, GeoFont, GeoBrush, Single, Single, DrawingLevel	GeoCanvas	This method allows you to draw text at the specified location, using the specified brush and font parameters.
DrawTextWithWorldCoordinate	String, GeoFont, GeoBrush, GeoPen, Double, Double, DrawingLevel	GeoCanvas
DrawTextWithWorldCoordinate	String, GeoFont, GeoBrush, Double, Double, DrawingLevel	GeoCanvas	This method allows you to draw text at the specified location, using the specified brush and font parameters.
DrawWorldImage	GeoImage, Double, Double, Double, DrawingLevel, Single, Single, Single	GeoCanvas	Draws a world image on the GeoCanvas.
DrawWorldImage	GeoImage, Double, Double, Single, Single, DrawingLevel	GeoCanvas	Draws a scaled image on the GeoCanvas.
DrawWorldImage	GeoImage, Double, Double, Single, Single, DrawingLevel, Single, Single, Single	GeoCanvas	Draws a world image on the GeoCanvas.
DrawWorldImageWithoutScaling	GeoImage, Double, Double, DrawingLevel	GeoCanvas	Draws an unscaled image on the GeoCanvas.
DrawWorldImageWithoutScaling	GeoImage, Double, Double, DrawingLevel, Single, Single, Single	GeoCanvas	Draws an unscaled image on the GeoCanvas.
DrawWorldImageWithoutScaling	Bitmap, Double, Double, DrawingLevel, Single, Single, Single		Draws an unscaled image on the GeoCanvas.
DrawWorldImageWithoutScaling	Bitmap, Double, Double, DrawingLevel		Draws an unscaled image on the GeoCanvas.
EndDrawing		GeoCanvas	This method ends drawing and commits the drawing on the GeoCanvas.
Equals	Object	Object
FillBackground	GeoImage, GeoBrush		This method fills the specified GeoImage with the specified GeoBrush.
Flush		GeoCanvas	This method flush drawing and commits the drawing on the GeoCanvas.
GetHashCode		Object
GetStreamFromGeoImage	GeoImage	GeoCanvas(overriden)	This method returns a stream that represents the GeoImage in TIFF format.
GetType		Object
MeasureText	String, GeoFont	GeoCanvas	This method returns the rectangle that contains the specified text, when that text is drawn with the specified font.
ToGeoImage	Object	GeoCanvas	This method converts an oboject to a GeoImage. In GdiPlus, this object is often a Bitmap.
ToNativeImage	GeoImage	GeoCanvas	This method converts a GeoImage to a commonly-used object. In GdiPlus, this object is often a Bitmap.
ToString		Object

Protected Methods

Name	Parameters	DeclaringType	Summary
BeginDrawingCore	Object, RectangleShape, GeographyUnit	GeoCanvas(overriden)	This method begins the act of drawing on the GeoCanvas.
ClearCore	GeoBrush	GeoCanvas	This method clears the current GeoCanvas using the color specified.
CloneDeepCore		GeoCanvas	Create a copy of GeoCanvas using the deep clone process. The default implementation uses serialization.
DrawAreaCore	IEnumerable<ScreenPointF［］>, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas(overriden)	This method draws the area on the GeoCanvas.
DrawEllipseCore	ScreenPointF, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder	GeoCanvas(overriden)	Draws the point on the GeoCanvas.
DrawLineCore	IEnumerable<ScreenPointF>, GeoPen, DrawingLevel, Single, Single	GeoCanvas(overriden)	Draws a LineShape on the GeoCanvas.
DrawScreenImageCore	GeoImage, Single, Single, Single, Single, DrawingLevel, Single, Single, Single	GeoCanvas(overriden)	Draws a scaled image on the GeoCanvas.
DrawScreenImageWithoutScalingCore	GeoImage, Single, Single, DrawingLevel, Single, Single, Single	GeoCanvas(overriden)	Draws an unscaled image on the GeoCanvas.
DrawTextCore	String, GeoFont, GeoBrush, GeoPen, IEnumerable<ScreenPointF>, DrawingLevel, Single, Single, Single	GeoCanvas(overriden)	This method allows you to draw text at the specified location, using the specified brush and font parameters.
EndDrawingCore		GeoCanvas(overriden)	This method ends drawing and commits the drawing on the GeoCanvas.
Finalize		Object
FlushCore		GeoCanvas(overriden)	This method flush drawing and commits the drawing on the GeoCanvas.
GetCanvasHeight	Object	GeoCanvas	This method gets the canvas height of the passed-in native image object.
GetCanvasHeightCore	Object	GeoCanvas(overriden)	This method gets the canvas height of the specified native image object.
GetCanvasWidth	Object	GeoCanvas	This method gets the canvas width of the passed-in native image object.
GetCanvasWidthCore	Object	GeoCanvas(overriden)	This method gets the canvas width of the specified native image object.
MeasureTextCore	String, GeoFont	GeoCanvas(overriden)	This method returns the rectangle that contains the specified text, when that text is drawn with the specified font.
MemberwiseClone		Object
OnDrawingProgressChanged	DrawingProgressChangedEventArgs	GeoCanvas
ToGeoImageCore	Object	GeoCanvas(overriden)	This method returns a GeoImage from a native image object.
ToNativeImageCore	GeoImage	GeoCanvas(overriden)	This method returns a native image object from the specified GeoCanvas.

Public Properties

Name	Return	DeclaringType	Summary
ClippingArea	RectangleShape	GeoCanvas
CompositingQuality	CompositingQuality		This property returns or sets the quality level to use during compositing.
CurrentScale	Double	GeoCanvas	This property gets the current scale of the canvas.
CurrentWorldExtent	RectangleShape	GeoCanvas	This property gets the adjusted current extent based on what was set when BeginDrawing was called.
Dpi	Single	GeoCanvas	The DPI value for the final drawing result, only valid when HasDpi set to true.
DrawingQuality	DrawingQuality	GeoCanvas	This property returns the drawing quality when rendering on the GeoCanvas.
HasKeyColor	Boolean	GeoCanvas(overriden)	This property indicates whether a GdiPlusGeoCanvas has the KeyColor or not. If it has no KeyColor, it will throw an exception when you get or set the value of KeyColors property.
Height	Single	GeoCanvas	This property gets the height of the canvas.
InterpolationMode	InterpolationMode		Gets or sets the interpolation mode associated with this System.Drawing.Graphics.
IsDrawing	Boolean	GeoCanvas	This property gets the drawing status of the GeoCanvas.
KeyColors	Collection<GeoColor>	GeoCanvas	Gets a value represents a collection of key colors. If HasKeyColor property is false, it will throw exception when you use KeyColors.
MapUnit	GeographyUnit	GeoCanvas	This property returns the MapUnit passed in on the BeginDrawingAPI in the GeoCanvas.
NativeImage	Object	GeoCanvas	The same reference to the parameter 'nativeImage' in BeginDrawing function.
SmoothingMode	SmoothingMode		This property returns or sets the rendering quality for this GeoCanvas.
TextRenderingHint	TextRenderingHint		This property returns or sets the rendering mode for text associated with this GeoCanvas.
Width	Single	GeoCanvas	This property gets the width of the canvas.

Protected Properties

Name	Return	DeclaringType	Summary

Public Events

Name	Event Arguments	DeclaringType	Summary
DrawingProgressChanged	DrawingProgressChangedEventArgs	GeoCanvas

Public Constructors

GdiPlusGeoCanvas()

This method is the default constructor for the GdiPlusGeoCanvas.

Parameters

Name	Type	Description

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Protected Constructors

Public Methods

BeginDrawing(Object, RectangleShape, GeographyUnit)

This method begins the act of drawing on the GeoCanvas.

Remarks

This is the first method that needs to be called before any drawing takes place. Calling this method will set the IsDrawing property to true. When you finish drawing, you must call EndDrawing to commit the changes to the image.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	This parameter represents the image you want the GeoCanvas to draw on.
worldExtent	RectangleShape<!– ThinkGeo.MapSuite.Core.RectangleShape –>	This parameter is the world extent of the canvasImage.
drawingMapUnit	GeographyUnit<!– ThinkGeo.MapSuite.Core.GeographyUnit –>	This parameter is the map unit of the canvasImage.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

Clear(GeoBrush)

This method clears the current GeoCanvas using the color specified.

Remarks

Use this method to clear the GeoCanvas.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

CloneDeep()

Create a copy of GeoCanvas using the deep clone process.

Remarks

The difference between deep clone and shallow clone is as follows: In shallow cloning, only the object is copied; the objects within it are not. By contrast, deep cloning copies the cloned object as well as all the objects within.

Return Value

Return Type	Description
GeoCanvas<!– ThinkGeo.MapSuite.Core.GeoCanvas –>	A cloned GeoCanvas.

Parameters

Name	Type	Description

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

ConvertGeoImageToMemoryStream(GeoImage)

<!– static –> This method converts a GeoImage to a memory stream.

Overloads

This overload saves the bytes to the memory stream in TIFF format.

Remarks

This method is used to get a TIFF memory stream from a GeoImage using the canvas-specific methods. If you need to get a format other than TIFF, you can use the other overload which allows you to specify the output format.

Return Value

Return Type	Description
MemoryStream<!– System.IO.MemoryStream –>	This method converts a GeoImage to a memory stream.

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This parameter is the GeoImage you want to convert to a stream.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

ConvertGeoImageToMemoryStream(GeoImage, ImageFormat)

<!– static –> This method converts a GeoImage to a memory stream.

Overloads

This overload saves the bytes to the memory stream in the format you specify.

Remarks

This method allows you to save the GeoImage to any format you specify. This allows you to convert it to a PNG, or a variety of other formats, and then save it to disk.

Return Value

Return Type	Description
MemoryStream<!– System.IO.MemoryStream –>	The return is a memory stream with the bytes formatted according to the image format you specify.

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This parameter is the GeoImage you want to convert to a memory stream.
imageFormat	ImageFormat<!– System.Drawing.Imaging.ImageFormat –>	This parameter is the image format you want the stream to be in.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

CreateGeoImage(Int32, Int32)

<!– static –> This method returns a GeoImage based on the height and width you provide.

Remarks

You can use this static member to easily create a GeoCanvas.

Return Value

Return Type	Description
GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This method returns a GeoImage based on the height and width you provide.

Parameters

Name	Type	Description
width	Int32<!– System.Int32 –>	This parameter is the width of the GeoImage.
height	Int32<!– System.Int32 –>	This parameter is the height of the GeoImage.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

DrawArea(AreaBaseShape, GeoBrush, DrawingLevel)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
shape	AreaBaseShape<!– ThinkGeo.MapSuite.Core.AreaBaseShape –>	This parameter is the area shape to be drawn.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill Brush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(Feature, GeoBrush, DrawingLevel)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the AreaShape in well-known binary format.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(AreaBaseShape, GeoPen, DrawingLevel)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	AreaBaseShape<!– ThinkGeo.MapSuite.Core.AreaBaseShape –>	This parameter is the area shape.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the area.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(Feature, GeoPen, DrawingLevel)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the area feature.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the area.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(Feature, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the AreaFeature to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the AreaShape.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the feature that will be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the feature that will be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines the PenBrushingDrawingOrder used when drawing the area type feature.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(AreaBaseShape, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
shape	AreaBaseShape<!– ThinkGeo.MapSuite.Core.AreaBaseShape –>	This parameter is the area shape to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the AreaShape.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the feature to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the feature to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines the PenBrushDrawingOrder used when drawing the area type feature.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(IEnumerable<ScreenPointF［］>, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
screenPoints	IEnumerable<ScreenPointF［］><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointFthinkgeo.mapsuite.core.gdiplusgeocanvas} –>	This parameter is the AreaShape in well-known binary format.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the AreaShape.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the feature to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the feature to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines the PenBrushDrawingOrder used when drawing the area type feature.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(AreaBaseShape, GeoPen, GeoBrush, DrawingLevel)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
shape	AreaBaseShape<!– ThinkGeo.MapSuite.Core.AreaBaseShape –>	This parameter is the area shape to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline pen that will be used to draw the AreaShape.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill Brush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawArea(Feature, GeoPen, GeoBrush, DrawingLevel)

This method draws an area on the GeoCanvas.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type

Description

Void<!– System.Void –>

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the AreaFeature to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the AreaShape.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the AreaShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(Feature, Single, Single, GeoPen, DrawingLevel)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the center point feature.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(PointBaseShape, Single, Single, GeoPen, DrawingLevel)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	PointBaseShape<!– ThinkGeo.MapSuite.Core.PointBaseShape –>	This parameter is the center point shape.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(Feature, Single, Single, GeoBrush, DrawingLevel)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
centerPointFeature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the center point feature.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the the GeoBrush will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(PointBaseShape, Single, Single, GeoBrush, DrawingLevel)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	PointBaseShape<!– ThinkGeo.MapSuite.Core.PointBaseShape –>	This parameter is the center point shape.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the the GeoBrush will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(Feature, Single, Single, GeoPen, GeoBrush, DrawingLevel)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the center point feature.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen or GeoBrush will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(PointBaseShape, Single, Single, GeoPen, GeoBrush, DrawingLevel)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	PointBaseShape<!– ThinkGeo.MapSuite.Core.PointBaseShape –>	This parameter is the center point shape.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen or GeoBrush will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(Feature, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the center point feature.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen or GeoBrush will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the ellipse to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the ellipse to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines the PenBrushDrawingOrder used when drawing the ellipse.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(PointBaseShape, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	PointBaseShape<!– ThinkGeo.MapSuite.Core.PointBaseShape –>	This parameter is the center point shape.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen or GeoBrush will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the ellipse to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the ellipse to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines the PenBrushDrawingOrder used when drawing the ellipse.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawEllipse(ScreenPointF, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Draws a point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
screenPoint	ScreenPointF<!– ThinkGeo.MapSuite.Core.ScreenPointF –>	This parameter is the center point in screen coordinate.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen or GeoBrush will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the ellipse to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the ellipse to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawLine(LineBaseShape, GeoPen, DrawingLevel, Single, Single)

Draws a line on the GeoCanvas.

Remarks

This method is used to draw a line on the GeoCanvas using the specified GeoPen.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple lines. This is very useful when you want to draw a road, for example. You can draw the black background on the lowest level, then draw a slightly thinner white line on a higher level. This will result in a great effect for a road.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	LineBaseShape<!– ThinkGeo.MapSuite.Core.LineBaseShape –>	This parameter is the line shape to be drawn by GeoCannvas.
linePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the GeoPen that will be used to draw the line.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the feature to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the feature to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawLine(LineBaseShape, GeoPen, DrawingLevel)

Draws a line on the GeoCanvas.

Remarks

This method is used to draw a line on the GeoCanvas using the specified GeoPen.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple lines. This is very useful when you want to draw a road, for example. You can draw the black background on the lowest level, then draw a slightly thinner white line on a higher level. This will result in a great effect for a road.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
shape	LineBaseShape<!– ThinkGeo.MapSuite.Core.LineBaseShape –>	This parameter is the line shape to be drawn by GeoCannvas.
linePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the GeoPen that will be used to draw the line.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawLine(Feature, GeoPen, DrawingLevel)

Draws a line on the GeoCanvas.

Remarks

This method is used to draw a line on the GeoCanvas using the specified GeoPen.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple lines. This is very useful when you want to draw a road, for example. You can draw the black background on the lowest level, then draw a slightly thinner white line on a higher level. This will result in a great effect for a road.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the line feature.
linePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the GeoPen that will be used to draw the line.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawLine(IEnumerable<ScreenPointF>, GeoPen, DrawingLevel, Single, Single)

Draws the LineShape on the GeoCanvas.

Remarks

This method is used to draw a line on the GeoCanvas using the specified GeoPen.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple lines. This is very useful when you want to draw a road, for example. You can draw the black background on the lowest level, then draw a slightly thinner white line on a higher level. This will result in a great effect for a road.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
screenPoints	IEnumerable<ScreenPointF><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointF} –>	This parameter is the LineShape in well-known binary format.
linePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the GeoPen that will be used to draw the LineShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the feature to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the feature to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawLine(Feature, GeoPen, DrawingLevel, Single, Single)

Draws a line on the GeoCanvas.

Remarks

This method is used to draw a line on the GeoCanvas using the specified GeoPen.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple lines. This is very useful when you want to draw a road, for example. You can draw the black background on the lowest level, then draw a slightly thinner white line on a higher level. This will result in a great effect for a road.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
feature	Feature<!– ThinkGeo.MapSuite.Core.Feature –>	This parameter is the line feature to be drawn by GeoCannvas.
linePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the GeoPen that will be used to draw the line.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the feature to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the feature to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawScreenImage(GeoImage, Single, Single, Single, Single, DrawingLevel, Single, Single, Single)

Draws a screen image on the GeoCanvas.

Remarks

Drawing an image scaled is slower than using the API that draws it unscaled.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw.
centerXInScreen	Single<!– System.Single –>	The X coordinate of the center point (in screen coordinates) of where you want to draw the image.
centerYInScreen	Single<!– System.Single –>	The Y coordinate of the center point (in screen coordinates) of where you want to draw the image.
widthInScreen	Single<!– System.Single –>	The width you want to scale the image to. This is the width of the image that will be drawn.
heightInScreen	Single<!– System.Single –>	The height you want to scale the image to. This is the height of the image that will be drawn.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawScreenImageWithoutScaling(Bitmap, Single, Single, DrawingLevel, Single, Single, Single)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	Bitmap<!– System.Drawing.Bitmap –>	The image you want to draw unscaled.
centerXInScreen	Single<!– System.Single –>	The X coordinate of the center point (in screen coordinates) of where you want to draw the image.
centerYInScreen	Single<!– System.Single –>	The Y coordinate of the center point (in screen coordinates) of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

DrawScreenImageWithoutScaling(GeoImage, Single, Single, DrawingLevel, Single, Single, Single)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

The X & Y in work coordinates is where the center of the image will be drawn.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw unscaled.
centerXInScreen	Single<!– System.Single –>	The X coordinate of the center point (in screen coordinates) of where you want to draw the image.
centerYInScreen	Single<!– System.Single –>	The Y coordinate of the center point (in screen coordinates) of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawText(String, GeoFont, GeoBrush, GeoPen, IEnumerable<ScreenPointF>, DrawingLevel, Single, Single, Single)

This method allows you to draw text at the specified location, using the specified brush and font parameters.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter specifies the text you wish to draw.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font you wish to use to draw the text.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter specifies the kind of fill you want to use to draw the text.
haloPen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter specifies the HaloPen that will be used to draw the text, when the HaloPen effect is needed.
textPathInScreen	IEnumerable<ScreenPointF><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointF} –>	This parameter specifies the path on which to draw the text.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter specifies the drawing level you wish to draw the text on. Higher levels overwrite lower levels.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the text to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the text to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the text to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawText(String, GeoFont, GeoBrush, IEnumerable<ScreenPointF>, DrawingLevel)

This method allows you to draw text at the specified location, using the specified brush and font parameters.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter specifies the text you wish to draw.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font you wish to use to draw the text.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter specifies the kind of fill you want to use to draw the text.
textPathInScreen	IEnumerable<ScreenPointF><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointF} –>	This parameter specifies the path on which to draw the text.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter specifies the drawing level you wish to draw the text on. Higher levels overwrite lower levels.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawTextWithScreenCoordinate(String, GeoFont, GeoBrush, GeoPen, Single, Single, DrawingLevel)

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>
haloPen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>
upperLeftXInScreen	Single<!– System.Single –>
upperLeftYInScreen	Single<!– System.Single –>
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawTextWithScreenCoordinate(String, GeoFont, GeoBrush, Single, Single, DrawingLevel)

This method allows you to draw text at the specified location, using the specified brush and font parameters.

Remarks

This method is used to draw text on the GeoCanvas at specific screen coordinates. It provides you with a number of overloads that allow you to control how the text is drawn. This is useful especially when adding things such as legends, titles, etc.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple text items. This is very useful when you want to draw a drop shadow, for example. You can draw the black backdrop on the lowest level with an offset, then draw the normal text on a higher level without an offset.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter specifies the text you wish to draw.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font you wish to use to draw the text.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter specifies the kind of fill you want to use to draw the text.
upperLeftXInScreen	Single<!– System.Single –>	This parameter is the upper left horizontal point in screen coordinates of where you want to start drawing the text from.
upperLeftYInScreen	Single<!– System.Single –>	This parameter is the upper left vertical point in screen coordinates of where you want to start drawing the text from.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter specifies the drawing level you wish to draw the text on. Higher levels overwrite lower levels.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawTextWithWorldCoordinate(String, GeoFont, GeoBrush, GeoPen, Double, Double, DrawingLevel)

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>
haloPen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>
upperLeftXInWorld	Double<!– System.Double –>
upperLeftYInWorld	Double<!– System.Double –>
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawTextWithWorldCoordinate(String, GeoFont, GeoBrush, Double, Double, DrawingLevel)

This method allows you to draw text at the specified location, using the specified brush and font parameters.

Remarks

This method is used to draw text on the GeoCanvas at specific screen coordinates. It provides you with a number of overloads that allow you to control how the text is drawn. This is useful especially when adding things such as legends, titles, etc.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple text items. This is very useful when you want to draw a drop shadow, for example. You can draw the black backdrop on the lowest level with an offset, then draw the normal text on a higher level without an offset.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter specifies the text you wish to draw.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font you wish to use to draw the text.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter specifies the kind of fill you want to use to draw the text.
upperLeftXInWorld	Double<!– System.Double –>	This parameter is the upper left horizontal point in world coordinates of where you want to start drawing the text from.
upperLeftYInWorld	Double<!– System.Double –>	This parameter is the upper left horizontal point in world coordinates of where you want to start drawing the text from.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter specifies the drawing level you wish to draw the text on. Higher levels overwrite lower levels.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawWorldImage(GeoImage, Double, Double, Double, DrawingLevel, Single, Single, Single)

Draws a world image on the GeoCanvas.

Remarks

Drawing an image scaled is slower than using the API that draws it unscaled.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point of where you want to draw the image.
imageScale	Double<!– System.Double –>	The scale at which you want to draw the image. The final width and height will be caculated based on the scale.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawWorldImage(GeoImage, Double, Double, Single, Single, DrawingLevel)

Draws a scaled image on the GeoCanvas.

Remarks

Drawing an image scaled is slower than using the API that draws it unscaled.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point of where you want to draw the image.
widthInScreen	Single<!– System.Single –>	The width you want to scale the image to. This is the width of the image that will be drawn.
heightInScreen	Single<!– System.Single –>	The height you want to scale the image to. This is the height of the image that will be drawn.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawWorldImage(GeoImage, Double, Double, Single, Single, DrawingLevel, Single, Single, Single)

Draws a world image on the GeoCanvas.

Remarks

Drawing an image scaled is slower than using the API that draws it unscaled.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point of where you want to draw the image.
widthInScreen	Single<!– System.Single –>	The width you want to scale the image to. This is the width of the image that will be drawn.
heightInScreen	Single<!– System.Single –>	The height you want to scale the image to. This is the height of the image that will be drawn.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawWorldImageWithoutScaling(GeoImage, Double, Double, DrawingLevel)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

The X & Y in work coordinates is where the center of the image will be drawn.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw unscaled.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawWorldImageWithoutScaling(GeoImage, Double, Double, DrawingLevel, Single, Single, Single)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

The X & Y in work coordinates is where the center of the image will be drawn.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw unscaled.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point (in world coordinates) of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point (in world coordinates) of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawWorldImageWithoutScaling(Bitmap, Double, Double, DrawingLevel, Single, Single, Single)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	Bitmap<!– System.Drawing.Bitmap –>	The image you want to draw unscaled.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point (in world coordinates) of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point (in world coordinates) of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset (in pixels) for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset (in pixels) for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

DrawWorldImageWithoutScaling(Bitmap, Double, Double, DrawingLevel)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	Bitmap<!– System.Drawing.Bitmap –>	The image you want to draw unscaled.
centerXInWorld	Double<!– System.Double –>	The X coordinate of the center point (in world coordinates) of where you want to draw the image.
centerYInWorld	Double<!– System.Double –>	The Y coordinate of the center point (in world coordinates) of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

EndDrawing()

This method ends drawing and commits the drawing on the GeoCanvas.

Remarks

This method should be called when you are finished drawing. It will commit the image changes to the image you passed in on BeginDrawing. It will also set IsDrawing to false. After you call this method it will put the GeoCanvas into an invalid state, so if you then call any drawing methods it will raise an exception.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

Equals(Object)

Return Value

Return Type	Description
Boolean<!– System.Boolean –>

Parameters

Name	Type	Description
obj	Object<!– System.Object –>

<!– System.Object –> Go Back

FillBackground(GeoImage, GeoBrush)

<!– static –> This method fills the specified GeoImage with the specified GeoBrush.

Remarks

This method allows you to fill a GeoImage with the specific fill style of the GeoBrush you pass in. It is useful for setting backgrounds.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This parameter is the GeoImage you want to set the background on.
brush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter is the GeoBrush you want to fill the background with.

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

Flush()

This method flush drawing and commits the drawing on the GeoCanvas.

Remarks

This method should be called when you are finished drawing. It will commit the image changes to the image you passed in on BeginDrawing. It will also set IsDrawing to false. After you call this method it will put the GeoCanvas into an invalid state, so if you then call any drawing methods it will raise an exception.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

GetHashCode()

Return Value

Return Type	Description
Int32<!– System.Int32 –>

Parameters

Name	Type	Description

<!– System.Object –> Go Back

GetStreamFromGeoImage(GeoImage)

This method returns a stream that represents the GeoImage in TIFF format.

Remarks

This method allows you to get the stream out of a GeoImage. The stream is a memory stream and the bytes are in TIFF format. Once you have the stream, you can then save it to whatever format you need.

Return Value

Return Type	Description
Stream<!– System.IO.Stream –>	This method returns a stream that represents the GeoImage in TIFF format.

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This parameter is the GeoImage you want to convert to a stream.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

GetType()

Return Value

Return Type	Description
Type<!– System.Type –>

Parameters

Name	Type	Description

<!– System.Object –> Go Back

MeasureText(String, GeoFont)

This method returns the rectangle that contains the specified text, when that text is drawn with the specified font.

Remarks

This method is typically used for labeling, to determine whether labels overlap.

Return Value

Return Type	Description
DrawingRectangleF<!– ThinkGeo.MapSuite.Core.DrawingRectangleF –>	This method returns the rectangle that contains the specified text, when that text is drawn with the specified font.

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter represents the text you want to measure.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font of the text you want to measure.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

ToGeoImage(Object)

This method converts an oboject to a GeoImage. In GdiPlus, this object is often a Bitmap.

Remarks

This method is a BaseClass API and will be implemented and used in its sub-concrete classes.

Return Value

Return Type	Description
GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The returning GeoImage containing the same information as the passed-in nativeImage.

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	The target object to be converted.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

ToNativeImage(GeoImage)

This method converts a GeoImage to a commonly-used object. In GdiPlus, this object is often a Bitmap.

Remarks

This method is a BaseClass API and will be implemented and used in its sub-concrete classes.

Return Value

Return Type	Description
Object<!– System.Object –>	The returning object containing the same information as the passed-in geoImage.

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The target geoImage to convert.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

ToString()

Return Value

Return Type	Description
String<!– System.String –>

Parameters

Name	Type	Description

<!– System.Object –> Go Back

Protected Methods

BeginDrawingCore(Object, RectangleShape, GeographyUnit)

This method begins the act of drawing on the GeoCanvas.

Remarks

This is the first method that needs to be called before any drawing takes place. Calling this method will set the IsDrawing property to true. When you finish drawing, you must call EndDrawing to commit the changes to the image.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	This parameter represents the image you want the GeoCanvas to draw on.
worldExtent	RectangleShape<!– ThinkGeo.MapSuite.Core.RectangleShape –>	This parameter is the world extent of the canvasImage.
drawingMapUnit	GeographyUnit<!– ThinkGeo.MapSuite.Core.GeographyUnit –>	This parameter is the map unit of the canvasImage.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

ClearCore(GeoBrush)

This method clears the current GeoCanvas using the color specified.

Remarks

Use this method to clear the GeoCanvas.

This method is designed to be overridden by the deriving class.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter specifies the the brush that will be used to clear the GeoCanvas.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

CloneDeepCore()

Create a copy of GeoCanvas using the deep clone process. The default implementation uses serialization.

Remarks

The difference between deep clone and shallow clone is as follows: In shallow cloning, only the object is copied; the objects within it are not. By contrast, deep cloning copies the cloned object as well as all the objects within.

Return Value

Return Type	Description
GeoCanvas<!– ThinkGeo.MapSuite.Core.GeoCanvas –>	A cloned GeoCanvas.

Parameters

Name	Type	Description

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawAreaCore(IEnumerable<ScreenPointF［］>, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

This method draws the area on the GeoCanvas.

Overloads

This overload allows you to pass in the GeoPen and the DrawingLevel you want to draw on.

Remarks

This method is used to draw on the GeoCanvas. It provides you with a number of overloads that allow you to control how things are drawn. Specify the GeoBrush to fill in an area. Specify the GeoPen to outline an area using that GeoPen. You can also call an overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when you are drawing multiple areas. This is very useful when you want to draw a drop shadow, for example. In that case, you could draw the black backdrop on the lowest level with an offset, then draw the normal shape on a higher level without an offset.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
screenPoints	IEnumerable<ScreenPointF［］><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointFthinkgeo.mapsuite.core.gdiplusgeocanvas} –>	This parameter is the area point in screen coordinates.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the area.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the GeoBrush that will be used to draw the area.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the area to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the area to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines pen and brush drawing order.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

DrawEllipseCore(ScreenPointF, Single, Single, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Draws the point on the GeoCanvas.

Remarks

This method is used to draw a point on the GeoCanvas. It provides you with a number of overloads that allow you to control how it is drawn. Specify the GeoBrush to fill in the area of the point. Specify the GeoPen to outline the point using that GeoPen. You can also call a overload that will allow you to specify both a GeoPen and a GeoBrush.

The DrawingLevel allows you to specify the level you will draw on when drawing many points.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
screenPoint	ScreenPointF<!– ThinkGeo.MapSuite.Core.ScreenPointF –>	This parameter is the point in screen coordinates.
width	Single<!– System.Single –>	This parameter describes the width of the ellipse to be drawn.
height	Single<!– System.Single –>	This parameter describes the height of the ellipse to be drawn.
outlinePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the outline GeoPen that will be used to draw the point.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter describes the fill GeoBrush that will be used to draw the point.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen or GeoBrush will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset of the ellipse to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset of the ellipse to be drawn.
penBrushDrawingOrder	PenBrushDrawingOrder<!– ThinkGeo.MapSuite.Core.PenBrushDrawingOrder –>	This parameter determines pen and brush drawing order.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

DrawLineCore(IEnumerable<ScreenPointF>, GeoPen, DrawingLevel, Single, Single)

Draws a LineShape on the GeoCanvas.

Remarks

This method is used to draw a line on the GeoCanvas using the specified GeoPen.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple lines. This is very useful when you want to draw a road, for example. You can draw the black background on the lowest level, then draw a slightly thinner white line on a higher level. This will result in a great effect for a road.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
screenPoints	IEnumerable<ScreenPointF><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointF} –>	This parameter represents the line points in screen coordinates.
linePen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter describes the GeoPen that will be used to draw the LineShape.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel that the GeoPen will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the line to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the line to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

DrawScreenImageCore(GeoImage, Single, Single, Single, Single, DrawingLevel, Single, Single, Single)

Draws a scaled image on the GeoCanvas.

Remarks

Drawing an image scaled is slower than using the API that draws it unscaled.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw.
centerXInScreen	Single<!– System.Single –>	The X coordinate of the center point (in screen coordinates) of where you want to draw the image.
centerYInScreen	Single<!– System.Single –>	The Y coordinate of the center point (in screen coordinates) of where you want to draw the image.
widthInScreen	Single<!– System.Single –>	The width you want to scale the image to. This is the width at which the image will be drawn.
heightInScreen	Single<!– System.Single –>	The height you want to scale the image to. This is the height at which the image will be drawn.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

DrawScreenImageWithoutScalingCore(GeoImage, Single, Single, DrawingLevel, Single, Single, Single)

Draws an unscaled image on the GeoCanvas.

Remarks

Drawing an image unscaled is faster than using the API that scales it.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	The image you want to draw unscaled.
centerXInScreen	Single<!– System.Single –>	The X coordinate of the center point (in screen coordinates) of where you want to draw the image.
centerYInScreen	Single<!– System.Single –>	The Y coordinate of the center point (in screen coordinates) of where you want to draw the image.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter determines the DrawingLevel the image will draw on.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the image to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the image to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the image to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

DrawTextCore(String, GeoFont, GeoBrush, GeoPen, IEnumerable<ScreenPointF>, DrawingLevel, Single, Single, Single)

This method allows you to draw text at the specified location, using the specified brush and font parameters.

Remarks

This method is used to draw text on the GeoCanvas.

The DrawingLevel allows you to specify the level you will draw on when drawing multiple text items. This is very useful when you want to draw a drop shadow, for example. You can draw the black backdrop on the lowest level with an offset, then draw the normal text on a higher level without an offset.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter specifies the text you wish to draw.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font you wish to use to draw the text.
fillBrush	GeoBrush<!– ThinkGeo.MapSuite.Core.GeoBrush –>	This parameter specifies the kind of fill you want to use to draw the text.
haloPen	GeoPen<!– ThinkGeo.MapSuite.Core.GeoPen –>	This parameter specifies the HaloPen that will be used to draw the text, when the HaloPen effect is needed.
textPathInScreen	IEnumerable<ScreenPointF><!– System.Collections.Generic.IEnumerable{ThinkGeo.MapSuite.Core.ScreenPointF} –>	This parameter specifies the path on which to draw the text.
drawingLevel	DrawingLevel<!– ThinkGeo.MapSuite.Core.DrawingLevel –>	This parameter specifies the drawing level you wish to draw the text on. Higher levels overwrite lower levels.
xOffset	Single<!– System.Single –>	This parameter determines the X offset for the text to be drawn.
yOffset	Single<!– System.Single –>	This parameter determines the Y offset for the text to be drawn.
rotateAngle	Single<!– System.Single –>	This parameter determines the rotation angle for the text to be drawn.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

EndDrawingCore()

This method ends drawing and commits the drawing on the GeoCanvas.

Remarks

This method should be called when you are finished drawing. It will commit the image changes to the image you passed in on BeginDrawing. It will also set IsDrawing to false. After you call this method it will put the GeoCanvas into an invalid state, so if you then call any drawing methods it will raise an exception.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

Finalize()

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description

<!– System.Object –> Go Back

FlushCore()

This method flush drawing and commits the drawing on the GeoCanvas.

Remarks

This method should be called when you are finished drawing. It will commit the image changes to the image you passed in on BeginDrawing. It will also set IsDrawing to false. After you call this method it will put the GeoCanvas into an invalid state, so if you then call any drawing methods it will raise an exception.

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

GetCanvasHeight(Object)

This method gets the canvas height of the passed-in native image object.

Remarks

This method is a BaseClass API and will be implemented and used in its sub-concrete classes.

Return Value

Return Type	Description
Single<!– System.Single –>	The returning canvas height.

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	The native image that will be used to get the image height.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

GetCanvasHeightCore(Object)

This method gets the canvas height of the specified native image object.

Return Value

Return Type	Description
Single<!– System.Single –>	The returning canvas height.

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	The native image will be used to get the canvas height.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

GetCanvasWidth(Object)

This method gets the canvas width of the passed-in native image object.

Remarks

This method is a BaseClass API and will be implemented and used in its sub-concrete classes.

Return Value

Return Type	Description
Single<!– System.Single –>	The returning canvas width.

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	The native image that will be used to get the image width.

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

GetCanvasWidthCore(Object)

This method gets the canvas width of the specified native image object.

Return Value

Return Type	Description
Single<!– System.Single –>	The returning canvas width.

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	The native image will be used to get the canvas width.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

MeasureTextCore(String, GeoFont)

This method returns the rectangle that contains the specified text, when that text is drawn with the specified font.

Remarks

This method is typically used for labeling, to determine whether labels overlap.

Return Value

Return Type	Description
DrawingRectangleF<!– ThinkGeo.MapSuite.Core.DrawingRectangleF –>	This method returns the rectangle that contains the specified text, when that text is drawn with the specified font.

Parameters

Name	Type	Description
text	String<!– System.String –>	This parameter represents the text you want to measure.
font	GeoFont<!– ThinkGeo.MapSuite.Core.GeoFont –>	This parameter represents the font of the text you want to measure.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

MemberwiseClone()

Return Value

Return Type	Description
Object<!– System.Object –>

Parameters

Name	Type	Description

<!– System.Object –> Go Back

OnDrawingProgressChanged(DrawingProgressChangedEventArgs)

Return Value

Return Type	Description
Void<!– System.Void –>

Parameters

Name	Type	Description
e	DrawingProgressChangedEventArgs<!– ThinkGeo.MapSuite.Core.DrawingProgressChangedEventArgs –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

ToGeoImageCore(Object)

This method returns a GeoImage from a native image object.

Remarks

This method will allows you to convert your native image object to a GeoImage. Many times, when you work with a GeoCanvas, you may not know the format of the native image. Using this method you can always convert it back to a GeoImage, which is a stream of a TIFF.

Return Value

Return Type	Description
GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This method returns a GeoImage from a native image object.

Parameters

Name	Type	Description
nativeImage	Object<!– System.Object –>	This parameter is the native image object you want to convert to a GeoImage.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

ToNativeImageCore(GeoImage)

This method returns a native image object from the specified GeoCanvas.

Remarks

It is faster to provide a native image object to the canvas for drawing. In some cases, you may not know what the native image type is. For example, for GDI+ it is a bitmap class, but in GDI it may be a handled to an HBitmap. If you are not sure how to create the native image object, you should first create a GeoImage and then call this method and it will pass back the native image object. You can then use it to get excellent drawing performance on the GeoCanvas.

Return Value

Return Type	Description
Object<!– System.Object –>	This method returns a native image object from the specified GeoCanvas.

Parameters

Name	Type	Description
image	GeoImage<!– ThinkGeo.MapSuite.Core.GeoImage –>	This parameter is the GeoCanvas you want to convert to a native image.

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

Public Properties

ClippingArea

Return Value

Return Type
RectangleShape<!– ThinkGeo.MapSuite.Core.RectangleShape –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

CompositingQuality

This property returns or sets the quality level to use during compositing.

Remarks

This property is used for GDI+ drawing. The excerpt below is from the GDI+ documentation:

Compositing is done during rendering when the source pixels are combined with the destination pixels to produce the resultant pixels. The quality of compositing directly relates to the visual quality of the output and is inversely proportional to the render time. The higher the quality, the slower the render time. This is because the higher the quality level, the more surrounding pixels need to be taken into account during the composite. The linear quality setting (AssumeLinear) compromises by providing better quality than the default quality at a slightly lower speed.

Return Value

Return Type
CompositingQuality<!– System.Drawing.Drawing2D.CompositingQuality –>

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

CurrentScale

This property gets the current scale of the canvas.

Return Value

Return Type
Double<!– System.Double –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

CurrentWorldExtent

This property gets the adjusted current extent based on what was set when BeginDrawing was called.

Remarks

The extent that gets passed in on BeginDrawing is adjusted for the height and width of the physical media being drawn on. For example if the current extent is wider than taller but the bitmap being drawn on is square then the current extent needs to be adjusted. The extent will be adjusted larger so that we ensure that the entire original extent will still be represented.

Return Value

Return Type
RectangleShape<!– ThinkGeo.MapSuite.Core.RectangleShape –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

Dpi

The DPI value for the final drawing result, only valid when HasDpi set to true.

Return Value

Return Type
Single<!– System.Single –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

DrawingQuality

This property returns the drawing quality when rendering on the GeoCanvas.

Remarks

The DrawingQuality specifies whether BaseLineShapes, BasePointShapes, and BaseAreaShapes use anti-aliasing methods or other techniques that control the quality. In some cases you may want a higher quality rendering, and in other cases higher speed is more desirable. It is up to the implementer of the derived GeoCanvas class to control exactly what this setting means.

Return Value

Return Type
DrawingQuality<!– ThinkGeo.MapSuite.Core.DrawingQuality –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

HasKeyColor

This property indicates whether a GdiPlusGeoCanvas has the KeyColor or not. If it has no KeyColor, it will throw an exception when you get or set the value of KeyColors property.

Remarks

The default value is true.

Return Value

Return Type
Boolean<!– System.Boolean –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas(overriden) –> Go Back

Height

This property gets the height of the canvas.

Remarks

This property reflects the height of the canvas image that was passed in on BeginDrawing.

Return Value

Return Type
Single<!– System.Single –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

InterpolationMode

Gets or sets the interpolation mode associated with this System.Drawing.Graphics.

Return Value

Return Type
InterpolationMode<!– System.Drawing.Drawing2D.InterpolationMode –>

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

IsDrawing

This property gets the drawing status of the GeoCanvas.

Remarks

This property is set to true when the BeginDrawing method is called, and false after the EndDrawing method is called.

Return Value

Return Type
Boolean<!– System.Boolean –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

KeyColors

Gets a value represents a collection of key colors. If HasKeyColor property is false, it will throw exception when you use KeyColors.

Remarks

It will make these colors transparent when draw image.

Return Value

Return Type
Collection<GeoColor><!– System.Collections.ObjectModel.Collection{ThinkGeo.MapSuite.Core.GeoColor} –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

MapUnit

This property returns the MapUnit passed in on the BeginDrawingAPI in the GeoCanvas.

Return Value

Return Type
GeographyUnit<!– ThinkGeo.MapSuite.Core.GeographyUnit –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

NativeImage

The same reference to the parameter 'nativeImage' in BeginDrawing function.

Return Value

Return Type
Object<!– System.Object –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

SmoothingMode

This property returns or sets the rendering quality for this GeoCanvas.

Remarks

This property is used for GDI+ drawing. The excerpt below is from the GDI+ documentation:

The smoothing mode specifies whether lines, curves, and the edges of filled areas use smoothing (also called antialiasing). One exception is that path gradient brushes do not obey the smoothing mode. Areas filled using a PathGradientBrush are rendered the same way (aliased) regardless of the SmoothingMode property.

Return Value

Return Type
SmoothingMode<!– System.Drawing.Drawing2D.SmoothingMode –>

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

TextRenderingHint

This property returns or sets the rendering mode for text associated with this GeoCanvas.

Remarks

This property is used for GDI+ drawing. The excerpt below is from the GDI+ documentation:

The text rendering hint specifies whether text renders with antialiasing.

Return Value

Return Type
TextRenderingHint<!– System.Drawing.Text.TextRenderingHint –>

<!– ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas –> Go Back

Width

This property gets the width of the canvas.

Remarks

This property reflects the width of the canvas image that was passed in on BeginDrawing.

Return Value

Return Type
Single<!– System.Single –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

Protected Properties

Public Events

DrawingProgressChanged

Event Arguments

Event Arguments
DrawingProgressChangedEventArgs<!– ThinkGeo.MapSuite.Core.DrawingProgressChangedEventArgs –>

<!– ThinkGeo.MapSuite.Core.GeoCanvas –> Go Back

NOTOC MapSuiteCore ThinkGeo.MapSuite.Core UpdateDocumentation

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Table of Contents

ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas

Remarks

Inheritance Hierarchy

Members Summary

Public Constructors

Protected Constructors

Public Methods

Protected Methods

Public Properties

Protected Properties

Public Events

Public Constructors

GdiPlusGeoCanvas()

Parameters

Protected Constructors

Public Methods

BeginDrawing(Object, RectangleShape, GeographyUnit)

Remarks

Return Value

Parameters

Clear(GeoBrush)

Remarks

Return Value

Parameters

CloneDeep()

Remarks

Return Value

Parameters

ConvertGeoImageToMemoryStream(GeoImage)

Overloads

Remarks

Return Value

Parameters

ConvertGeoImageToMemoryStream(GeoImage, ImageFormat)

Overloads

Remarks

Return Value

Parameters

CreateGeoImage(Int32, Int32)

Remarks

Return Value

Parameters

DrawArea(AreaBaseShape, GeoBrush, DrawingLevel)

Remarks

Return Value

Parameters

DrawArea(Feature, GeoBrush, DrawingLevel)

Remarks

Return Value

Parameters

DrawArea(AreaBaseShape, GeoPen, DrawingLevel)

Remarks

Return Value

Parameters

DrawArea(Feature, GeoPen, DrawingLevel)

Remarks

Return Value

Parameters

DrawArea(Feature, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Remarks

Return Value

Parameters

DrawArea(AreaBaseShape, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Remarks

Return Value

Parameters

DrawArea(IEnumerable<ScreenPointF［］>, GeoPen, GeoBrush, DrawingLevel, Single, Single, PenBrushDrawingOrder)

Remarks

Return Value

Parameters

DrawArea(AreaBaseShape, GeoPen, GeoBrush, DrawingLevel)

Remarks

Return Value

Parameters

DrawArea(Feature, GeoPen, GeoBrush, DrawingLevel)

Remarks