DrawingContext Class

Article
10/15/2012

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Provides constructors, methods, and properties you can use to generate a drawing surface and create images on that surface.

Inheritance Hierarchy

System. . :: . .Object
Microsoft.SPOT. . :: . .DispatcherObject
Microsoft.SPOT.Presentation.Media..::..DrawingContext

Namespace: Microsoft.SPOT.Presentation.Media
Assembly: Microsoft.SPOT.TinyCore (in Microsoft.SPOT.TinyCore.dll)

Syntax

'Declaration
Public Class DrawingContext _
    Inherits DispatcherObject _
    Implements IDisposable

public class DrawingContext : DispatcherObject, 
    IDisposable

public ref class DrawingContext : public DispatcherObject, 
    IDisposable

type DrawingContext =  
    class
        inherit DispatcherObject
        interface IDisposable
    end

public class DrawingContext extends DispatcherObject implements IDisposable

The DrawingContext type exposes the following members.

Constructors

	Name	Description
	DrawingContext(Bitmap)	Initializes a new instance of the DrawingContext class that uses a specified bitmapped image as the background on its drawing surface.
	DrawingContext(Int32, Int32)	Initializes a new instance of the DrawingContext class with a drawing surface of a specified size.

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Properties

	Name	Description
	Bitmap	Gets the bitmapped image that the current DrawingContext object uses as its drawing surface.
	Height	Gets the height of the current DrawingContext object's drawing surface.
	Width	Gets the width of the current DrawingContext object's drawing surface.

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Methods

	Name	Description
	BlendImage	Overlays a specified bitmapped image on an image that already exists on the drawing surface, and displays the resulting overlayed image at a specified location (position) on the drawing surface.
	CheckAccess	Determines whether the calling thread has access to the current DispatcherObject object. (Inherited from DispatcherObject.)
	Clear	Clears the drawing surface.
	Dispose() () () ()	Releases all resources used by the DrawingContext.
	Dispose(Boolean)	Releases the unmanaged resources used by the DrawingContext and optionally releases the managed resources.
	DrawEllipse	Draws an ellipse on the drawing surface.
	DrawImage(Bitmap, Int32, Int32)	Displays an uncropped, bitmapped image on the drawing surface.
	DrawImage(Bitmap, Int32, Int32, Int32, Int32, Int32, Int32)	Displays a cropped, bitmapped image on the drawing surface.
	DrawLine	Draws a line on the drawing surface.
	DrawPolygon	Draws a polygon on the drawing surface.
	DrawRectangle	Draws a rectangle on the drawing surface.
	DrawText(String, Font, Color, Int32, Int32)	Draws specified text on the drawing surface, beginning at a specified location (position).
	DrawText(String%, Font, Color, Int32, Int32, Int32, Int32, TextAlignment, TextTrimming)	Draws specified text within a bounding rectangular region on the drawing surface.
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetClippingRectangle	Retrieves the clipping rectangle of the current drawing context.
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetTranslation	Retrieves the translation of the current drawing context.
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	PopClippingRectangle	Pops the clipping rectangle that was most recently pushed onto the current drawing context.
	PushClippingRectangle	Pushes the specified clipping rectangle onto the current drawing context.
	RotateImage	Rotates the image.
	Scale9Image	Scales an image.
	SetPixel	Sets a single pixel to a color.
	StretchImage	Draws a rectangular block of pixels on the display device, stretching or shrinking the rectangular area as necessary.
	TileImage	Tiles an image.
	ToString	Returns a string that represents the current object. (Inherited from Object.)
	Translate	Translates (moves) the most recently drawn image by the specified amount on the drawing surface.
	VerifyAccess	Determines whether the calling thread has access to the current DispatcherObject object. (Inherited from DispatcherObject.)

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Fields

	Name	Description
	Dispatcher	Contains the Dispatcher object that the current DispatcherObject object is associated with. (Inherited from DispatcherObject.)

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Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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