ImageGear .NET v25.1 - Updated
DrawToCanvas(IImGearScrollableView,Canvas,ImGearRenderSettings) Method




ImageGear.Presentation Assembly > ImageGear.Display Namespace > ImGearPresentationPageDisplay Class > DrawToCanvas Method : DrawToCanvas(IImGearScrollableView,Canvas,ImGearRenderSettings) Method
A Scrollable View object that defines image position.
Canvas object in which to draw the image.
Specifies rendering settings, such as scale mode and resolution.
Draws an image in a Canvas. If ImGearPresentationPageDisplay class object contains annotations attached to it, the method optionally draws the annotations as well.
Syntax
'Declaration
 
Public Overloads Sub DrawToCanvas( _
   ByVal pageView As IImGearScrollableView, _
   ByVal canvas As Canvas, _
   ByVal renderSettings As ImGearRenderSettings _
) 
'Usage
 
Dim instance As ImGearPresentationPageDisplay
Dim pageView As IImGearScrollableView
Dim canvas As Canvas
Dim renderSettings As ImGearRenderSettings
 
instance.DrawToCanvas(pageView, canvas, renderSettings)
public void DrawToCanvas( 
   IImGearScrollableView pageView,
   Canvas canvas,
   ImGearRenderSettings renderSettings
)
public: void DrawToCanvas( 
   IImGearScrollableView* pageView,
   Canvas* canvas,
   ImGearRenderSettings* renderSettings
) 
public:
void DrawToCanvas( 
   IImGearScrollableView^ pageView,
   Canvas^ canvas,
   ImGearRenderSettings^ renderSettings
) 

Parameters

pageView
A Scrollable View object that defines image position.
canvas
Canvas object in which to draw the image.
renderSettings
Specifies rendering settings, such as scale mode and resolution.
Remarks

An Image element is created and positioned within the canvas based on the pageView parameter. The method supports passing specific resolution for rendering, or scaling the image with the help of the WPF engine.

When using this method for printing, the application shall explicitly call Measure and Arrange methods of the canvas after calling the DrawToCanvas method and before calling PrintDialog.PrintVisual method or XpsDocumentWriter.Write method.

See Also

Reference

ImGearPresentationPageDisplay Class
ImGearPresentationPageDisplay Members
Overload List
IImGearScrollableView Interface
ImGearRenderSettings Class