ImageGear21.Presentation Assembly > ImageGear.Display Namespace > ImGearPresentationPageDisplay Class > DrawToCanvas Method : DrawToCanvas(Canvas,ImGearRenderSettings) Method |
'Declaration Public Overloads Sub DrawToCanvas( _ ByVal canvas As Canvas, _ ByVal renderSettings As ImGearRenderSettings _ )
'Usage Dim instance As ImGearPresentationPageDisplay Dim canvas As Canvas Dim renderSettings As ImGearRenderSettings instance.DrawToCanvas(canvas, renderSettings)
public void DrawToCanvas( Canvas canvas, ImGearRenderSettings renderSettings )
public: void DrawToCanvas( Canvas* canvas, ImGearRenderSettings* renderSettings )
public: void DrawToCanvas( Canvas^ canvas, ImGearRenderSettings^ renderSettings )
An Image element is created within the canvas based on the display settings. The application shall set Width and Height properties of the Canvas before calling this method. The method supports passing specific resolution for rendering, or scaling the image with the help of the WPF engine. If ImGearPresentationPageDisplay class object contains annotations attached to it, the method optionally draws the annotations as well.
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.