RenderTargetBitmap Class

Used to convert a Visual object into a bitmap.

Namespace: System.Windows.Media.Imaging
Assembly: PresentationCore (in presentationcore.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

'Declaration
Public NotInheritable Class RenderTargetBitmap
	Inherits BitmapSource
'Usage
Dim instance As RenderTargetBitmap

public final class RenderTargetBitmap extends BitmapSource
public final class RenderTargetBitmap extends BitmapSource
You cannot use this managed class in XAML.

The following example shows how to use RenderTargetBitmap to render text as an image.

Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Globalization

Namespace SDKSample

    Class RenderTargetBitmapExample
        Inherits Page

        Public Sub New()

            Dim myImage As New Image()
            Dim [text] As New FormattedText("ABC", New CultureInfo("en-us"), System.Windows.FlowDirection.LeftToRight, New Typeface(Me.FontFamily, FontStyles.Normal, FontWeights.Normal, New FontStretch()), Me.FontSize, Me.Foreground)

            Dim drawingVisual As New DrawingVisual()
            Dim drawingContext As DrawingContext = drawingVisual.RenderOpen()
            drawingContext.DrawText([text], New System.Windows.Point(2, 2))
            drawingContext.Close()

            Dim bmp As New RenderTargetBitmap(180, 180, 120, 96, PixelFormats.Pbgra32)
            bmp.Render(drawingVisual)
            myImage.Source = bmp
            ' Add Image to the UI
            Dim myStackPanel As New StackPanel()
            myStackPanel.Children.Add(myImage)
            Me.Content = myStackPanel

        End Sub 'New
    End Class 'RenderTargetBitmapExample
End Namespace 'ImagingSnippetGallery


System.Object
   System.Windows.Threading.DispatcherObject
     System.Windows.DependencyObject
       System.Windows.Freezable
         System.Windows.Media.Animation.Animatable
           System.Windows.Media.ImageSource
             System.Windows.Media.Imaging.BitmapSource
              System.Windows.Media.Imaging.RenderTargetBitmap

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

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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