RenderTargetBitmap Class
.NET Framework 3.0
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
Assembly: PresentationCore (in presentationcore.dll)
XML Namespace: http://schemas.microsoft.com/winfx/2006/xaml/presentation
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
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.Community Additions
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