Use Render Target Bitmap : Image « Windows Presentation Foundation « VB.Net






Use Render Target Bitmap

Use Render Target Bitmap
      
<Window x:Class="BitmapProgramming.UseRenderTargetBitmap"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BitmapProgramming" Height="300" Width="300">
  <Image x:Name="imageElement" />
</Window>

//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes

Namespace BitmapProgramming
  Public Partial Class UseRenderTargetBitmap
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
      ' Dimensions in physical pixels
      ' Pixel resolution (dpi)
      Dim bmp As New RenderTargetBitmap(300, 150, 300, 300, PixelFormats.Pbgra32)

      Dim e As New Ellipse()
      e.Fill = Brushes.Red
      e.Measure(New Size(96, 48))
      e.Arrange(New Rect(0, 0, 96, 48))

      bmp.Render(e)
      imageElement.Source = bmp
    End Sub
  End Class
End Namespace

   
    
    
    
    
    
  








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