Print Visual(Canvas) : Canvas « Windows Presentation Foundation « VB.Net

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VB.Net » Windows Presentation Foundation » CanvasScreenshots 
Print Visual(Canvas)
Print Visual(Canvas)
     
<Window x:Class="Printing.PrintVisual"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="PrintVisual" Height="259" Width="282">
    <StackPanel>
      <Canvas Name="canvas">
        <TextBlock Canvas.Top="50" Canvas.Left="20" FontSize="25" FontWeight="Bold">Hello There</TextBlock>

        <Path Fill="Yellow" Stroke="Blue" Margin="5" Canvas.Top="10" Canvas.Left="10" >
          <Path.Data>
            <GeometryGroup>
              <RectangleGeometry Rect="0 0 100 100"></RectangleGeometry>
              <EllipseGeometry Center="50 50" RadiusX="35" RadiusY="25"></EllipseGeometry>
            </GeometryGroup>
          </Path.Data>
        </Path>
      </Canvas>
      <Button Grid.Row="3" Click="cmdPrint_Click">Print</Button>
    </StackPanel>
</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 Printing
  Public Partial Class PrintVisual
    Inherits System.Windows.Window

    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub cmdPrint_Click(sender As Object, e As RoutedEventArgs)
      Dim printDialog As New PrintDialog()

      If printDialog.ShowDialog() = True Then
        Dim zoom As Double = 30

        canvas.Background = Brushes.LightSteelBlue

        canvas.LayoutTransform = New ScaleTransform(zoom / 100, zoom / 100)

        Dim pageSize As New Size(printDialog.PrintableAreaWidth - 20, printDialog.PrintableAreaHeight - 20)

        canvas.Measure(pageSize)
        canvas.Arrange(New Rect(1010, pageSize.Width, pageSize.Height))

        printDialog.PrintVisual(canvas, "A Scaled Drawing")

        canvas.Background = Nothing
        canvas.LayoutTransform = Nothing
      End If
    End Sub
  End Class
End Namespace

   
    
    
    
    
  
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