Canvas PreviewMouseDown action and MouseDown action

    
<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="AddHandler" Height="300" Width="300">
  <Grid HorizontalAlignment="Center" VerticalAlignment="Center">
    <Button>

      <Grid>
        <Grid.ColumnDefinitions>
          <ColumnDefinition />
          <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <Canvas PreviewMouseDown="PreviewMouseDownCanvas" MouseDown="MouseDownCanvas"
                Width="20" Height="18" VerticalAlignment="Center">

          <Ellipse x:Name="myEllipse" Canvas.Left="1" Canvas.Top="1" Width="16" Height="16"
                   Fill="Yellow" Stroke="Black" />
        </Canvas>

      </Grid>
    </Button>
  </Grid>
</Window>

//File:Window.xaml.vb

Imports System
Imports System.Windows
Imports System.Diagnostics
Imports System.Windows.Shapes
Imports System.Windows.Input

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits System.Windows.Window
    Public Sub New()

      InitializeComponent()
    End Sub

    Private Sub PreviewMouseDownCanvas(sender As Object, e As RoutedEventArgs)
      Debug.WriteLine("PreviewMouseDownCanvas")
    End Sub

    Private Sub MouseDownCanvas(sender As Object, e As RoutedEventArgs)
      Debug.WriteLine("MouseDownCanvas")
    End Sub
  End Class
End Namespace

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Canvas PreviewMouseDown action and MouseDown action : Canvas « Windows Presentation Foundation « VB.Net

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