WPF VB.Net

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    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WPF" Height="200" Width="200">
    
                        Name="button1" Width="75">Button One
                        Name="button2" Width="75">Button Two
                        Name="button3" Width="75">Button Three
    

//File:Window.xaml.vb
Imports System.Windows
Imports System.Windows.Controls
Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub SharedButtonClickHandler(sender As Object, e As RoutedEventArgs)
      Dim source As Button = TryCast(e.OriginalSource, Button)
      If source IsNot Nothing Then
        MessageBox.Show("You pressed " & source.Name, Title)
      End If
    End Sub
  End Class
End Namespace