Convert RoutedEventArgs.OriginalSource to event sender : RoutedCommand « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » RoutedCommand 
16.92.2.Convert RoutedEventArgs.OriginalSource to event sender
<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WPF" Height="200" Width="200">
    <StackPanel>
        <Button Click="SharedButtonClickHandler" Height="23" Margin="10" 
                Name="button1" Width="75">Button One</Button>
        <Button Click="SharedButtonClickHandler" Height="23" Margin="10" 
                Name="button2" Width="75">Button Two</Button>
        <Button Click="SharedButtonClickHandler" Height="23" Margin="10" 
                Name="button3" Width="75">Button Three</Button>
    </StackPanel>
</Window>
//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
WPF Convert Routed Event Args Original Source To Event Sender
16.92.RoutedCommand
16.92.1.Create a custom RoutedCommand, the CommandBinding objects, and the KeyBinding objects in code.Create a custom RoutedCommand, the CommandBinding objects, and the KeyBinding objects in code.
16.92.2.Convert RoutedEventArgs.OriginalSource to event senderConvert RoutedEventArgs.OriginalSource to event sender
16.92.3.RoutedEvents: Button Mouse Up EventRoutedEvents: Button Mouse Up Event
16.92.4.RoutedEvents: Drag And DropRoutedEvents: Drag And Drop
16.92.5.RoutedEvents: Focus eventRoutedEvents: Focus event
16.92.6.RoutedEvents: Key ModifiersRoutedEvents: Key Modifiers
16.92.7.RoutedEvents: Key Press EventsRoutedEvents: Key Press Events
16.92.8.RoutedEvents: Mouse PositionRoutedEvents: Mouse Position
16.92.9.Bubble routed events, and write an event handler for a routed event.Bubble routed events, and write an event handler for a routed event.
16.92.10.Get RoutedEvent NameGet RoutedEvent Name
16.92.11.Create RoutedCommand from InputGestureCollectionCreate RoutedCommand from InputGestureCollection
16.92.12.RoutedEvents Only NumbersRoutedEvents Only Numbers
16.92.13.Routed Event DemoRouted Event Demo
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