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

1. VB.Net Tutorial
2. Windows Presentation Foundation
3. RoutedCommand

<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

16.92.RoutedCommand
	16.92.1.	Create a custom RoutedCommand, the CommandBinding objects, and the KeyBinding objects in code.
	16.92.2.	Convert RoutedEventArgs.OriginalSource to event sender
	16.92.3.	RoutedEvents: Button Mouse Up Event
	16.92.4.	RoutedEvents: Drag And Drop
	16.92.5.	RoutedEvents: Focus event
	16.92.6.	RoutedEvents: Key Modifiers
	16.92.7.	RoutedEvents: Key Press Events
	16.92.8.	RoutedEvents: Mouse Position
	16.92.9.	Bubble routed events, and write an event handler for a routed event.
	16.92.10.	Get RoutedEvent Name
	16.92.11.	Create RoutedCommand from InputGestureCollection
	16.92.12.	RoutedEvents Only Numbers
	16.92.13.	Routed Event Demo