Cast event sender to a control : Event « Windows Presentation Foundation « VB.Net

1. VB.Net
2. Windows Presentation Foundation
3. Event

Cast event sender to a control

     
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="WpfApplication1.IncludeApplicationDefinition.MyWindow"
        Title="Include Application Definition" 
        SizeToContent="WidthAndHeight" 
        ResizeMode="CanMinimize">
    <Button HorizontalAlignment="Center" VerticalAlignment="Center" Margin="1.5in" Click="ButtonOnClick">
        Click
    </Button>
</Window>

//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Input

Namespace WpfApplication1.IncludeApplicationDefinition
  Public Partial Class MyWindow
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub ButtonOnClick(sender As Object, args As RoutedEventArgs)
      Dim btn As Button = TryCast(sender, Button)
      MessageBox.Show(Convert.ToString(btn.Content) & "' has been clicked.")
    End Sub
  End Class
End Namespace

   
    
    
    
    
  

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