On Key Down Handler : Key Event « Windows Presentation Foundation « VB.Net






On Key Down Handler

On Key Down Handler
    


<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="KeyDown Sample" Height="400" Width="500">
  <StackPanel>
    <TextBlock Width="300" Height="20">
      Type some text into the TextBox and press the Enter key.
    </TextBlock>
    <TextBox Width="300" Height="30" Name="textBox1"
             KeyDown="OnKeyDownHandler"/>
    <TextBlock Width="300" Height="100" Name="textBlock1"/>
  </StackPanel>
</Window>

//File:Window.xaml.vb

Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Input


Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window

    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub OnKeyDownHandler(sender As Object, e As KeyEventArgs)
      If e.Key = Key.[Return] Then
        textBlock1.Text = "You Entered: " + textBox1.Text
      End If
    End Sub
  End Class
End Namespace

   
    
    
    
  








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