TextBox KeyDown : TextBlock « Windows Presentation Foundation « VB.Net

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VB.Net » Windows Presentation Foundation » TextBlockScreenshots 
TextBox KeyDown
TextBox KeyDown
     


<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="300" Width="300">
    <DockPanel LastChildFill="True">
        <TextBox DockPanel.Dock="Top" KeyDown="TextBox_KeyEvent" />
        <TextBox Name="txtLog" HorizontalAlignment="Stretch" 
                 IsReadOnly="True" VerticalScrollBarVisibility="Visible"/>
    </DockPanel>
</Window>

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

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub TextBox_KeyEvent(sender As Object, e As KeyEventArgs)
      Dim msg As [String[String].Format("{0} - {1}" & vbLf, e.RoutedEvent.Name, e.Key)

      txtLog.Text += msg
      txtLog.ScrollToEnd()
    End Sub
  End Class
End Namespace

   
    
    
    
    
  
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