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

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

1.	Creating a KeyBinding between the Open command and Ctrl-R
2.	Command Handler Key Binding
3.	Use Keyboard.Focus to set the focus to a Text Field
4.	Provide Quick Keyboard Access to Buttons
5.	Reading keyboard modifiers
6.	Reading individual key state with Keyboard.IsKeyDown
7.	Use InputBinding to bind Application commends to Key events
8.	Suppress Keyboard and Mouse Events
9.	Query Left / Right control key
10.	Is Key.CapsLock Toggled
11.	Keyboard.IsKeyToggled
12.	Query Number lock key
13.	Use KeyBinding to bind Key event to TextBox.InputBindings
14.	Custom Command by KeyGesture and RoutedUICommand
15.	TextBox PreviewKeyDown, PreviewKeyUp, PreviewTextInput, KeyDown, KeyUp and TextChanged events
16.	StackPanel PreviewTextInput and PreviewKeyDown
17.	If input is not a number do not handle the key event
18.	RoutedEvents: Tunneled Key Press

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

Related examples in the same category