TextBox KeyDown : TextBox « Windows Presentation Foundation « C# / C Sharp

1. C# / C Sharp
2. Windows Presentation Foundation
3. TextBox

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.cs
using System;
using System.Windows;
using System.Windows.Input;

namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }

        private void TextBox_KeyEvent(object sender, KeyEventArgs e)
        {
            String msg = String.Format("{0} - {1}\n",e.RoutedEvent.Name, e.Key);

            txtLog.Text += msg;
            txtLog.ScrollToEnd();
        }
    }
}

   
    
  

Related examples in the same category

1.	TextBox Style
2.	Bind TextBlock to TextBox
3.	TextBox focus listener
4.	TextBox with custom ErrorTemplate and ToolTip
5.	TextBox uses the ExceptionValidationRule and UpdateSourceExceptionFilter handler
6.	TextBox with UpdateSourceExceptionFilter handler
7.	TextBox with default ErrorTemplate
8.	TextBox MouseLeftButtonDown action and PreviewMouseLeftButtonDown action
9.	Assign your own class to DataContent and bind to TextBox
10.	Listen to TextBox text changed event
11.	Handler for the PreviewKeyDown event on the TextBox
12.	TextBox: set text, select all, clear, prepend, insert, append, cut, paste, undo
13.	Set TextBox to editable
14.	TextBox text changed event
15.	TextBox PreviewKeyDown
16.	TextBox PreviewKeyUp
17.	TextBox KeyUp
18.	TextBox TextInput
19.	TextBox PreviewTextInput
20.	Scroll TextBox
21.	TextBox TextChanged event
22.	Use Dictionary to record which textbox has been changed and not saved
23.	Set TextBox ContextMenu to null
24.	TextBox Selection start, end and selected text
25.	Scrollable TextBox Column
26.	TextBox PreviewKeyDown, PreviewKeyUp, PreviewTextInput, KeyDown, KeyUp and TextChanged events
27.	Check Spelling Error