<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.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
namespace WpfApplication1
{
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
}
private void OnKeyDownHandler(object sender, KeyEventArgs e)
{
if (e.Key == Key.Return)
{
textBlock1.Text = "You Entered: " + textBox1.Text;
}
}
}
}
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