<Grid xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/interactivedesigner/2006" mc:Ignorable="d" Background="#FFFFFFFF" x:Name="DocumentRoot" x:Class="InputExamples.EventHandling" Width="640" Height="480"> <Grid.Resources> <Storyboard x:Key="OnLoaded"/> </Grid.Resources> <Grid.ColumnDefinitions> <ColumnDefinition/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition/> </Grid.RowDefinitions> <Button HorizontalAlignment="Left" VerticalAlignment="Top" Width="106" Height="28" x:Name="ClickButton1" Content="Click Me!" Click="ClickHandler" PreviewMouseUp="ButtonMouseUpHandler"/> <Button d:LayoutOverrides="Width, Height" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="20" Width="106" Height="28" x:Name="ClickButton2" Content="Click Me!" Click="ClickHandler" PreviewMouseUp="ButtonMouseUpHandler"/> </Grid> //File:Window.xaml.cs using System; using System.IO; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Navigation; namespace InputExamples { public partial class EventHandling { public EventHandling() { this.InitializeComponent(); } private void ClickHandler(object sender, RoutedEventArgs e) { Button clicked = e.Source as Button; MessageBox.Show(String.Format("{0} was clicked!", clicked.Name)); } private void ButtonMouseUpHandler(object sender, MouseButtonEventArgs e) { Button clicked = sender as Button; clicked.Content = String.Format("{0} clicked", clicked.Name); } } }