GotFocus="OnGotFocusHandler" LostFocus="OnLostFocusHandler">Click Or Tab To Give Keyboard Focus GotFocus="OnGotFocusHandler" LostFocus="OnLostFocusHandler">Click Or Tab To Give Keyborad Focus
//File:Window.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Media; using System.Windows.Input; namespace WpfApplication1 { public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void OnGotFocusHandler(object sender, RoutedEventArgs e) { Button tb = e.Source as Button; tb.Background = Brushes.Red; } private void OnLostFocusHandler(object sender, RoutedEventArgs e) { Button tb = e.Source as Button; tb.Background = Brushes.White; } } }