<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MouseInput" Height="300" Width="300"> <Grid> <Ellipse Fill="Blue" x:Name="myEllipse" /> </Grid> </Window> //File:Window.xaml.cs using System; using System.Collections.Generic; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; using System.Diagnostics; namespace WpfApplication1 { public partial class Window1 : System.Windows.Window { public Window1() { InitializeComponent(); } private void StartSlowWork() { Mouse.OverrideCursor = Cursors.AppStarting; } private void SlowWorkCompleted() { Mouse.OverrideCursor = null; } protected override void OnMouseDown(MouseButtonEventArgs e) { base.OnMouseDown(e); if (e.Source != myEllipse) { StartSlowWork(); } } protected override void OnMouseUp(MouseButtonEventArgs e) { base.OnMouseUp(e); SlowWorkCompleted(); } } }