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Use Mouse PreviewMouseDown Mouse MouseDown Attribute from Grid element

<Window x:Class="WpfApplication1.AttachedEvents"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="Event Examples" Height="300" Width="300">   <Grid HorizontalAlignment="Center" VerticalAlignment="Center">     <Button>       <Grid Mouse.PreviewMouseDown="PreviewMouseDownGrid" Mouse.MouseDown="MouseDownGrid">         <Grid.ColumnDefinitions>           <ColumnDefinition />           <ColumnDefinition />         </Grid.ColumnDefinitions>           <Ellipse x:Name="myEllipse" Canvas.Left="1" Canvas.Top="1" Width="16" Height="16" Fill="Yellow" Stroke="Black" />           <Ellipse Canvas.Left="4.5" Canvas.Top="5" Width="2.5" Height="3" Fill="Black" />           <Ellipse Canvas.Left="11" Canvas.Top="5" Width="2.5" Height="3" Fill="Black" />           <Path Data="M 5,10 A 3,3 0 0 0 13,10" Stroke="Black" />              <TextBlock Grid.Column="1">Click!</TextBlock>       </Grid>     </Button>   </Grid> </Window> //File:Window.xaml.cs using System; using System.Windows; using System.Diagnostics; using System.Windows.Shapes; using System.Windows.Input; namespace WpfApplication1 {     public partial class AttachedEvents : System.Windows.Window     {         public AttachedEvents()         {             InitializeComponent();         }         void PreviewMouseDownGrid(           object sender, RoutedEventArgs e)         { Debug.WriteLine("PreviewMouseDownGrid"); }         void MouseDownGrid(object sender, RoutedEventArgs e)         { Debug.WriteLine("MouseDownGrid"); }     } }