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Categories / C# / WPF

 

Use Ellipse event delegate

<Window x:Class="WpfApplication1.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="Code Events" Height="300" Width="300">   <Grid HorizontalAlignment="Center" VerticalAlignment="Center">     <Button>       <Grid>         <Grid.ColumnDefinitions>           <ColumnDefinition />           <ColumnDefinition />         </Grid.ColumnDefinitions>         <Canvas Width="20" Height="18" VerticalAlignment="Center">           <Ellipse x:Name="myEllipse"                    Canvas.Left="1" Canvas.Top="1" Width="16" Height="16"                    Fill="Yellow" Stroke="Black" />         </Canvas>         <TextBlock Grid.Column="1">Click!</TextBlock>       </Grid>     </Button>   </Grid> </Window> //File:Window.xaml.cs using System; using System.Windows; using System.Diagnostics; namespace WpfApplication1 {     public partial class Window1 : System.Windows.Window     {         public Window1()         {             InitializeComponent();             myEllipse.MouseDown += MouseDownEllipse;             myEllipse.PreviewMouseDown += PreviewMouseDownEllipse;         }         void PreviewMouseDownEllipse(object sender, RoutedEventArgs e)         { Debug.WriteLine("PreviewMouseDownButton"); }         void MouseDownEllipse(object sender, RoutedEventArgs e)         { Debug.WriteLine("MouseDownButton"); }             } }