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Categories / C# / WPF
 

Use Ellipse AddHandler to add handler to Ellipse objects

<Window x:Class="WpfApplication1.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="AddHandler" 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>             </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 Window1 : System.Windows.Window     {         public Window1()         {             InitializeComponent();             myEllipse.AddHandler(Ellipse.MouseDownEvent,new MouseButtonEventHandler(MouseDownEllipse));             myEllipse.AddHandler(Ellipse.PreviewMouseDownEvent,new MouseButtonEventHandler(PreviewMouseDownEllipse));         }                 void PreviewMouseDownEllipse(object sender, RoutedEventArgs e){              Debug.WriteLine("PreviewMouseDownEllipse");          }         void MouseDownEllipse(object sender, RoutedEventArgs e){              Debug.WriteLine("MouseDownEllipse");          }     } }