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"); 
        }
    }
}

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Use Ellipse.AddHandler to add handler to Ellipse objects : Event « Windows Presentation Foundation « C# / C Sharp

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