This post originated from an RSS feed registered with .NET Buzz by -. Original Post: WPF: Oberstes Element bei Mausklick mittels HitTest feststellen Feed Title: Norbert Eder - Living .NET Feed URL: http://feeds.feedburner.com/NorbertEder-Livingnet Feed Description: Copyright (c)2005, 2006 by Norbert Eder Latest .NET Buzz Posts Latest .NET Buzz Posts by - Latest Posts From Norbert Eder - Living .NET

<Window x:Class="HitTestDemo.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="HitTestDemo" Height="300" Width="300">
    <Grid>
        <Canvas 
            x:Name="BaseCanvas" 
            Background="LightYellow">
            <Canvas 
                x:Name="Canvas1" 
                Canvas.Left="50" 
                Canvas.Top="50" 
                Background="Blue" 
                Width="50" 
                Height="50"/>
            <Canvas 
                x:Name="Canvas2" 
                Canvas.Left="200" 
                Canvas.Top="200" 
                Background="Red" 
                Width="50" 
                Height="50"/>
            <Canvas 
                x:Name="Canvas3" 
                Canvas.Left="40" 
                Canvas.Top="75" 
                Background="Black" 
                Width="50" 
                Height="50"/>
        </Canvas>
    </Grid>
</Window>

using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;

namespace HitTestDemo
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();

            BaseCanvas.MouseDown += 
                new MouseButtonEventHandler(BaseCanvas_MouseDown);
        }

        private void BaseCanvas_MouseDown(
            object sender, MouseButtonEventArgs e)
        {
            HitTestResult htr = 
                VisualTreeHelper.HitTest(this, e.GetPosition(this));
            MessageBox.Show("Clicked item: " + 
                ((Canvas)htr.VisualHit).Name);
        }
    }
}