Grid MouseLeftButtonDown action and PreviewMouseLeftButtonDown action : Grid Events « Windows Presentation Foundation « C# / CSharp Tutorial






<Window x:Class="TunnelingBubbling.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TunnelingBubbling">
  
    <Grid MouseLeftButtonDown="MouseDownGrid"
          PreviewMouseLeftButtonDown="PreviewMouseDownGrid"
      Width="300" Height="300">

    <Button PreviewMouseLeftButtonDown="PreviewMouseDownButton"
      MouseLeftButtonDown="MouseDownButton"
      Click="MyClickEvent"
      Name="btnGo">

      <TextBox MouseLeftButtonDown="MouseLeftButtonDown"
        PreviewMouseLeftButtonDown="PreviewMouseLeftButtonDown"
        Width="200" Height="30" Name="textBox1">
      </TextBox>
    </Button>
  </Grid>  
</Window>
//File:Window.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Diagnostics;

namespace TunnelingBubbling
{
    public partial class Window1 : System.Windows.Window
    {

        public Window1()
        {
            InitializeComponent();
        }

        private void PreviewMouseDownGrid(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("PreviewMouseDownGrid");
        }

        private void PreviewMouseDownButton(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("PreviewMouseDownButton");
        }

        private void PreviewMouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("PreviewMouseLeftButtonDown");
        }

        private void MyClickEvent(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MyClickEvent");
        }

        private void MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MouseLeftButtonDown");
        }

        private void MouseDownButton(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MouseDownButton");
        }

        private void MouseDownGrid(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MouseDownGrid");
        }

    }
}
WPF Grid Mouse Left Button Down Action And Preview Mouse Left Button Down Action








24.44.Grid Events
24.44.1.Grid mouse down eventGrid mouse down event
24.44.2.Grid Preview mouse down eventGrid Preview mouse down event
24.44.3.Grid PreviewMouseDown action and MouseDown actionGrid PreviewMouseDown action and MouseDown action
24.44.4.Grid MouseLeftButtonDown action and PreviewMouseLeftButtonDown actionGrid MouseLeftButtonDown action and PreviewMouseLeftButtonDown action