鼠标事件
MouseEnter鼠标指针移动到该元素上时 MouseLeave鼠标指针离开该元素时 MouseEnter、MouseLeave都是直接事件，不会发生冒泡。 PreviewMouseLeftButtonDown按下鼠标左键 PreviewMouseRightButtonDown按下鼠标右键 PreviewMouseRightButtonDown释放鼠标右键
下面针对鼠标移动事件，实时输出鼠标位置的坐标。 XAML
代码语言：javascript复制<Window x:Class="MouseEvent.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="446" Width="389">
<Grid Margin="5">
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
</Grid.RowDefinitions>
<Rectangle Name="rect" Fill="LightBlue" MouseMove="Rectangle_MouseMove"></Rectangle>
<Button Name="capture" Grid.Row="1" Click="Button_Click">Capture the Mouse</Button>
<TextBlock Name="textBlock" Grid.Row="2"></TextBlock>
</Grid>
</Window>逻辑代码
代码语言：javascript复制using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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.Navigation;
using System.Windows.Shapes;
namespace MouseEvent
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void Rectangle_MouseMove(object sender, MouseEventArgs e)
{
Point pt = e.GetPosition(this);
this.textBlock.Text = ("You are at (" pt.X "," pt.Y ") in window coordinates");
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Mouse.Capture(this.rect);
this.capture.Content = "Mouse is now captured ...";
}
}
}效果图，红点为点击的位置.
这里写图片描述
