WPF获取相对位置、坐标的方法
2021-03-30 14:25
标签：需要 tle item cal 代码 action code controls blog 1.获取鼠标在控件中的坐标： 完整例子代码： XAML代码 后台C#代码 运行结果： 2.获取控件相对于两一个控件的坐标： 2.1. 直接使用 control1.TranslatePoint(new Point(), control2) 2.2.获取控件在Window中的坐标 引用：http://www.fengfly.com/plus/view-210427-1.html WPF获取相对位置、坐标的方法 标签：需要 tle item cal 代码 action code controls blog 原文地址：https://www.cnblogs.com/lonelyxmas/p/9278378.html
1 private void item_MouseDown(object sender, MouseButtonEventArgs e)
2 {
3 Point point = e.GetPosition(lbl);
4
5 }
6
7 //或者直接使用Mouse类的静态方法GetPosition(),
8 //需要注意的是参数为IInputElement类型，也就是说要是能输入的控件
9 Point point2 = Mouse.GetPosition(lbl2);
10 lbl2.Content = "(" + point2.X + ", " + point2.Y + ")";
1 Window x:Class="WpfGetPointDemo.MainWindow"
2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
4 Title="MainWindow" Height="350" Width="525">
5 Grid x:Name="grid" MouseDown="item_MouseDown">
6 Label Background="Red" x:Name="lbl" Margin="293.855,59.398,66.145,77.319"/>
7 Label Background="GreenYellow" x:Name="lbl2" Margin="29.488,59.398,327.512,69.969"/>
8 Label Background="blue" x:Name="lbl3" HorizontalAlignment="Left" Margin="133.048,268.187,0,0" VerticalAlignment="Top" Width="250.952" Height="51.813"/>
9 Button x:Name="btn" HorizontalAlignment="Left" Margin="177.325,10,0,0" VerticalAlignment="Top" Width="135.09" RenderTransformOrigin="0.012,0.547" Height="43.252"/>
10 Grid>
11 Window>
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Windows;
6 using System.Windows.Controls;
7 using System.Windows.Data;
8 using System.Windows.Documents;
9 using System.Windows.Input;
10 using System.Windows.Media;
11 using System.Windows.Media.Imaging;
12 using System.Windows.Navigation;
13 using System.Windows.Shapes;
14
15 namespace WpfGetPointDemo
16 {
17 /// summary>
18 /// Interaction logic for MainWindow.xaml
19 /// summary>
20 public partial class MainWindow : Window
21 {
22 public MainWindow()
23 {
24 InitializeComponent();
25 }
26
27 private void item_MouseDown(object sender, MouseButtonEventArgs e)
28 {
29 Point point = e.GetPosition(lbl);
30 lbl.Content = "("+point.X+", "+point.Y+")";
31
32 Point point2 = Mouse.GetPosition(lbl2);
33 lbl2.Content = "(" + point2.X + ", " + point2.Y + ")";
34
35 Point point3 = Mouse.GetPosition(grid);
36 lbl3.Content = "(" + point3.X + ", " + point3.Y + ")";
37
38 Point point4 = Mouse.GetPosition(btn);
39 btn.Content = "(" + point4.X + ", " + point4.Y + ")";
40 }
41 }
42 }
1 Point point = rectangle.TranslatePoint(new Point(),canvas);
2
1 Window window = Window.GetWindow(canvas);
2 Point point = canvas.TransformToAncestor(window).Transform(new Point(0, 0));