winform 获取鼠标的位置

本文提供了一个简单的示例,展示了如何使用C#编程语言来获取并实时更新鼠标指针的位置坐标。通过两个方法实现:一是构造函数初始化界面并设置初始坐标;二是通过MouseMove事件更新坐标显示。

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        public Form1()
        {
            InitializeComponent();
            this.label1.Text = Cursor.Position.X.ToString();
            this.label2.Text = Cursor.Position.Y.ToString();
        }
        private void label1_MouseMove(object sender, MouseEventArgs e)
        {
            this.label1.Text = e.X.ToString();
            this.label2.Text = e.Y.ToString();
        }
        public Form1()
        {
            InitializeComponent();
            this.label1.Text = Cursor.Position.X.ToString();
            this.label2.Text = Cursor.Position.Y.ToString();
        }
        private void label1_MouseMove(object sender, MouseEventArgs e)
        {
            this.label1.Text = e.X.ToString();
            this.label2.Text = e.Y.ToString();
        }
Microsoft Visual Studio 2010做的C#实时监控鼠标位置和左键点击时的位置实例,主要代码: public class MouseHook { private Point point; private Point Point { get { return point; } set { if (point != value) { point = value; if (MouseMoveEvent != null) { var e = new MouseEventArgs(MouseButtons.None, 0, point.X, point.Y, 0); MouseMoveEvent(this, e); } } } } private int hHook; private const int WM_LBUTTONDOWN = 0x201; public const int WH_MOUSE_LL = 14; public Win32Api.HookProc hProc; public MouseHook() { this.Point = new Point(); } public int SetHook() { hProc = new Win32Api.HookProc(MouseHookProc); hHook = Win32Api.SetWindowsHookEx(WH_MOUSE_LL, hProc, IntPtr.Zero, 0); return hHook; } public void UnHook() { Win32Api.UnhookWindowsHookEx(hHook); } private int MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam) { Win32Api.MouseHookStruct MyMouseHookStruct = (Win32Api.MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(Win32Api.MouseHookStruct)); if (nCode < 0) { return Win32Api.CallNextHookEx(hHook, nCode, wParam, lParam); } else { if (MouseClickEvent != null) { MouseButtons button = MouseButtons.None; int clickCount = 0; switch ((Int32)wParam) { case WM_LBUTTONDOWN: button = MouseButtons.Left; clickCount = 1; break; } var e = new MouseEventArgs(button, clickCount, point.X, point.Y, 0); MouseClickEvent(this, e); } this.Point = new Point(MyMouseHookStruct.pt.x, MyMouseHookStruct.pt.y); return Win32Api.CallNextHookEx(hHook, nCode, wParam, lParam); } } public delegate void MouseMoveHandler(object sender, MouseEventArgs e); public event MouseMoveHandler MouseMoveEvent; public delegate void MouseClickHandler(object sender, MouseEventArgs e); public event MouseClickHandler MouseClickEvent; }
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