全局钩子定义

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;namespace WindowsFormsApp1
{public static class GlobalMousePosition{#region 获取鼠标当前位置public const int WH_MOUSE_LL = 14;public enum MouseMessages{WM_MOUSEMOVE = 0x0200}public delegate int LowLevelMouseProc(int nCode, IntPtr wParam, IntPtr lParam);[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]public static extern IntPtr SetWindowsHookEx(int idHook, LowLevelMouseProc lpfn, IntPtr hMod, uint dwThreadId);[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)][return: MarshalAs(UnmanagedType.Bool)]public static extern bool UnhookWindowsHookEx(IntPtr hhk);[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]public static extern int CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]public static extern IntPtr GetModuleHandle(string lpModuleName);#endregion#region 点击事件[DllImport("user32.dll")]static extern bool SetCursorPos(int x, int y);[DllImport("user32.dll")]public static extern void mouse_event(uint dwFlags, int dx, int dy, uint dwData, int dwExtraInfo);// 模拟鼠标点击一次public static void SimulateMouseClick(int x, int y){SetCursorPos(x, y);Thread.Sleep(100);  // 等待 100 毫秒，确保鼠标移动到指定位置// 模拟鼠标按下和释放操作（模拟点击）mouse_event(0x0002, x, y, 0, 0);  // 鼠标左键按下mouse_event(0x0004, x, y, 0, 0);  // 鼠标左键释放}#endregion}
}

winfrom窗体代码:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Net.Mime.MediaTypeNames;
using static WindowsFormsApp1.GlobalMousePosition;namespace WindowsFormsApp1
{public partial class Form1 : Form{private LowLevelMouseProc mouseProc;private IntPtr mouseHookId = IntPtr.Zero;public Form1(){InitializeComponent();this.TopMost = true;}protected override void OnLoad(EventArgs e){base.OnLoad(e);// 注册全局鼠标钩子mouseProc = HookCallback;using (Process curProcess = Process.GetCurrentProcess())using (ProcessModule curModule = curProcess.MainModule){mouseHookId = SetWindowsHookEx(WH_MOUSE_LL, mouseProc, GetModuleHandle(curModule.ModuleName), 0);}}protected override void OnFormClosing(FormClosingEventArgs e){base.OnFormClosing(e);// 取消注册全局鼠标钩子UnhookWindowsHookEx(mouseHookId);}private int HookCallback(int nCode, IntPtr wParam, IntPtr lParam){if (nCode >= 0 && MouseMessages.WM_MOUSEMOVE == (MouseMessages)wParam){// 获取鼠标位置Point mousePosition = Cursor.Position;// 更新你的全局记录逻辑，比如将当前鼠标位置保存到全局变量或日志中// ...labelMousePosition.Text = string.Format("当前鼠标位置：X={0}, Y={1}", mousePosition.X, mousePosition.Y);}return CallNextHookEx(mouseHookId, nCode, wParam, lParam);}private void button1_Click(object sender, EventArgs e){Clipboard.Clear(); // 清空剪贴板int x = int.Parse(this.x.Text);int y = int.Parse(this.y.Text);string text = this.textbox.Text;Clipboard.SetText(text);Thread.Sleep(100);SimulateMouseClick(x, y);Thread.Sleep(100);SendKeys.Send("^(v)");Thread.Sleep(100);SendKeys.Send("\t");}}
}

效果截图：