c#实现自动点击鼠标左键（例子）

C# code

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;namespace 点击{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        [DllImport("User32")]        public extern static void mouse_event(int dwFlags, int dx, int dy, int dwData, IntPtr dwExtraInfo);        [DllImport("User32")]        public extern static void SetCursorPos(int x, int y);        [DllImport("User32")]        public extern static bool GetCursorPos(out POINT p);        [StructLayout(LayoutKind.Sequential)]        public struct POINT        {            public int X;            public int Y;        }        public enum MouseEventFlags        {            Move = 0x0001,            LeftDown = 0x0002,            LeftUp = 0x0004,            RightDown = 0x0008,            RightUp = 0x0010,            MiddleDown = 0x0020,            MiddleUp = 0x0040,            Wheel = 0x0800,            Absolute = 0x8000        }        private void AutoClick(int x, int y)        {            POINT p = new POINT();            GetCursorPos(out p);            try            {                SetCursorPos(x, y);                mouse_event((int)(MouseEventFlags.LeftDown | MouseEventFlags.Absolute), 0, 0, 0, IntPtr.Zero);                mouse_event((int)(MouseEventFlags.LeftUp | MouseEventFlags.Absolute), 0, 0, 0, IntPtr.Zero);            }            finally            {                SetCursorPos(p.X, p.Y);            }        }        private void button1_Click(object sender, EventArgs e)        {            AutoClick(20, 40);        }    }}