C# 实现鼠标控制API示例

using System;
using System.Text;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Windows.Forms;

namespace KeyboardHook
{

    /// <summary>
    /// Mouse buttons that can be pressed
    /// </summary>
    public enum MouseButton
    {
        Left = 0x2,
        Right = 0x8,
        Middle = 0x20
    }

    /// <summary>
    /// Operations that simulate mouse events
    /// </summary>
    public static class MouseSimulator
    {

        #region Windows API Code

        [DllImport("user32.dll")]
        static extern int ShowCursor(bool show);
        [DllImport("User32")]

        public extern static void SetCursorPos(int x, int y);
        [DllImport("user32.dll")]
        static extern void mouse_event(int flags, int dX, int dY, int buttons, int extraInfo);
        [DllImport("user32.dll")]
        static extern void PostMessage(IntPtr hWnd, int Msg, int wParam, uint lParam); 
        const int MOUSEEVENTF_MOVE = 0x1;
        const int MOUSEEVENTF_LEFTDOWN = 0x2;
        const int MOUSEEVENTF_LEFTUP = 0x4;
        const int MOUSEEVENTF_RIGHTDOWN = 0x8;
        const int MOUSEEVENTF_RIGHTUP = 0x10;
        const int MOUSEEVENTF_MIDDLEDOWN = 0x20;
        const int MOUSEEVENTF_MIDDLEUP = 0x40;
        const int MOUSEEVENTF_WHEEL = 0x800;
        const int MOUSEEVENTF_ABSOLUTE = 0x8000;
        const int WM_MOUSEMOVE = 0x200;
        const int WM_LBUTTONDOWN = 0x201;
        const int WM_RBUTTONDOWN = 0x204;
        const int WM_MBUTTONDOWN = 0x207;
        const int WM_LBUTTONUP = 0x202;
        const int WM_RBUTTONUP = 0x205;
        const int WM_MBUTTONUP = 0x208;
        #endregion

        #region Properties

        /// <summary>
        /// Gets or sets a structure that represents both X and Y mouse coordinates
        /// </summary>
        public static Point Position
        {