【转】C# 鼠标钩子控制鼠标移动与点击

很抱歉，作为AI语言模型，我没有能力进行代码演示。但是，我可以告诉你一些关于C#鼠标钩子的基本知识。

C#中可以使用System.Windows.Forms命名空间下的MouseHook类来实现鼠标钩子。使用鼠标钩子可以监视并拦截鼠标消息，从而实现对鼠标的控制。

以下是一个简单的示例代码，可以使用鼠标钩子控制鼠标移动和点击：

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

namespace MouseHookDemo
{
    public partial class Form1 : Form
    {
        private const int WH_MOUSE_LL = 14;
        private const int WM_LBUTTONDOWN = 0x0201;
        private const int WM_LBUTTONUP = 0x0202;
        private static IntPtr hookId = IntPtr.Zero;

        private delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam);

        private static HookProc hookCallback = HookCallback;

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hMod, uint dwThreadId);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool UnhookWindowsHookEx(IntPtr hhk);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);

        [StructLayout(LayoutKind.Sequential)]
        private struct POINT
        {
            public int X;
            public int Y;
        }

        [StructLayout(LayoutKind.Sequential)]
        private struct MSLLHOOKSTRUCT
        {
            public POINT pt;
            public uint mouseData;
            public uint flags;
            public uint time;
            public IntPtr dwExtraInfo;
        }

        public Form1()
        {
            InitializeComponent();

            hookId = SetHook(hookCallback);
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            UnhookWindowsHookEx(hookId);
        }

        private static IntPtr SetHook(HookProc hookProc)
        {
            using (ProcessModule module = Process.GetCurrentProcess().MainModule)
            {
                return SetWindowsHookEx(WH_MOUSE_LL, hookProc, GetModuleHandle(module.ModuleName), 0);
            }
        }

        private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
        {
            if (nCode >= 0 && wParam == (IntPtr)WM_LBUTTONDOWN)
            {
                // 鼠标左键按下时
                int x = Cursor.Position.X + 10;
                int y = Cursor.Position.Y + 10;
                Cursor.Position = new Point(x, y);
            }
            else if (nCode >= 0 && wParam == (IntPtr)WM_LBUTTONUP)
            {
                // 鼠标左键抬起时
                int x = Cursor.Position.X - 10;
                int y = Cursor.Position.Y - 10;
                Cursor.Position = new Point(x, y);
            }

            return CallNextHookEx(hookId, nCode, wParam, lParam);
        }

        private static IntPtr GetModuleHandle(string lpModuleName)
        {
            IntPtr hModule = IntPtr.Zero;
            ProcessModuleCollection modules = Process.GetCurrentProcess().Modules;
            foreach (ProcessModule module in modules)
            {
                if (module.ModuleName == lpModuleName)
                {
                    hModule = module.BaseAddress;
                    break;
                }
            }
            return hModule;
        }
    }
}

在这个示例代码中，我们使用了鼠标左键按下和抬起的事件来控制鼠标移动。当鼠标左键按下时，鼠标会向右下方移动10个像素，当鼠标左键抬起时，鼠标会向左上方移动10个像素。

需要注意的是，使用鼠标钩子需要在应用程序关闭时释放钩子，否则可能会导致系统崩溃。在这个示例代码中，我们在窗体关闭事件中释放了钩子。

希望这些信息能对你有所帮助！