c#控制windows 鼠标移动、点击和输入

﹏ヽ暗。殇╰゛Y 2022-05-04 05:28 2964阅读 0赞

### c\#控制windows 鼠标移动、点击和输入 ###

*   *  首先可以使用ViewWizard获取窗口的类名和Title
     *  MouseHookHelper 鼠标相关的函数
     *  主函数调用MouseHookHelper实现鼠标点击和字符输入
     *  可能遇到的问题

## 首先可以使用ViewWizard获取窗口的类名和Title ##

ViewWizard下载地址：[https://download.csdn.net/download/th\_num/10737076][https_download.csdn.net_download_th_num_10737076]  
![在这里插入图片描述][70]

图中：窗口标题和窗口类名，可以使用下面的程序获取窗口的句柄。

## MouseHookHelper 鼠标相关的函数 ##

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Runtime.InteropServices;
    using System.Drawing; //Point
    
    namespace FDTDControl
    {
    
        public class MouseHookHelper
        {
    
            #region 根据句柄寻找窗体并发送消息
    
            [DllImport("user32.dll", EntryPoint = "FindWindow", SetLastError = true)]
            //参数1:指的是类名。参数2，指的是窗口的标题名。两者至少要知道1个
            public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    
            [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
            public static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string lclassName, string windowTitle);
    
            [DllImport("user32.dll", EntryPoint = "SendMessage", SetLastError = true, CharSet = CharSet.Auto)]
            public static extern IntPtr SendMessage(IntPtr hwnd, uint wMsg, int wParam, string lParam);
    
            [DllImport("user32.dll", EntryPoint = "SendMessage", SetLastError = true, CharSet = CharSet.Auto)]
            public static extern IntPtr SendMessage(IntPtr hwnd, uint wMsg, int wParam, int lParam);
    
    
          
            #endregion
    
            #region 获取窗体位置
            [DllImport("user32.dll")]
            [return: MarshalAs(UnmanagedType.Bool)]
            public static extern bool GetWindowRect(IntPtr hWnd, ref RECT lpRect);
    
            [StructLayout(LayoutKind.Sequential)]
            public struct RECT
            {
                public int Left;                             //最左坐标
                public int Top;                             //最上坐标
                public int Right;                           //最右坐标
                public int Bottom;                        //最下坐标
            }
            #endregion
    
            #region 设置窗体显示形式
    
            public enum nCmdShow : uint
            {
                SW_NONE,//初始值
                SW_FORCEMINIMIZE,//：在WindowNT5.0中最小化窗口，即使拥有窗口的线程被挂起也会最小化。在从其他线程最小化窗口时才使用这个参数。
                SW_MIOE,//：隐藏窗口并激活其他窗口。
                SW_MAXIMIZE,//：最大化指定的窗口。
                SW_MINIMIZE,//：最小化指定的窗口并且激活在Z序中的下一个顶层窗口。
                SW_RESTORE,//：激活并显示窗口。如果窗口最小化或最大化，则系统将窗口恢复到原来的尺寸和位置。在恢复最小化窗口时，应用程序应该指定这个标志。
                SW_SHOW,//：在窗口原来的位置以原来的尺寸激活和显示窗口。
                SW_SHOWDEFAULT,//：依据在STARTUPINFO结构中指定的SW_FLAG标志设定显示状态，STARTUPINFO 结构是由启动应用程序的程序传递给CreateProcess函数的。
                SW_SHOWMAXIMIZED,//：激活窗口并将其最大化。
                SW_SHOWMINIMIZED,//：激活窗口并将其最小化。
                SW_SHOWMINNOACTIVATE,//：窗口最小化，激活窗口仍然维持激活状态。
                SW_SHOWNA,//：以窗口原来的状态显示窗口。激活窗口仍然维持激活状态。
                SW_SHOWNOACTIVATE,//：以窗口最近一次的大小和状态显示窗口。激活窗口仍然维持激活状态。
                SW_SHOWNOMAL,//：激活并显示一个窗口。如果窗口被最小化或最大化，系统将其恢复到原来的尺寸和大小。应用程序在第一次显示窗口的时候应该指定此标志。
            }
    
            public const int SW_HIDE = 0;
            public const int SW_SHOWNORMAL = 1;
            public const int SW_SHOWMINIMIZED = 2;
            public const int SW_SHOWMAXIMIZED = 3;
            public const int SW_MAXIMIZE = 3;
            public const int SW_SHOWNOACTIVATE = 4;
            public const int SW_SHOW = 5;
            public const int SW_MINIMIZE = 6;
            public const int SW_SHOWMINNOACTIVE = 7;
            public const int SW_SHOWNA = 8;
            public const int SW_RESTORE = 9;
    
            [DllImport("User32.dll")]
            public static extern bool SetForegroundWindow(IntPtr hWnd);
    
            [DllImport("User32.dll")]
            public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
    
            #endregion
    
            #region 控制鼠标移动
    
            //移动鼠标 
            public const int MOUSEEVENTF_MOVE = 0x0001;
            //模拟鼠标左键按下 
            public const int MOUSEEVENTF_LEFTDOWN = 0x0002;
            //模拟鼠标左键抬起 
            public const int MOUSEEVENTF_LEFTUP = 0x0004;
            //模拟鼠标右键按下 
            public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;
            //模拟鼠标右键抬起 
            public const int MOUSEEVENTF_RIGHTUP = 0x0010;
            //模拟鼠标中键按下 
            public const int MOUSEEVENTF_MIDDLEDOWN = 0x0020;
            //模拟鼠标中键抬起 
            public const int MOUSEEVENTF_MIDDLEUP = 0x0040;
            //标示是否采用绝对坐标 
            public const int MOUSEEVENTF_ABSOLUTE = 0x8000;
    
            [Flags]
            public enum MouseEventFlag : uint
            {
                Move = 0x0001,
                LeftDown = 0x0002,
                LeftUp = 0x0004,
                RightDown = 0x0008,
                RightUp = 0x0010,
                MiddleDown = 0x0020,
                MiddleUp = 0x0040,
                XDown = 0x0080,
                XUp = 0x0100,
                Wheel = 0x0800,
                VirtualDesk = 0x4000,
                Absolute = 0x8000
            }
    
            //[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
            [DllImport("user32.dll")]
            public static extern bool SetCursorPos(int X, int Y);
            [DllImport("user32.dll")]
            public static extern int mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);
    
            #endregion
    
            #region 获取坐标钩子
    
            [StructLayout(LayoutKind.Sequential)]
            public class POINT
            {
                public int X;
                public int Y;
            }
    
            [StructLayout(LayoutKind.Sequential)]
            public class MouseHookStruct
            {
                public POINT pt;
                public int hwnd;
                public int wHitTestCode;
                public int dwExtraInfo;
            }
    
            public delegate int HookProc(int nCode, IntPtr wParam, IntPtr lParam);
    
            //安装钩子
            [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
            public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);
            //卸载钩子
            [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
            public static extern bool UnhookWindowsHookEx(int idHook);
            //调用下一个钩子
            [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
            public static extern int CallNextHookEx(int idHook, int nCode, IntPtr wParam, IntPtr lParam);
    
    
            /// <summary>   
            /// 获取鼠标的坐标   
            /// </summary>   
            /// <param name="lpPoint">传址参数，坐标point类型</param>   
            /// <returns>获取成功返回真</returns>   
            [DllImport("User32")]
            public extern static bool GetCursorPos(ref Point lpPoint);
    
    
            #endregion
    
        }
    }

## 主函数调用MouseHookHelper实现鼠标点击和字符输入 ##

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.Drawing; //Point
    
    
    namespace FDTDControl
    {
        class Program
        {
    
    
            private static void LeftMouseClick(MouseHookHelper.POINT pointInfo)
            {
    
                //先移动鼠标到指定位置
                MouseHookHelper.SetCursorPos(pointInfo.X, pointInfo.Y);
    
                //按下鼠标左键
                MouseHookHelper.mouse_event(MouseHookHelper.MOUSEEVENTF_LEFTDOWN,
                            pointInfo.X,
                            pointInfo.Y, 0, 0);
    
                //松开鼠标左键
                MouseHookHelper.mouse_event(MouseHookHelper.MOUSEEVENTF_LEFTUP,
                            pointInfo.X ,
                            pointInfo.Y , 0, 0);
    
            }
    
            //实时打印鼠标的相对（x，y）位置
            private static void PrintMousePoint(int x,int y)
            {
                int x1 = x;
                int y1 = y;
                while (true)
                {
    
                    Point p = new Point(1, 1);//定义存放获取坐标的point变量   
                    MouseHookHelper.GetCursorPos(ref p);
    
                    if (x1 != p.X && y1 != p.Y)
                    {
                        System.Console.WriteLine("相对于父类窗口 dx:");
                        System.Console.WriteLine(p.X - x);
                        System.Console.WriteLine("相对于父类窗口 dy:");
                        System.Console.WriteLine(p.Y - y);
                        x1 = p.X;
                        y1 = p.Y;
                    }
    
    
                }
            }
    
            static void Main(string[] args)
            {
    
                IntPtr awin = MouseHookHelper.FindWindow("HwndWrapper[DefaultDomain;;6e277d51-7be9-45b5-879e-37e195024ec9]", 
                    "FDTDControl - Microsoft Visual Studio(管理员)");
                if (awin == IntPtr.Zero)
                {
                    MessageBox.Show("没有找到窗体");
    
             
                    return;
                }
                else
                {
                    //MessageBox.Show(String.Format("{0:D}",awin));
    
                    MouseHookHelper.RECT rc = new MouseHookHelper.RECT();
    
                    MouseHookHelper.GetWindowRect(awin,ref rc);
    
                    int width = rc.Right - rc.Left;  //窗口的宽度
                    int height = rc.Bottom - rc.Top; //窗口的高度
                    int x = rc.Left;
                    int y = rc.Top;
    
    
    
                    MouseHookHelper.SetForegroundWindow(awin);  // 设置当前窗口置前
                    MouseHookHelper.ShowWindow(awin, MouseHookHelper.SW_SHOWNOACTIVATE);//4、5
    
                    LeftMouseClick(new MouseHookHelper.POINT()  //点击鼠标
                    {
                        X = x,
                        Y = y,
                    });
    
                 
                    /*
                    IntPtr editBtn= MouseHookHelper.FindWindowEx(awin, IntPtr.Zero, null, null);
                    MouseHookHelper.RECT rc2 = new MouseHookHelper.RECT();
                    MouseHookHelper.GetWindowRect(editBtn, ref rc2);
                    int x2 = rc2.Left;
                    int y2 = rc2.Top;
                    LeftMouseClick(new MouseHookHelper.POINT()  //点击鼠标
                    {
                        X = x2,
                        Y = y2,
                    });
                    */
    
    
                    
                    // 实时获取鼠标的位置
                    //PrintMousePoint(x, y);
    
                    LeftMouseClick(new MouseHookHelper.POINT()  //点击鼠标(x+466,y+466)
                    {
                        X = x+466,
                        Y = y+466,
                    });
    
                    // 在鼠标点击的地方打印数字
                    SendKeys.SendWait("12");
                    return;
    
                }
            }
        }
    }

## 可能遇到的问题 ##

*  找不到using System.Windows.Forms;  
    ![在这里插入图片描述][70 1]  
    在上图中，引用右键点击 --》“添加引用”  
    ![在这里插入图片描述][70 2]

[https_download.csdn.net_download_th_num_10737076]: https://download.csdn.net/download/th_num/10737076
[70]: /images/20220504/8051799baf424c2bb21e13638c89f11f.png
[70 1]: /images/20220504/55a06f057b804085b5f61919885b1d6a.png
[70 2]: /images/20220504/c29142f5fb7f45dd9cc70d0d2973ca9c.png