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用WinForm做RPA项目时经常需要模拟鼠标操作#xff0c;通过调用Windows Api 可以实现控制鼠标的移动、点击以及滚轮滚动#xff0c;做到跟人工一样的操作。
代码实现 public static class MouseKeyController{[DllImport(user32)]private static exte…写在前面
用WinForm做RPA项目时经常需要模拟鼠标操作通过调用Windows Api 可以实现控制鼠标的移动、点击以及滚轮滚动做到跟人工一样的操作。
代码实现 public static class MouseKeyController{[DllImport(user32)]private static extern int mouse_event(int dwFlags, int dx, int dy, int dwData, int dwExtraInfo);[DllImport(user32.dll, EntryPoint keybd_event, SetLastError true)]private static extern void keybd_event(Keys bVk, byte bScan, uint dwFlags, uint dwExtraInfo);[DllImport(user32.dll, EntryPoint PostMessageA, SetLastError true)]private static extern int PostMessage(IntPtr hWnd, int Msg, Keys wParam, int lParam);#region 屏幕分辨率和缩放百分比[DllImport(user32.dll)]private static extern IntPtr GetDC(IntPtr ptr);[DllImport(gdi32.dll)]private static extern int GetDeviceCaps(IntPtr hdc, int nIndex);[DllImport(user32.dll, EntryPoint ReleaseDC)]private static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDc);const int HORZRES 8;const int VERTRES 10;const int LOGPIXELSX 88;const int LOGPIXELSY 90;const int DESKTOPVERTRES 117;const int DESKTOPHORZRES 118;/// summary/// 获取真实屏幕分辨率大小/// /summarypublic static Size DESKTOP{get {IntPtr hdc GetDC(IntPtr.Zero);Size size new Size();size.Width GetDeviceCaps(hdc, DESKTOPHORZRES);size.Height GetDeviceCaps(hdc, DESKTOPVERTRES);ReleaseDC(IntPtr.Zero, hdc);return size;}}#endregion//移动鼠标 const int MOUSEEVENTF_MOVE 0x0001;//模拟鼠标左键按下 const int MOUSEEVENTF_LEFTDOWN 0x0002;//模拟鼠标左键抬起 const int MOUSEEVENTF_LEFTUP 0x0004;//模拟鼠标右键按下 const int MOUSEEVENTF_RIGHTDOWN 0x0008;//模拟鼠标右键抬起 const int MOUSEEVENTF_RIGHTUP 0x0010;//模拟鼠标中键按下 const int MOUSEEVENTF_MIDDLEDOWN 0x0020;//模拟鼠标中键抬起 const int MOUSEEVENTF_MIDDLEUP 0x0040;//标示是否采用绝对坐标 const int MOUSEEVENTF_ABSOLUTE 0x8000;//模拟鼠标滚轮滚动操作必须配合dwData参数const int MOUSEEVENTF_WHEEL 0x0800;private static int screenWidth 0;private static int screenHeight 0;public static void Init(){screenWidth Screen.PrimaryScreen.Bounds.Width;screenHeight Screen.PrimaryScreen.Bounds.Height;}public static void MoveMouseWheel(int offset){mouse_event(MOUSEEVENTF_WHEEL, 0, 0, offset, 0);//鼠标滚动使界面向下滚动offset的高度}public static void MoveMousePoint(int x, int y){ mouse_event(MOUSEEVENTF_MOVE, x, y, 0, 0);//相对当前鼠标位置x轴和y轴分别移动50像素}public static void SetMousePoint(int x, int y){// 需要说明的是如果没有使用MOUSEEVENTF_ABSOLUTE函数默认的是相对于鼠标当前位置的点如果dx和dy用00表示这函数认为是当前鼠标所在的点。mouse_event(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE, x * 65536 / screenWidth, y * 65536 / screenHeight, 0, 0);}public static void MouseLeftDown(){mouse_event(MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0);}public static void MouseLeftUp(){mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);}public static void MouseLeftClick(){mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);}public static void MouseRightClick(){mouse_event(MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_RIGHTUP, 0, 0, 0, 0);}}
总结
已在项目中实际应用过了真实可靠可放心使用。
