c#使用win32api实现获取光标位置

[DllImport("user32.dll")]public static extern bool GetCursorPos(out POINT lpPoint); [StructLayout(LayoutKind.Sequential)]public struct POINT{  public int X;  public int Y;  public POINT(int x, int y)  {    this.X = x;    this.Y = y;  }}

//获取屏幕      int width = (int)SystemParameters.PrimaryScreenWidth;//得到屏幕整体宽度      int height = (int)SystemParameters.PrimaryScreenHeight;//得到屏幕整体高度//获取鼠标初始位置，相对屏幕的绝对位置      System.Drawing.Point p = new System.Drawing.Point();      ApiHelper.GetCursorPos(out p);      if (width != 0) p.X = 65535 * p.X / width;      if (height != 0) p.Y = 65535 * p.Y / height;//设置移动的位置坐标      int dy = 100;      int dx = 100;      dx = (int)(dx * 65535 / width);      dy = (int)(dy * 65535 / height);           //移到指定位置 ApiHelper.mouse_event((int)(MouseEventFlag.MOUSEEVENTF_MOVE | MouseEventFlag.MOUSEEVENTF_ABSOLUTE), dx, dy, 0, IntPtr.Zero);//移动到需要点击的位置    //完成一次点击ApiHelper.mouse_event((int)(MouseEventFlag.MOUSEEVENTF_LEFTDOWN), 0, 0, 0, IntPtr.Zero);ApiHelper.mouse_event((int)(MouseEventFlag.MOUSEEVENTF_LEFTUP), 0, 0, 0, IntPtr.Zero);////单击可以写为ApiHelper.mouse_event((int)(MouseEventFlag.MOUSEEVENTF_LEFTDOWN | MouseEventFlag.MOUSEEVENTF_LEFTUP), 0, 0, 0, IntPtr.Zero);//双击则再重复单击方法 //回到初始位置 ApiHelper.mouse_event((int)(MouseEventFlag.MOUSEEVENTF_MOVE | MouseEventFlag.MOUSEEVENTF_ABSOLUTE), p.X, p.Y, 0, IntPtr.Zero);//移动到需要点击的位置