Скриншот с захватом курсора

IntPtr c = GetCursor();

        [DllImport("user32.dll")]
        static extern bool GetIconInfo(IntPtr hIcon, out ICONINFO piconinfo);
 
        [StructLayout(LayoutKind.Sequential)]
        struct ICONINFO
        {
            public bool fIcon;
            public Int32 xHotspot;
            public Int32 yHotspot;
            public IntPtr hbmMask;
            public IntPtr hbmColor;
        }
 
        [DllImport("user32.dll")]
        static extern IntPtr GetCursor();
 
        [StructLayout(LayoutKind.Sequential)]
        struct POINT
        {
            public Int32 x;
            public Int32 y;
        }
 
        [StructLayout(LayoutKind.Sequential)]
        struct CURSORINFO
        {
            public Int32 cbSize;
            public Int32 flags;
            public IntPtr hCursor;
            public POINT ptScreenPos;
        }
        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        static extern bool GetCursorPos(out Point lpPoint);
 
        [DllImport("user32.dll")]
        static extern bool GetCursorInfo(out CURSORINFO pci);
 
 
 
        [DllImport("gdi32.dll", EntryPoint = "DeleteObject")]
        static extern IntPtr DeleteObject(IntPtr hDc);
 
        [DllImport("user32.dll")]
        public static extern IntPtr GetDC(IntPtr hwnd);
        [DllImport("user32.dll", EntryPoint = "ReleaseDC")]
        public static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDC);
        public static IntPtr win3;
        [DllImport("gdi32.dll")]
        private static extern int BitBlt(
          IntPtr hdcDest, // handle to destination DC
          int nXDest,  // x-coord of destination upper-left corner
          int nYDest,  // y-coord of destination upper-left corner
          int nWidth,  // width of destination rectangle
          int nHeight, // height of destination rectangle
          IntPtr hdcSrc,  // handle to source DC
          int nXSrc,   // x-coordinate of source upper-left corner
          int nYSrc,   // y-coordinate of source upper-left corner
          UInt32 dwRop    // raster operation code
        );
        [DllImport("gdi32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        static extern bool GetWindowRect(HandleRef hWnd, out RECT lpRect);
        [StructLayout(LayoutKind.Sequential)]
        private struct RECT
        {
            public int Left;        // x position of upper-left corner
            public int Top;         // y position of upper-left corner
            public int Right;       // x position of lower-right corner
            public int Bottom;      // y position of lower-right corner
        }
        [DllImport("user32.dll")]
        static extern bool DrawIcon(IntPtr hDC, int X, int Y, IntPtr hIcon);
        [DllImport("user32.dll")]
        public static extern IntPtr GetDesktopWindow();
        [DllImport("user32.dll")]
        public static extern IntPtr GetWindowDC(IntPtr hWnd);
        private const Int32 SRCCOPY = 13369376;
 
        private void button1_Click(object sender, EventArgs e)
        {
unsafe{
 CURSORINFO cursorInfo;
 cursorInfo.cbSize = sizeof(CURSORINFO);
if (GetCursorInfo(out cursorInfo))
 {
  ICONINFO inf;
  GetIconInfo(cursorInfo.hCursor,out inf);
  Bitmap eee = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
  Graphics loGraphics1 = Graphics.FromImage(eee);
  IntPtr lnDst1 = loGraphics1.GetHdc();
  Point poin;
  GetCursorPos(out poin);
  IntPtr dd = GetDesktopWindow();
  BitBlt(lnDst1, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, GetWindowDC(dd), 0, 0, SRCCOPY);
  DrawIcon(lnDst1, poin.X - inf.xHotspot, poin.Y - inf.yHotspot, cursorInfo.hCursor);
  loGraphics1.ReleaseHdc(lnDst1);
  loGraphics1.Flush();
  loGraphics1.Dispose();
  pictureBox1.Image = (Bitmap)eee.Clone();
  pictureBox1.Size = eee.Size;
  }}}

IntPtr dd = GetDesktopWindow();
BitBlt(lnDst1, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, GetWindowDC(dd), 0, 0, SRCCOPY);

IntPtr lnDst1 = loGraphics1.GetHdc();

ReleaseDC(dd, lnDst1);

unsafe{
 CURSORINFO cursorInfo;
 cursorInfo.cbSize = sizeof(CURSORINFO);
if (GetCursorInfo(out cursorInfo))
 {
  ICONINFO inf;
  GetIconInfo(cursorInfo.hCursor,out inf);
  Bitmap eee = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
  Graphics loGraphics1 = Graphics.FromImage(eee);
  IntPtr lnDst1 = loGraphics1.GetHdc();
  IntPtr dd = GetDesktopWindow();
  IntPtr hdc = GetWindowDC(dd);
  BitBlt(lnDst1, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, hdc, 0, 0, SRCCOPY);
  DrawIcon(lnDst1, cursorInfo.ptScreenPos.x - inf.xHotspot, cursorInfo.ptScreenPos.y - inf.yHotspot, cursorInfo.hCursor);
  loGraphics1.ReleaseHdc(lnDst1);
  loGraphics1.Flush();
  loGraphics1.Dispose();
  ReleaseDC(dd, hdc);
  pictureBox1.Image = (Bitmap)eee.Clone();
  pictureBox1.Size = eee.Size;
  }}

  DeleteObject(inf.hbmColor);
  DeleteObject(inf.hbmMask);

Graphics loGraphics1 = Graphics.FromImage(eee);

 DeleteObject(inf.hbmColor);
  DeleteObject(inf.hbmMask);

            unsafe
            {
                CURSORINFO cursorInfo;
                cursorInfo.cbSize = sizeof(CURSORINFO); // тут выделили память
                if (GetCursorInfo(out cursorInfo))
                {
                    Bitmap eee = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
                    ICONINFO inf;
                    GetIconInfo(cursorInfo.hCursor, out inf);
                    Graphics loGraphics1 = Graphics.FromImage(eee);
                    IntPtr lnDst1 = loGraphics1.GetHdc();
                    IntPtr dd = GetDesktopWindow();
                    IntPtr hdc = GetWindowDC(dd);
                    BitBlt(lnDst1, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, hdc, 0, 0, SRCCOPY);
                    DrawIcon(lnDst1, cursorInfo.ptScreenPos.x - inf.xHotspot, cursorInfo.ptScreenPos.y - inf.yHotspot, cursorInfo.hCursor);
                    loGraphics1.ReleaseHdc(lnDst1);
                    loGraphics1.Flush();
                    loGraphics1.Dispose();
                    ReleaseDC(dd, hdc);
                    pictureBox1.Image = (Bitmap)eee.Clone();
                    pictureBox1.Size = eee.Size;
                    eee.Dispose();
                    GC.Collect(); //заставляем бездельника работать
                }
            }