ARKBreedingStats.Win32Stuff.GrabCurrentScreen C# (CSharp) Method

        public static Bitmap GrabCurrentScreen(IntPtr hwnd)
        {
            Rect rc;
            Rect client;
            Point p;

            p.x = 0; p.y = 0;

            GetWindowRect(hwnd, out rc);
            GetClientRect(hwnd, out client);
            ClientToScreen(hwnd, out p);

            if (rc.Width == 0 || rc.Height == 0)
                return null;

            rc.left = p.x;
            rc.top = p.y;
            rc.right = rc.left + client.Width;
            rc.bottom = rc.top + client.Height;

            Bitmap bmp = new Bitmap(rc.Width, rc.Height, PixelFormat.Format32bppArgb);
            Graphics gfxBmp = Graphics.FromImage(bmp);

            gfxBmp.CopyFromScreen(rc.left, rc.top, 0, 0, new Size(rc.Width, rc.Height), CopyPixelOperation.SourceCopy);
            //gfxBmp.CopyFromScreen(client.left, client.top, 0, 0, new Size(client.Width, client.Height), CopyPixelOperation.SourceCopy);

            gfxBmp.Dispose();

            return bmp;
        }