public static SmartClicker GetInstance(IntPtr hwnd)
        {
            WC.GetClientRect(hwnd, out ClientRect);
            if (!WC.IsFullScreen(hwnd))
            {
                return(null);
            }
            ScreenSize size = (ScreenSize)Enum.Parse(typeof(ScreenSize), string.Concat(new object[] { "Size", ClientRect.Width, "x", ClientRect.Height }));

            return(GetInstance(hwnd, size));
        }