private static void SendInput()
        {
            IntPtr hwnd = XplatUI.GetActive();

            if (hwnd != IntPtr.Zero)
            {
                Form active = ((Form)Control.FromHandle(hwnd));
                if (active != null && active.ActiveControl != null)
                {
                    hwnd = active.ActiveControl.Handle;
                }
                else if (active != null)
                {
                    hwnd = active.Handle;
                }
            }
            XplatUI.SendInput(hwnd, keys);
            keys.Clear();
        }