public static void SetDwmTransparent(bool enable)
        {
            var margins = new DwmMargin()
            {
                cxLeftWidth = enable ? -1 : 0
            };

            DwmExtendFrameIntoClientArea(GetUnityWindowHandle(), ref margins);
        }
        public static void SetDwmTransparent(bool enable)
        {
            int margin  = enable ? -1 : 0;
            var margins = new DwmMargin()
            {
                cxLeftWidth    = margin,
                cxRightWidth   = margin,
                cyTopHeight    = margin,
                cyBottomHeight = margin,
            };

            DwmExtendFrameIntoClientArea(GetUnityWindowHandle(), ref margins);
        }
 public static extern uint DwmExtendFrameIntoClientArea(IntPtr hWnd, ref DwmMargin margins);