public void EndTransparentWindow()
    {
    #if !UNITY_EDITOR // You really don't want to enable this in the editor..
        int fWidth = Screen.width;
        int fHeight = Screen.height;
        var margins = new MARGINS() { cxLeftWidth = -1 };
        var hwnd = GetActiveWindow();

        SetWindowLong(hwnd, GWL_STYLE, WS_POPUP | WS_VISIBLE);

        // Transparent windows with click through
        SetWindowLong(hwnd, -20, 524288);//GWL_EXSTYLE=-20; WS_EX_LAYERED=524288=&h80000, WS_EX_TRANSPARENT=32=0x00000020L
        SetLayeredWindowAttributes(hwnd, 255, 255, 0);// Transparency=51=20%, LWA_ALPHA=2
        SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, fWidth, fHeight, 32); //SWP_FRAMECHANGED = 0x0020 (32); //SWP_SHOWWINDOW = 0x0040 (64)
        // DwmExtendFrameIntoClientArea(hwnd, ref margins);

        Screen.SetResolution(1920, 1080, true);

    #endif
    }