private void UpdateVideoCfg(string width, string height, string fullscreen, string noWindowBorder)
        {
            const string defaultRes       = "defaultres";
            const string defaultResHeight = "defaultresheight";
            const string def_fullscreen   = "fullscreen";
            const string nowindowborder   = "nowindowborder";

            videoCfg.Reset();
            videoCfg.ChangeProperty(defaultRes, width);
            videoCfg.ChangeProperty(defaultResHeight, height);
            videoCfg.ChangeProperty(def_fullscreen, fullscreen);
            videoCfg.ChangeProperty(nowindowborder, noWindowBorder);

            using (Stream videoStream = new FileStream(videoFile, FileMode.Create))
            {
                videoCfg.Write(videoStream);
            }
        }