Microsoft.Xna.Framework.MacGamePlatform.BeginScreenDeviceChange C# (CSharp) Method

        public override void BeginScreenDeviceChange(bool willBeFullScreen)
        {
            // This is a hack and it should go in MonoMacGameView.  Until that
            // is done we will set the SwapInterval ourselves
            // Using DisplayLink does not play nicely with background thread
            // loading.
           var graphicsDeviceManager = (GraphicsDeviceManager)Game.Services.GetService(typeof(IGraphicsDeviceManager));
            _gameWindow.OpenGLContext.SwapInterval = graphicsDeviceManager.SynchronizeWithVerticalRetrace;
        }