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

        private void ResetWindowBounds()
        {
            RectangleF frame;
            RectangleF content;

            var graphicsDeviceManager = (GraphicsDeviceManager)Game.Services.GetService(typeof(IGraphicsDeviceManager));

            if (graphicsDeviceManager.IsFullScreen)
            {
                frame = NSScreen.MainScreen.Frame;
                content = NSScreen.MainScreen.Frame;
            }
            else
            {
                content = _gameWindow.Bounds;
                content.Width = Math.Min(
                    graphicsDeviceManager.PreferredBackBufferWidth,
                    NSScreen.MainScreen.VisibleFrame.Width);
                content.Height = Math.Min(
                    graphicsDeviceManager.PreferredBackBufferHeight,
                    NSScreen.MainScreen.VisibleFrame.Height - GetTitleBarHeight());

                frame = _mainWindow.Frame;
                frame.X = Math.Max(frame.X, NSScreen.MainScreen.VisibleFrame.X);
                frame.Y = Math.Max(frame.Y, NSScreen.MainScreen.VisibleFrame.Y);
                frame.Width = content.Width;
                frame.Height = content.Height + GetTitleBarHeight();
            }
            _mainWindow.SetFrame(frame, true);

            _gameWindow.Bounds = content;
            _gameWindow.Size = content.Size.ToSize();

            // Now we set our Presentation Parameters
            var device = (GraphicsDevice)graphicsDeviceManager.GraphicsDevice;
            // FIXME: Eliminate the need for null checks by only calling
            //        ResetWindowBounds after the device is ready.  Or,
            //        possibly break this method into smaller methods.
            if (device != null)
            {
                PresentationParameters parms = device.PresentationParameters;
                parms.BackBufferHeight = (int)content.Size.Height;
                parms.BackBufferWidth = (int)content.Size.Width;
            }
        }