How to maximize window in XNA

Question

This SHOULD be a very simple question but after lots of searching there seems to be no working example anywhere. I just want my XNA window to start off maximized. I know how

Answer 1

_graphics = new GraphicsDeviceManager(this);
DisplayMode displayMode = GraphicsAdapter.DefaultAdapter.CurrentDisplayMode;
this._graphics.PreferredBackBufferFormat = displayMode.Format;
this._graphics.PreferredBackBufferWidth = (int)(displayMode.Width);
this._graphics.PreferredBackBufferHeight = (int)(displayMode.Height);

Sort of works for me but not quite, you'll understand once you try. I mean, it's not perfect and I'm sure there's a better way but for prototyping this should work - or maybe with some tweaking you could get what you need.