Going Full Screen In MonoGame Windows

One of the things that caused me some issues when porting ‘Attack Of Giant Jumping Man‘ to Windows was getting the game to run full screen at the correct resolution.

Unfortunately the MonoGame calls that should return the dimensions of the primary display don’t seem to work correctly on all hardware. My system was OK (a Mac Pro running Windows 8 via VMWare Fusion) but on @PVBroadz Surface Pro 3 MonoGame would, for some reason, insist the primary display was only 720 pixels wide.

My solution to this was to use native calls to return the width and height of the primary display, the following in my Game.Initialize() method seems to work just fine when placed after baseInitialize()…

GraphicsDeviceManager.PreferredBackBufferWidth = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width;
GraphicsDeviceManager.PreferredBackBufferHeight = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height;
GraphicsDeviceManager.IsFullScreen = true;
GraphicsDeviceManager.ApplyChanges();

…don’t forget to add a reference to the System.Windows.Forms dll!

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