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Editorial Team
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Asked: 2026-06-05T05:43:15+00:00

The heading just about says it all. I derive from the XNA Game class,

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The heading just about says it all. I derive from the XNA Game class, and set the IsMouseVisible = true. I have a dual screen setup with the secondary display being extended from the primary. I set my game to fullscreen mode (GraphicsDeviceManager.IsFullScreen = true). All works fine and fullscreen mode is initialized. The only problem I have is that the mouse does not stay bound within the fullscreen game. As soon as it reaches the edge of the fullscreen game, it seamlessly moves over onto the secondary monitor. Is this expected bahaviour?

I do a Mouse.GetState() to retrieve mouse info every frame on the same thread in which my game runs.

I have even tried setting Mouse.WindowHandle = GameWindowHandle before every call to GetState, but it does not change anything.

Any ideas? Or is this expected behaviour and I need to clamp the mouse to the fullscreen area myself?

Regards,
Riaan

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1 Answer

  1. Editorial Team

    Yes, exactly, clamp your mouse to the screen that you want it to stay on. This is similar to an approach that I (and many others) use when I implement sprite cursors for my games. I hide the system mouse, and clamp it to the center of the screen so that it doesn’t show up on other monitors.

    The only downside is that you have to un-clamp your mouse if you minimize the game, etc. Otherwise it stays stuck, which can be really annoying.

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