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Unity - Scripting API: KeyCode.Mouse3
Version: Unity 6.5 (6000.5)
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    • C#

    KeyCode.Mouse3

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    Description

    Additional (fourth) mouse button.

    Use this for detecting mouse button presses. The 3 mouse button is the fourth button on the users mouse if any additional buttons exist, for example, extra volume buttons. Unity defines this as the "3" mouse button, as the mouse button numbering begins at 0 for the main mouse button.

    Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

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