Enum MouseButton Path C++ Link UnityEngine.InputSystem.LowLevel.MouseButton, Unity.InputSystem underlying int32 Unity.InputSystem.dll Values 5 NameValueHex Left00x00Right10x01Middle20x02Forward30x03Back40x04 Used by 2types with a member, parameter or interface of this type HighPollingRateMouseFixMouseState // UnityEngine.InputSystem.LowLevel.MouseButton, Unity.InputSystem enum class MouseButton : int32 { Left = 0, Right = 1, Middle = 2, Forward = 3, Back = 4, };