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I am trying to make an InputManager class that will let me basically bridge XNA's various input methods and do a corresponding action in my game. Part of this is designing different keybindings.

Suppose I have a class GamePadBinding : InputBinding<Button> - this is the Button enum from XNA.Input and has a variety of different buttons (Left, A, etc). However, to actually check input, I have to call something like if (GamePad.GetState(PlayerIndex.One).DPad.Left == ButtonState.Pressed), and the problem with that is that it uses a struct with readonly values.

How am I expected to store an enum of type Button and compare that with this? I really am not seeing the point of this enum.

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You can check the button state easier using the GamePadState.IsButtonUp and GamePadState.IsButtonDown methods. These both accept an Input.Buttons parameter.

See the MSDN article.

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