Reference TGamepadButton
Declared in Codebot.Hardware.pas on line 506
The buttons every gamepad has, named by their place on an Xbox gamepad. A is the bottom face button, B the right, X the left and Y the top.
TGamepadButton = (gbA, gbB, gbX, gbY, gbBack, gbGuide, gbStart, gbLeftStick, gbRightStick, gbLeftShoulder, gbRightShoulder, gbUp, gbDown, gbLeft, gbRight);