PDXUTCallbackMouse

type PDXUTCallbackMouse = procedure(

  bLeftButtonDown: Boolean;

  bRightButtonDown: Boolean;

  bMiddleButtonDown: Boolean;

  bSideButton1Down: Boolean;

  bSideButton2Down: Boolean;

  nMouseWheelDelta: Integer;

  xPos: Integer;

  yPos: Integer;

  pUserContext: Pointer

);