Changes the mouse style.
enum eMousePointerStyle {
ARROW = 1,
ARROW_DIMMED = 2,
HAND_OPEN = 3,
HAND_GRAB = 4,
HAND_MIDDLE_FINGER = 5,
ARROW_LEFT = 6,
ARROW_RIGHT = 7,
ARROW_UP = 8,
ARROW_DOWN = 9,
ARROW_TRIMMING = 10,
ARROW_PLUS = 11,
ARROW_MINUS = 12
};