func ScrollUp() { C.SendClick(4, 1) C.SendClick(4, 0) }
func MiddleUp() { C.SendClick(2, 0) }
func ScrollDown() { C.SendClick(5, 1) C.SendClick(5, 0) }
func MiddleDown() { C.SendClick(2, 1) }
func RightUp() { C.SendClick(3, 0) }
func LeftUp() { C.SendClick(1, 0) }
func RightDown() { C.SendClick(3, 1) }
func LeftDown() { C.SendClick(1, 1) }