MouseWheel()
语法
Result = MouseWheel()概要
Returns the number of ticks the mouse wheel has moved since the last function call. ExamineMouse() should be called before this function to update the mouse status.
参数
无.
返回值
The number of ticks the mouse wheel has moved since the last function call. The value is positive if the wheel has moved forward and negative is the wheel has moved backwards.
参阅
ExamineMouse()
已支持操作系统
Windows