Control. Scroll State User Has Scrolled 字段
protected: int ScrollStateUserHasScrolled = 8;
protected const int ScrollStateUserHasScrolled = 8;
val mutable ScrollStateUserHasScrolled : int
Protected Const ScrollStateUserHasScrolled As Integer = 8
该ScrollStateUserHasScrolled字段为掩码。The ScrollStateUserHasScrolled field is a mask. 将其与GetScrollState方法一起使用可获取用户是否已滚动ScrollableControl。Use it with the GetScrollState method to get whether the user had scrolled through the ScrollableControl.