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. 将其与方法一起使用 GetScrollState 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.