成员的完整列表，这些成员属于 SARibbonButtonLayoutRects,包括所有继承而来的类成员

clear() (定义于 SARibbonButtonLayoutRects)	SARibbonButtonLayoutRects	inline
iconRect	SARibbonButtonLayoutRects
indicatorRect	SARibbonButtonLayoutRects
isValid() const (定义于 SARibbonButtonLayoutRects)	SARibbonButtonLayoutRects	inline
textRect	SARibbonButtonLayoutRects