Added IsVertical to wxMac's wxScrollBar. (It doesn't derive

from wxScrollbarBase)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12718 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/scrolbar.h

@@ -50,6 +50,8 @@ public:
   inline int GetPageSize() const { return m_viewSize; }
   inline int GetRange() const { return m_objectSize; }
 
+  bool IsVertical() const { return (m_windowStyle & wxVERTICAL) != 0; }
+
   virtual void SetThumbPosition(int viewStart);
   virtual void SetScrollbar(int position, int thumbSize, int range, int pageSize,
     bool refresh = TRUE);