Scrolls the ribbon category in the horizontal direction.
virtual BOOL OnScrollHorz(
   BOOL bScrollLeft,
   int nScrollOffset = 0
);
Parameters
- [in] bScrollLeft 
 TRUE to scroll to the left; FALSE to scroll to the right.
- [in] nScrollOffset 
 The scroll distance in pixels.
Return Value
TRUE if the ribbon category moved in a horizontal direction; otherwise FALSE.
Requirements
Header: afxribboncategory.h