Called by the framework before the tooltip for a button is displayed.
virtual BOOL GetToolbarButtonToolTipText(
   CMFCToolBarButton* pButton,
   CString& strTTText 
);
Parameters
- [in] pButton 
 Pointer to the button.
- [in] strTTText 
 Pointer to the tooltip text.
Return Value
The default implementation returns 0.
Remarks
Override this function to customize the display of tooltips on toolbar buttons.
Requirements
Header: afxoleipframewndex.h