This topic is included for completeness. For more detail see the source code located in the VC\atlmfc\src\mfc folder of your Visual Studio installation.
void StartPopupMenuTimer(
   CMFCToolBarMenuButton* pMenuButton,
   int nDelayFactor = 1
);
Parameters
- [in] pMenuButton 
 
- [in] nDelayFactor 
 
Requirements
Header: afxpopupmenubar.h