Dispatches command messages.
virtual BOOL OnCmdMsg(
   UINT nID,
   int nCode,
   void* pExtra,
   AFX_CMDHANDLERINFO* pHandlerInfo
);
Parameters
- [in] nID 
 The command ID.
- [in] nCode 
 Command message category.
- [in, out] pExtra 
 Pointer to a command object.
- [in, out] pHandlerInfo 
 Pointer to a command handler structure.
Return Value
TRUE if the command message was handled; otherwise, FALSE.
Requirements
Header: afxframewndex.h