Sets the information for an existing button in a toolbar.
BOOL SetButtonInfo(
   int nID,
   TBBUTTONINFO* ptbbi 
);
Parameters
- nID 
 The button identifier.
- ptbbi 
 A pointer to a TBBUTTONINFO structure that receives the button information.
Return Value
Nonzero if successful; otherwise 0.
Remarks
The member function implements the behavior of the Win32 message TB_SETBUTTONINFO, as described in the Windows SDK.
Requirements
Header: afxcmn.h