Retrieves information about the specified button in a toolbar control.
BOOL GetButton(
   int nIndex,
   LPTBBUTTON lpButton 
) const;
Parameters
- nIndex 
 Zero-based index of the button for which to retrieve information.
- lpButton 
 Address of the TBBUTTON structure that is to receive a copy of the button information. See CToolBarCtrl::AddButtons for information about the TBBUTTON structure.
Return Value
Nonzero if successful; otherwise zero.
Requirements
Header: afxcmn.h