Sets the command ID, style, and image ID of a toolbar button.
void SetButtonInfo(
   int nIndex,
   UINT nID,
   UINT nStyle,
   int iImage 
);
Parameters
- [in] nIndex 
 The zero-based index of the button whose properties are set.
- [in] nID 
 The command ID of the button.
- [in] nStyle 
 The style of the button. See ToolBar Control Styles for the list of available toolbar button styles.
- [in] iImage 
 The zero-based image index of the button (that is, the index in the collection of toolbar images).
Remarks
Call this method to set the properties of a toolbar button.
In Debug builds, this method generates an assertion failure if the index that is specified by nIndex is invalid.
Call the CMFCToolBar::SetButtonStyle method to set only the style of the button.
Requirements
Header: afxtoolbar.h