Retrieves the bounding rectangle of a button in a toolbar control.
BOOL GetItemRect(
   int nIndex,
   LPRECT lpRect 
) const;
Parameters
- nIndex 
 Zero-based index of the button for which to retrieve information.
- lpRect 
 Address of a RECT structure or a CRect object that receives the coordinates of the bounding rectangle.
Return Value
Nonzero if successful; otherwise zero.
Remarks
This function does not retrieve the bounding rectangle for buttons whose state is set to TBSTATE_HIDDEN.
Requirements
Header: afxcmn.h