public function MergeCells( 
   firstRow : int,
   firstCol : int,
   lastRow : int,
   lastCol : int
);

Parameters

firstRow

First row of the merged cell.

firstCol

First column of the merged cell.

lastRow

Last row of the merged cell.

lastCol

Last column of the merged cell.

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

Reference