'Declaration
 
Public Overloads Function Add( _
   ByVal startingRowId As Integer, _
   ByVal startingColumnId As Integer, _
   ByVal endingRowId As Integer, _
   ByVal endingColumnId As Integer, _
   Optional ByVal isCenter As Boolean, _
   Optional ByVal isMergeAcross As Boolean _
) As CellRange

'Usage
 
Dim instance As MergedCellCollection
Dim startingRowId As Integer
Dim startingColumnId As Integer
Dim endingRowId As Integer
Dim endingColumnId As Integer
Dim isCenter As Boolean
Dim isMergeAcross As Boolean
Dim value As CellRange
 
value = instance.Add(startingRowId, startingColumnId, endingRowId, endingColumnId, isCenter, isMergeAcross)

public CellRange Add( 
   int startingRowId,
   int startingColumnId,
   int endingRowId,
   int endingColumnId,
   bool isCenter,
   bool isMergeAcross
)

Parameters

startingRowId

Base 0 index that represents the topmost Row of the CellRange to add to the collection.

startingColumnId

Base 0 index that represents the leftmost Column of the CellRange to add to the collection.

endingRowId

Base 0 index that represents the last Row of the CellRange to add to the collection.

endingColumnId

Base 0 index that represents the rightmost Column of the CellRange to add to the collection.

isCenter

Centers the text horizontally and vertically. The default value is true.

isMergeAcross

Splits the merge per Row. For example, "A1 : B2" will be merged as "A1: B1" and "A2 : B2". The default value is false.

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

MergedCellCollection Class
MergedCellCollection Members
Overload List