'Declaration
 
Public Overloads Function Add( _
   ByVal startingCellAddress As String, _
   ByVal endingCellAddress As String, _
   Optional ByVal isCenter As Boolean, _
   Optional ByVal isMergeAcross As Boolean _
) As CellRange

'Usage
 
Dim instance As MergedCellCollection
Dim startingCellAddress As String
Dim endingCellAddress As String
Dim isCenter As Boolean
Dim isMergeAcross As Boolean
Dim value As CellRange
 
value = instance.Add(startingCellAddress, endingCellAddress, isCenter, isMergeAcross)

public CellRange Add( 
   string startingCellAddress,
   string endingCellAddress,
   bool isCenter,
   bool isMergeAcross
)

Parameters

startingCellAddress

The Address of the Cell corresponding to top left corner of the CellRange that will be added to the MergedCellCollection.

endingCellAddress

The Address of the Cell corresponding to the bottom right corner of the CellRange that will be added to the MergedCellCollection.

isCenter

Centers the text horizontally & 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