True if the range contains merged cells. Read/write Boolean.
Syntax
property MergeCells: Boolean;
Example
This example sets the value of the merged range that contains cell A3.
With Workbook.sheets[1].Range['A3','A3'] do begin
if MergeCells then MergeArea[1,1].Value := 100;
end;
This example merges A1:F1 cells on sheet one.