Returns or sets a boolean that represents if this is the first cell in a group of horizontally merged cells. The first cell will contain all the content.

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 public boolean FirstMerged{ get; set; }
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<p>Public Property FirstMerged() As Boolean</p>

          //--- Return FirstMerged
          bool merged = cell.FirstMerged;

          //--- Set FirstMerged
          cell.FirstMerged = true;
        

          '--- Return FirstMerged
          Dim merged As Boolean = cell.FirstMerged

          '--- Set FirstMerged
          cell.FirstMerged = True