Sets or returns the 0-based index of the first column that is shown in the worksheet.

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 public int FirstShownColumn{ get; set; }
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<p>Public Property FirstShownColumn() As Integer</p>

          //--- Get FirstShownColumn
          int firstCol = ws.FirstShownColumn;

          //--- Set FirstShownColumn
          ws.FirstShownColumn = 5;
        

          '--- Get FirstShownColumn
          Dim firstCol As Integer = ws.FirstShownColumn

          '--- Set FirstShownColumn
          ws.FirstShownColumn = 5