Public Sub SwapRange( _
   ByVal fromRow As Integer, _
   ByVal fromColumn As Integer, _
   ByVal toRow As Integer, _
   ByVal toColumn As Integer, _
   ByVal rowCount As Integer, _
   ByVal columnCount As Integer, _
   ByVal dataOnly As Boolean _
) 

Dim instance As SheetView
Dim fromRow As Integer
Dim fromColumn As Integer
Dim toRow As Integer
Dim toColumn As Integer
Dim rowCount As Integer
Dim columnCount As Integer
Dim dataOnly As Boolean
 
instance.SwapRange(fromRow, fromColumn, toRow, toColumn, rowCount, columnCount, dataOnly)

public void SwapRange( 
   int fromRow,
   int fromColumn,
   int toRow,
   int toColumn,
   int rowCount,
   int columnCount,
   bool dataOnly
)

int i, j;
fpSpread1.ActiveSheet.RowCount = 10;
fpSpread1.ActiveSheet.ColumnCount = 10;
for (i = 0; i <= 9; i ++)
{ 
    for (j = 0; j <= 9; j++)
    {
        fpSpread1.ActiveSheet.SetValue(i, j, i + 1);
    }
}
fpSpread1.ActiveSheet.SwapRange(0, 0, 3, 0, 3, 3, true);
}

Dim i, j As Integer
FpSpread1.ActiveSheet.RowCount = 10
FpSpread1.ActiveSheet.ColumnCount = 10
For i = 0 To 9
    For j = 0 To 9
        FpSpread1.ActiveSheet.SetValue(i, j, i + 1)
    Next j
Next i
FpSpread1.ActiveSheet.SwapRange(0, 0, 3, 0, 3, 3, True)