Public Sub ShowColumn( _
   ByVal columnViewportIndex As Integer, _
   ByVal column As Integer, _
   ByVal horizontalPosition As HorizontalPosition _
) 

Dim instance As SpreadView
Dim columnViewportIndex As Integer
Dim column As Integer
Dim horizontalPosition As HorizontalPosition
 
instance.ShowColumn(columnViewportIndex, column, horizontalPosition)

public void ShowColumn( 
   int columnViewportIndex,
   int column,
   HorizontalPosition horizontalPosition
)

FarPoint.Win.Spread.SpreadView sv = fpSpread1.GetRootWorkbook();
sv.AddViewport(0, 0);
sv.ShowColumn(1, 5, FarPoint.Win.Spread.HorizontalPosition.Left);

Dim sv As FarPoint.Win.Spread.SpreadView = FpSpread1.GetRootWorkbook
sv.AddViewport(0, 0)
sv.ShowColumn(1, 5, FarPoint.Win.Spread.HorizontalPosition.Left)