Public Property NewColumn As Integer

Dim instance As LeaveCellEventArgs
Dim value As Integer
 
instance.NewColumn = value
 
value = instance.NewColumn

public int NewColumn {get; set;}

private void fpSpread1_LeaveCell(object sender, FarPoint.Win.Spread.LeaveCellEventArgs e)
{
    fpSpread1.ActiveSheet.Cells[e.NewRow, e.NewColumn].BackColor = Color.LightBlue;
}

Private Sub FpSpread1_LeaveCell(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.LeaveCellEventArgs) Handles FpSpread1.LeaveCell
    FpSpread1.ActiveSheet.Cells(e.NewRow, e.NewColumn).BackColor = Color.LightBlue
End Sub