Public ReadOnly Property DestinationColumnBegin As Integer

Dim instance As DragDropBlockEventArgs
Dim value As Integer
 
value = instance.DestinationColumnBegin

public int DestinationColumnBegin {get;}

private void fpSpread1_DragDropBlock(object sender, FarPoint.Win.Spread.DragDropBlockEventArgs e)
{
    textBox1.Text = "The beginning column is " + e.DestinationColumnBegin + " and the ending column is " + e.DestinationColumnEnd;
}

Private Sub FpSpread1_DragDropBlock(ByVal sender As Object, ByVal e As     FarPoint.Win.Spread.DragDropBlockEventArgs) Handles
FpSpread1.DragDropBlock
    TextBox1.Text = "The beginning column is " & e.DestinationColumnBegin & " and the ending column is " &     e.DestinationColumnEnd
End Sub