Public ReadOnly Property RowBegin As Integer

Dim instance As DragFillBlockEventArgs
Dim value As Integer
 
value = instance.RowBegin

public int RowBegin {get;}

private void fpSpread1_DragFillBlock(object sender, FarPoint.Win.Spread.DragFillBlockEventArgs e)
{
    textBox1.Text = "The beginning row is " + e.RowBegin + " and the ending row is " + e.RowEnd;
}

Private Sub FpSpread1_DragFillBlock(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.DragFillBlockEventArgs) Handles
FpSpread1.DragFillBlock
    TextBox1.Text = "The beginning row is " & e.RowBegin & " and the ending row is " & e.RowEnd
End Sub