How to detect the vertical scrollbar in a DataGridView control

Question

Using winforms in vs2008. I have a DataGridView and I would like to detect when the vertical scroll bar is visible. What event should I register for?

I am adding the

Answer 1

Set the DGV last column's "AutoSizeMode" property to "Fill" and set the TextBox's Width property equal to dgv.Columns["lastcolumn"].Width.