To expand a tree view
||Use the Windows Designer catalog to open the window or dialog
that contains the tree view.
||On the Visual tab page of the Property Inspector, set the
Expand Tree property to Yes if you want the tree view initially
fully be expanded.
||If you want the tree view initially to only be expanded with
<n> levels, reset the Expand Tree property to No, and set the
Expand Tree property to <n>.