DirListBox displays a scrollable list box, with which users set the current folder on a drive. In this way, its purpose complements that of the DriveListBox control. You can use the DirListBox control to:

When you create a directory list box on your form, Visual Basic automatically displays the folders on the current drive as they appear when the program runs. You can use this information to size the directory list box object correctly. Be sure to allow room for at least four or five folders.