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List boxes and combo boxes present a list of choices to the user. By default, the choices are displayed vertically in a single column, although you can set up multiple columns as well. If the number of items exceeds what can be displayed in the combo box or list box, scroll bars automatically appear on the control. The user can then scroll up and down or left to right through the list.

A combo box control combines the features of a text box and a list box. This control allows the user to select either by typing text into the combo box or by selecting an item from its list.