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A list box is a GUI widget that allows the user to select one or more items from a list contained within a static, multiple line text box. The user clicks inside the box on an item to select it, sometimes in combination with the Shift key or Control key in order to make multiple selections. "Control-clicking" an item that has already be selected, unselects it.
A list box is called
select1 in the XForms standard. Select is used for allowing the user to select many items from a list whereas
select1 only allows the user to select a single item from a list.
See also 
- Drop down list - Like a list box, but not permanently expanded to show the elements of the list.
- Combo box - Like a drop down list, but users also can make entries not on the list.
- ^ (Command for Mac users)