Tech Tutorials
VB.NET
The windows Forms System.Windows.DomainUpDown control looks like a combination of a text box and a pair of buttons for moving up or down through a list. This control displays and sets a text string from a list of choices.
You can select the string by clicking up and down buttons to navigate through a list. Alternatively you can press the UP and DOWN Arrow keys or just type a string that matches an item in the list. You can use this control to select items from an alphabetically sorted list of names. This controls functions like ListBox but it takes up less space comparatively.
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VB.NET 2005 Tutorials: DomainUpDown and NumericUpDown