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→The DatePicker and PickerView Components
The picker is composed of multiple wheels referred to as components each of which spins independently of the others (at least by default since it is also possible to make components dependent on each another). Each item on a wheel represents an option and is referred to as a row. A row in a component is deemed to be selected when it is positioned beneath the highlighted strip. For example, the above figure shows the Feb 2 row as being selected in the far left hand component.
The UIDatePicker component is a pre-configured class designed specifically for the selection of dates and times. The UIPickerView class, on the other hand, allows for the creation of custom picker controls and will explored in [[An iOS 4 iPad Multiple Component UIPickerView Example (Xcode 4)|An iOS 4 iPad Multiple Component UIPickerView Example]].
== A DatePicker Example ==
