Document Revision History

This table describes the changes to UIPickerView Class Reference.

Date	Notes
2009-08-25	Improved descriptions for the `numberOfComponents` property and the `numberOfRowsInComponent:` instance method.
	Additional minor improvements throughout document.
2008-06-10	New document that describes the class used to implement a view that allows users to select values by rotating wheels.

Last updated: 2009-08-25

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