QuickChoicePropertyEditor is a ASP.NET Property Editor for Reference Properties. It intended for quick select an object in a long Lookup list. During the work with editor the list of objects is loaded partially. Loading occurs when user scrolls the list or type a part of the word.
To see the QuickChoicePropertyEditor in action, refer to the Editors|LookupEditors|Quick Choice Property Editor section in the Feature Center demo installed with Xafari.
To learn more about the ASPxQuickChoicePropertyEditor, refer to the following documents: