WPF Combo Box Editor
The cross-platform Combo Editor is a virtualized, data bound dropdown list with a text field that functions in either a Select or Edit mode.
WPF 샘플 다운로드Using SelectionChanged Event
Users can edit or select one or more items from the fully-featured, data bound xamComboEditor.
Using DataTemplates for Combo Editor
Customize the visual representation of items using a DataTemplate.