Progress Telerik UI for WPF

AutoCompleteBox

Templates

RadAutoCompleteBox lets you easily create and utilize custom templates for each item in the control dropdown menu. You can use these templates to set your application look and feel.
Auto-Complete and Multi-Selection

Enable users to easily select values from a predefined list with the auto-complete functionality in RadAutoCompleteBox. Provide users with the option to select more than one item with the handy multi-selection feature.
"No Result" Functionality

RadAutoCompleteBox features a functionality to display a “no result” message when the search criteria did not match any items.