The autocompletion options make the application very user-friendly. They automatically select or fill-in the first matching entry from the list as soon as the user starts typing.
This example demonstrates the different autocomplete modes of RadComboBox: Off, Suggest, Append, and SuggestAppend. The only thing you need to do is to set the AutoCompleteMode property to the proper mode and RadComboBox will automatically autocomplete all combo items:
Autocomplete may be case-sensitive or case-insensitive.