ComboBox AutoComplete Custom Capabilities

Question

How can I extend the AutoComplete feature of a WinForm ComboBox to, for example, find matches of items using a regular expression or for simplicity to find items that contai

Answer 1

For finding the existing list item that best matches what the user has typed, you can set the AutoCompleteMode property on the ComboBox to AutoCompleteMode.Append and the AutoCompleteSource to AutoCompleteSource.ListItems.

If you want to use more complex logic to perform the auto-complete, look at doing something with the TextChanged event. An Example