Override Winforms ComboBox Autocomplete Suggest Rule

Question

I\'m trying to modify the behaviour of a Windows.Forms ComboBox so that the AutoComplete drop down displays items according to the rules I specify.

By default, if you

Answer 1

Before Windows Vista, the Autocomplete object match candidates with prefix only, so you need to cook your own.

If you need to reset the suggestion list when it is visible, use IAutoCompleteDropDown::ResetEnumerator.