What AutoComponentComboBox are you looking at? The Flextras component supports this functionality, out of the box.
http://www.flextras.com/?event=ProductHome&productID=10 We also have a sample and some documentation on how to change the styling of the highlight. Sample: http://www.flextras.com/AutoCompleteComboBox/Samples/CustomRenderer/#app=9dea&ccaf-selectedIndex=1 Write up: http://www.flextras.com/blog/index.cfm/2010/1/19/Changing-the-Highlight-of-our-AutoCompleteComboBox Basically, you're on the right approach. The Flextras AutoCompleteComboBox uses a custom list data class which lets the renderer reference the typed text. --- In flexcoders@yahoogroups.com, "Mete Atamel" <meteata...@...> wrote: > > What I want to do is simple but I'm a little lost in terms of what to > overwrite, so I'm hoping someone can guide me in the right direction. Say I > have the following list of countries in my standard Flex ComboBox: > > Cameroon > Canada > Cayman Islands > > When the user types in "C", I want the "C" in country names to be highlighted > (bold) in ComboBox drop-down. If the user types "Ca", then I want "Ca" to be > bold in drop-down list of countries and so on. > > I found a AutoComplete ComboBox on the net that helps with adding text input > to ComboBox and matching it against country names in the combo-box, but I'm > wondering how I can achieve the highlighting of matched characters in the > drop-down. > > I'm assuming that I need to use item renderers and somehow dynamically change > the item renderer taking matched text input into account. Is this true or is > there another easier way of achieving this? >