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I am trying to create an autocomplete textbox in WPF. What i found is http://weblogs.asp.net/okloeten/archive/2007/11/12/5088649.aspx. It seems quite close to what i needed. The only thing missing in this is when i press down arrow key after typing some characters it does not allow to me select an item from the narrowed list in dropdown.
Please give me some pointers how can i allow to select item using up/down keys after filtering list using some text input.
Regards.
There have been many implementations already for an autocompletebox. So as swiszcz stated, look for a working & well documented project. You need not spend time on trying to tweak some particular code for too long, when other options are available.
I have used an AutoCompleteBox implementation by Aviad P for many projects and found it easy enough to tweak and suite my needs. I feel the code is well documentated in the blog article itself. Also it uses a textbox & listbox (rather than a combobox) which is in my opinion, a better choice.