Telerik test studio - How to get value (Which is given by user) from AutoComplete input box

Question

I am new to telerik test studio and automating a WPF application. I am facing a Challenge while fetching the value from auto-complete input box. Its a Address box which provides the auto-populated list based on characters provided by user.

for e.g - If i have typed "United" in autocomplete box then i want to fetch this value and also the suggesstion given by auto-complete list.

Please help as i am stuck in this situation. Thanks in Advance guys..!