# IAutoComplete I was playing with the [SHAutoComplete API call and the IAutoComplete (2)](https://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/programmersguide/shell_int/shell_int_programming/ac_ovw.asp) interface last night (adding auto-complete to an application of mine) and I found a neat article and related component on CodeProject... ### [C# does Shell, Part 4](https://www.codeproject.com/csharp/csdoesshell4.asp) by Arik Poznanski This article is about the AutoComplete features provided by Windows and how to use them with C#. AutoComplete is the ability to expand strings entered into an edit box. The article will develop a class for using this functionality in your applications. ![](https://www.httpcode.com/Articles/autocomplete.gif)