Microsoft office Outlook 2007 Instant Search options control name

Hi,

        I am working on C#.Net project with infragistics. My project i want to implement search options, like Microsoft office Outlook 2007 search functionality. For that which infragistics tool i have to use, how to implement same Microsoft office Outlook 2007 search functionality in my project.

 For that i want to know which control they are using in Microsoft office Outlook 2007 Instant Search options  functionality.

Thanks