Presence Controls for Microsoft Office Communicator 2005

The

Presence Controls
are designed to provide presence information
and real time collaboration options to Microsoft Windows Forms, Web
Forms and GUI applications that are based on the Microsoft Win32
application programming interface. The controls provide developers
of these applications with the ability to drag-and-drop the control
from the toolbox in Visual Studio onto applications and provide
access to the capabilities of Communicator in an easy to
incorporate manner.