Check out this illustration of the functions of COM Single Thread Apartment (STA), Multithread Apartment (MTA), and ATL Auto-thread Module with a testing client-server application.
In the first part of a two-part series on COM apartments, Jeff Prosise describes what apartments are, why they exist, and how to avoid the problems that they introduce.
In the completion of his two-part series on understanding COM apartments, Jeff Prosise illustrates why the lessons learned in last month's discussion of COM apartments are so important by giving concrete examples of how this knowledge can help you develop better and more efficient COM applications.
