Visual C++® 6 Unleashed

Chapter 32. Using ATL to Create MTS and COM+ Components

by Mickey Williams

In This Chapter

• Understanding Transactions

• COM+ and MTS Features

• An Example of a COM+ Application

This chapter discusses how you can use the Active Template Library (ATL) to build components that can be used with Microsoft Transaction Server (MTS) and COM+. Components used in MTS and COM+ must be small, lightweight, and scale well in environments where dozens, or perhaps hundreds, of instances of each component may be running at any given time. Visual C++ and ATL are tools that are well-suited to this task.

This chapter focuses on the basics of transactions, as well as the major features introduced with COM+ in Windows 2000. Code examples in this chapter will work for both MTS ...