What Is Messaging?
Messaging is the process of sending a completely encapsulated set of data between two application components. These messages provide a loose communications channel between the two components, as shown in Figure 22.1. Messages can travel in one or both directions. Messaging components can exist on the same thread, on different threads in the same process, in different processes on the same computer, or even in different processes on different computers with completely different architectures.
Figure 22.1. Message-based communication.
Windows messaging is a testament to the power and flexibility of message passing. The entire ...
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