Managing Messages

Windows workflow provides a set of messaging activities that enable you to expose your workflow as a WCF service as well as call out to other services. There are a number of message-based activities, each designed to enable you to configure various message exchange patterns including Request-Response (or Send-Receive Reply). These activities also support correlation to make sure the right workflow instance gets the right message. Figure 23.16 shows the Messaging activities in the Toolbox.

Figure 23.16 You use the Messaging activities to define send and receive message constructs for your workflow.

image

The clearest way to learn the ...

Get Microsoft® Visual Studio® 2010 Unleashed now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.