Workflow and Application Communication 

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Windows Workflow Foundation supports local communication services in a workflow's hosting environment and Web service communications. For information about Web service communications, see Communicating with Other Workflows

Windows Workflow Foundation communication services enable a workflow to interact with an external system through messaging with methods and events. Events are used for sending data to a workflow, whereas, methods are used by the workflows to send data to the host application. The ability to communicate with workflows through events provides an asynchronous way to send data to a workflow.

For more information about Windows Workflow Foundation communication services, see Using Local Services in Workflows and Using Correlation in Workflows.

In This Section

Using Local Services in Workflows

Using Correlation in Workflows

Generating Communication Activities

Creating Custom Communication Activities

Communicating with Other Workflows

See Also

Concepts

Local Communication and Correlation Overview

Other Resources

Developing ASP.NET Workflow Applications
Windows Workflow Foundation Programming Guide

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