Basic Usage of SendParameters and ReceiveParameters Activities

  • Article

This topic applies to Windows Workflow Foundation 4 (WF4).

This sample shows the use of SendParametersContent and ReceiveParametersContent activities. The service exposes one operation that takes a string argument and echoes the input back to the client. The sample shows how to set up the parameters for these messaging activities.

Dd807376.Important(en-us,VS.100).gif Note:
The samples may already be installed on your machine. Check for the following (default) directory before continuing.

<InstallDrive>:\WF_WCF_Samples

If this directory does not exist, go to Windows Communication Foundation (WCF) and Windows Workflow Foundation (WF) Samples for .NET Framework 4 to download all Windows Communication Foundation (WCF) and WF samples. This sample is located in the following directory.

<InstallDrive>:\WF_WCF_Samples\WF\Basic\Services\SendReceiveParameters

Using this sample

  1. Load the project solution in Visual Studio 2010 and build the project.

  2. First run the EchoWorkflowService application generated in [solution base directory]\EchoWorkflowService\bin\debug.

  3. Second, run the EchoWorkflowClient application generated in [solution base directory]\EchoWorkflowClient\bin\debug.

  4. The client calls Echo operation on the service and prints the results. When complete, press ENTER to exit the client and then the service.