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Calling Workflow Services without Add Service Reference

Sometimes you just don’t want to do an Add Service reference in the client application but still be able to to call a WF4 workflow service. The good thing is that a WF4 workflow service is just another WCF service from the client perspective so almost everything you can do with a regular WCF service...

Posted to The Problem Solver by Maurice on Tue, Nov 23 2010
Filed under: Filed under: .NET, NetFx3, Workflow, WF4, VS2010
Workflow 4 and Visual Basic expressions

Note: This blog post is written using the .NET framework 4.0 Beta 2 When using Windows Workflow Foundation 4 you often need to enter expression in some activity property. The new thing is these expressions are all in the Visual Basic dialect regardless of what language you project is in. So when developing...

Posted to The Problem Solver by Maurice on Mon, Oct 26 2009
Filed under: Filed under: .NET, NetFx3, Workflow, VB, WF4, VS2010
Sending your own objects to a WF4 workflow

In the previous two blog posts ( here and here ) I showed how to create and expose a Windows Workflow Foundation 4 workflow via WCF and have both a workflow and a regular C# client work with it. But the parameter and return value where real simple with just a string each. So how about passing some more...

Posted to The Problem Solver by Maurice on Thu, Aug 20 2009
Filed under: Filed under: .NET, NetFx3, Workflow, WCF, DevCenter, WF4, VS2010
Using Windows Workflow Foundation 4 Receive from an non WF client

In a previous blog post I described how to use the WorkflowServiceHost and host a workflow with a Receive activity that waits for WCF messages. I also added a WF4 client that called the service and received a response. However a lot of clients out there are not going to be workflows but “regular” code...

Posted to The Problem Solver by Maurice on Wed, Aug 19 2009
Filed under: Filed under: .NET, NetFx3, Workflow, WCF, WF4, VS2010

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Calling Workflow Services without Add Service Reference

Workflow 4 and Visual Basic expressions

Sending your own objects to a WF4 workflow

Using Windows Workflow Foundation 4 Receive from an non WF client