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Online presentation: Meet the New Workflow WF4

Tomorrow I will be doing an online presentation about Windows Workflow Foundation 4. The meeting lasts 1 hour and starts at 4PM European time, 3PM UTC or 7AM PST. The goal is to provide an overview of WF4 and how to get started with it in Visual Studio 2010. I will be doing the meeting using LiveMeeting...

Posted to The Problem Solver by Maurice on Mon, Nov 30 2009
Filed under: Filed under: .NET, Workflow, webcast, DevCenter, WF4, VS2010
WF4&WCF and message correlation

Note: This blog post is written using the .NET framework 4.0 Beta 2 In the previous blog posts, here , here and here , I demonstrated how to use WCF from WF4. This same some more about sending multiple messages to the same workflow, AKA Workflow Correlation. One of the ugly parts of Windows...

Posted to The Problem Solver by Maurice on Wed, Sep 2 2009
Filed under: Filed under: .NET, Workflow, WCF, DevCenter, 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
What does Windows Workflow Foundation 4 mean for existing workflow developers?

The question of what Windows Workflow Foundation version 4 means for developers currently developing using WF recently came up. As I mentioned before WF 4 is a complete rewrite and doesn’t use any of the existing WF 3 classes. The design of WF 4 is even quite different from the design of WF 3...

Posted to The Problem Solver by Maurice on Fri, Jul 3 2009
Filed under: Filed under: .NET, NetFx3, Workflow, DevCenter, WF4
Passing data into a Windows Workflow Foundation 4 workflow

Passing parameters into a workflow is similar in WF4 as it was in WF3. In both case a Dictionary<string, object> is passed in when creating the workflow instance object. Alternatively when using the WF4 WorkflowInvoker you can pass it into the Invoke() method. This is quite simple but I have never...

Posted to The Problem Solver by Maurice on Tue, Jun 30 2009
Filed under: Filed under: .NET, Workflow, VB, DevCenter, WF4, VS2010
The new Windows Workflow Foundation 4 runtime

With WF3 there was a central workflow runtime environment called the WorkflowRuntime and used to manage the lifetime of workflow instances. In WF4 this central class no longer exists and we manage individual workflows. To compare the two, this is what a minimal console application looks like in WF3....

Posted to The Problem Solver by Maurice on Tue, Jun 23 2009
Filed under: Filed under: .NET, Workflow, DevCenter, WF4, VS2010
Getting started with Windows Workflow Foundation 4

As you may have heard Windows Workflow Foundation 4 is not an upgrade from Windows Workflow Foundation 3 (or 3.5). The version numbers might suggest that the previous version was quite mature but in fact it refers to the version of the .NET framework. In fact Windows Workflow Foundation 3 was the first...

Posted to The Problem Solver by Maurice on Mon, Jun 22 2009
Filed under: Filed under: .NET, Workflow, DevCenter, WF4, VS2010
Looking back at the MVP Summit

Last week lots of MVP, myself included, where in Redmond visiting Microsoft on our yearly MVP pilgrimage. The MVP Summit is always a great event. Not only do we get to talk to the MS team members who actually design and build all the software we love and use but we also get to meet each other. And with...

Posted to The Problem Solver by Maurice on Sat, Mar 7 2009
Filed under: Filed under: .NET, LINQ, NetFx3, Workflow, WCF, VB, DevCenter, WPF, Silverlight, WF4
Goodbye XOML, hello XAMLX

In the next version of workflow we are going to leave the XOML extension behind us. Creating workflow's or custom activities using markup will create a XAML file instead of the now familiar XOML file. That doesn't mean we are moving to exactly the same same format as WPF as WF is quite different...

Posted to The Problem Solver by Maurice on Tue, Nov 11 2008
Filed under: Filed under: .NET, Workflow, WCF, DevCenter, WF4

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