Have Microsoft rewritten Windows Workflow Foundation in .NET 4.0?

StackOverflow https://stackoverflow.com/questions/932312

  •  06-09-2019
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Question

I heard from a friend that Microsoft rewrote all the Windows Workflow Foundation (WF) again and changed everything was in .Net 3.5.

Is that true?

And what about what we learned about WF in 3.0 and 3.5?

Was it helpful?

Solution

According to this article:

http://visualstudiomagazine.com/articles/2009/01/01/windows-workflow-changes-direction.aspx

Windows Workflow Foundation 4.0 is a "bottom-up rewrite with entirely new thinking...WF 3.0/3.5 will remain part of the framework and will run side by side with WF 4.0. This lets you manage the transition at a time that fits your organization's broader goals."

...which is code for, "We know we just screwed up your programming model, but we have a long term strategy, so we hope you will forgive us."

The article goes on to say that

The gains are enormous: custom activities take center stage, and authoring them is much simpler; workflows are entirely declarative; and there are three workflow flow styles that you can combine seamlessly. It's possible that you could see a 10-fold improvement in the time required to create and debug workflows, in addition to 10- to 100-fold runtime performance improvements.

The change is not without its detractors. In this article at DotNetKicks, the author states that "Microsoft is seriously damaging the Dot Net developer community and adoption in the industry with these half baked product releases and abrupt about-faces after shipping."

Which is why I generally wait for the 2.0 or 3.0 version of Microsoft technologies, although I made an exception for ASP.NET MVC.

OTHER TIPS

We found the workflow product to be difficult to wrap your head around when it came time to pass data in and out. Scott Allen had a series of articles that did a good job describing the process, but still this was not at an easy task.

That's what the word on the street is. And on the internet. 3.0 and 3.5 will be deprecated, but still available.

Is this change not in Visual Studio 2010 beta 1? Download it, find out, and tell Microsoft what you think of it.

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