Why is WF appropriate for coordinating long-running work? Let's take a look. Scenario: a simple expense approval service. You work for the IT department of a business and your boss asks you to build an expense approval service. It has the do the following...

(Standard disclaimer: I attempt to ensure accuracy, but if your cat dies as a result of this post, I take no responsibility.) Ever wondered how the WF scheduler works under the hood? Our workflows usually run exactly as expected (from a scheduling...

WF programs in 4.0 beta 2 can be loaded dynamically at runtime instead of needing to be statically linked in.  Here’s an example: static void Main( string [] args) { using (FileStream fs = new FileStream( @"..\..\Workflow1.xaml" , FileMode...

Hot off the presses, and no lines to wait through: WCF/WF 4.0 Beta2 samples contain the best info about how to use the goodness http://go.microsoft.com/fwlink/?LinkId=150780 .

I stumbled upon this post by Nate Talbert http://blogs.msdn.com/advancedworkflow/archive/2006/02/23/538160.aspx explaining why a workflow instance is single-threaded. Some of the exact implementation details are a little bit out-of-date now that WF 4...