WF4

Imagine you want to create a library that supports different versions of .NET.  Of course there are multiple ways to do this but this is the technique that I have adopted for my CodePlex projects.  In this episode I'll show you the sample project I used to test out my targets files and how…

In this episode I'll show you our new and improved activities for loading XAML and invoking child workflows.  About 6 months ago we did a first release of these activities and the feedback came back with some changes we needed to make.  Now you canLoad XAML and set the LocalAssembly…

Create custom activities with Windows Workflow Foundation is easy, but creating a fully featured activity designer is not quite as easy.  In this episode I'll show you the tips and tricks of creating an activity designer to get you up and running quickly.LinksHow to create a Custom Activity…

Workflow in the cloud... it's like a silver lining just waiting to happen.  In this episode I'm joined by Josh Twist Workflow PM who will show you how you can use Workflow in Windows Azure AppFabric.Ron Jacobs http://blogs.msdn.com/rjacobs Twitter: @ronljacobs http://twitter.com/ronljacobs

In this video Steve Danielson, a Programming Writer on the WF team, gives a walkthrough of the WF4 State Machine Getting Started Tutorial from the MSDN documentation.LinksGetting Started Tutorial Completed Version of the WF4 Getting Started Tutorial .NET Framework 4 Platform Update 1 Overview…

Wondering how you can secure your Workflow Service? On this episode, I'm joined by Dave Cliffe who explains how Workflow Security works with WCF Security.Links:Windows Workflow Foundation (WF4) - Role Based Security for Workflow Services (Sample Code) Workflow Security Pack Ron Jacobs…

What happens to a Workflow if an attacker can lure the workflow host into running XAML which references an assembly replaced by the attacker?  This is what I call an Activity Assembly Spoofing attack.  On this episode I'll show you how it can happen, what you need to know about the…

Customers often ask meHow can I store my Workflow Service definitions (xamlx files) in a database with IIS and AppFabric?On this episode I'll show you how you can create a VirtualPathProvider that enables you to build a Workflow respository with a database.LinksWindows Workflow Foundation (WF4)…

Microsoft.Activities.Extensions is a library of cool stuff for Windows Workflow Foundation (WF4).  You can add Microsoft.Activities.Extensions to your project using NuGet.  In this episode I'll show you how we've updated the InvokeWorkflow activity to support tracking of child…

Wizards are a part of the web.Maybe you haven't thought of them as wizards, but multi-step processes such as checkout or registration are utilized by many websites. In this episode, Muhammad Usman from the Microsoft Product Quality team will show you the new system they are building to…