Today on endpoint.tv – Windows Server AppFabric in action

Before PDC I went to the Channel 9 studio and recorded an episode of endpoint.tv with Ian and Adam two of the program managers on the AppFabric team.  At the time we were still using the code name “Dublin” because we didn’t know for sure what the official name would be.  I had some trouble…

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WCF Security Spike – Day 2

We learn what he have to learn. Does that surprise anyone?  Some people have reacted with shock when I said that I don’t know WCF Security very well.  Others said that I was implying that evangelists are somehow inferior to their colleagues on the product teams.  Of course there are people with varying skills in…

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WCF Security Spike – Day 1

My first goal was to secure a service.  I’m happy to say I managed to get a service that allowed one user and didn’t allow another by using a PrincipalPermission with wsHttpBinding (I gave up on netTcpBinding for now – one monster at a time right?) I created a simple service and declared a service…

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WCF Security Is Hard

Ok… I said it.  Let’s just admit the truth for a second.  It is hard.  Recently somebody contacted me about a security problem and asked for me help.  I’m probably the wrong guy to ask.  After all, I’m an evangelist.  That means I create demos, labs etc. none of which use security (typically).  What that…

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Where can I get the Workflow Services Lab?

If you saw the walkthrough of the Workflow Services lab on Channel 9 you might be wondering where you can get the lab code.  This lab will be in the next update of the VS2010 training kit.  Until then I’ve posted a beta version of the lab here.

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How do I clear my AppFabric Databases?

Once you start to develop apps with Windows Server App Fabric you will quickly find that your AppFabric monitoring and persistence databases become cluttered with stuff.  From time to time you will want to clear out these databases. Here is the PowerShell script I use to get the job done.  Just copy these into a…

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WF4: How To Access Out Arguments

To get a value from your workflow you must access the dictionary of output arguments returned from the workflow. Note: This example is based on Visual Studio 2010 Beta 2 Consider a workflow that accepts two arguments Name Direction Argument Type UserName In String Greeting Out String The workflow uses an assign activity to set…

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WF4: Passing Arguments to Activities

In Windows Workflow Foundation .NET 4 (WF4) everything is an Activity.  That is a class that inherits from System.Activities.Activity.  Activities can have in, out or in/out arguments and do their work then the Activity.Execute() method is called.  You could think of them as being similar to a static method except for the fact that a…

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WCF Essentials – Great Stuff now online

Michelle Leroux Bustamante has written some great new papers for MSDN that you really should check out.  They are in the WCF Essentials series. What I like the most about these articles is that she gives really great practical advice.  For example check out this sentence from Getting Started with WCF “The default is PerSession…

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Testing a SendMail activity with WF4

Many applications send email.  After all it is the preferred binding for async app to human communication.  I noticed that many of my colleagues were creating samples that simulate email by dropping a text file into a directory.  Then they would open the file and copy and paste a GUID into a form.  There is…

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