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  • Blog Post: Making Swiss Cheese Look Good, or Designers for ActivityAction in WF4

    In my last post , I covered using ActivityAction in order to provide a schematized callback, or hole, for the consumers of your activity to supply.  What I didn’t cover, and what I intend to here, is how to create a designer for that. If you’ve been following along, or have written a few designers...
  • Blog Post: WF4 Designer Bloggers

    I wanted to put a quick note up as the team is starting to blog a little more frequently and putting some interesting content out there.  A few places to check out to hear from the folks on the team Endpoint – This is the general WF team blog, and has had some good posts Going to PDC? Want to Meet...
  • Blog Post: Navigating the WF4 Beta 2 Samples

    Hot off the presses (and the download center) come the WF4 Beta 2 samples here .  The team has invested a lot of time into these samples and they provide a good way to get up to speed on the way a particular feature or group of features work together. Note, there are 2300 files to be unzipped, so...
  • Blog Post: Introduction to WF Designer Rehosting (Part 2)

    standard beta disclaimer.  This is written against the beta1 API’s.  If this is 2014, the bits will look different.  When the bits update, I will make sure to have a new post that updates these (or points to SDK samples that do) In yesterday’s post, we went over the core components of...
  • Blog Post: Introduction to WF Designer Rehosting (Part 1)

    standard beta disclaimer.  This is written against the beta1 API’s.  If this is 2014, the bits will look different.  When the bits update, I will make sure to have a new post that updates these (or points to SDK samples that do)   In WF3, we allowed our customers to rehost the WF...
  • Blog Post: Types, Metatypes and Bears, Oh my!

    ***** UPDATE: Please see this post for how these features and functionality work in Beta2 ***** image courtesy of flickr user chodhound This post comes about after a little conversation on the forums where I was talking about using the xaml stack save and load objects. Here’s what I said...
  • Blog Post: Introducing the WF4 Designer

    // standard disclaimer applies, this is based on the released Beta 1 bits, things are subject to change, if you are reading this in 2012, things may be, look, smell, work differently.  That said, if it’s 2012 and you’re reading this, drop me a line and let me know how you found this!   As you...
  • Blog Post: 10-4 Good Buddy, First Look at WF 4

    Our WF evangelist, Ron Jacobs , just posted a 10-4 screencast that walks through WF4 as it's looking in VS 2010.  This is a good first look at our bits since PDC (we've changed things a little bit).  I really like that he takes it from a unit testing perspective.  There are certainly things...
  • Blog Post: WF 4.0 -- Designer Type Visibility

    One of the exercises I'm going through now is scrubbing our API and taking a hard look at types marked as public and trying to decide "does it really need to be public."  While on first blush, you can What I'd love to get from folks are answers to the following questions: Were there designer...
  • Blog Post: Endpoint.tv Talks Tracking

    I heard that the folks that bring you endpoint.tv are doing a two part series on Workflow Tracking in 3.0/3.5.  This is one of my favorite feature areas in 3.0/3.5, and one that I think is not talked about too often.  The team built a lot of functionality in there besides the very basic "emit...
  • Blog Post: Thoughts on Waiting until 20xx for WF

    Usual msblog disclaimer applies, this represents my opinion! While I was on break, a number of folks pinged me asking me about this blog post by Tad Anderson. I find the investment in time to learn how to use 3.0/3.5 has been a complete waste time. So we have release 1.0 and 1.5 of WWF becoming...
  • Blog Post: Which WF/WCF Talks Should You Attend at PDC?

    Just got the email the other day that PDC is less than 4 weeks away, and it got me thinking a bit about how I would think about these sessions as an attendee.  Searching on the PDC site will yield 8 talks tagged with WF.   Here's how I break some of these these down, the first few are...
  • Blog Post: More Details On WF/WCF in .NET 4.0

    Steve Martin , a director of product management for CSD, has a blog post containing more information on the work that we are doing for the next versions of WF and WCF that we will release as a CTP at PDC.  He also introduces "Dublin," the name for our efforts around creating a manageable...
  • Blog Post: Advanced Workflow Service Talk (Demo 4 of 4)

    When we start doing this two way style of messaging, we now open up to start modeling some interesting business problems.  In the previous post, you'll note that I did not include the code, because I mentioned we needed to be more clever in scenarios where we listen in parallel.  First, a brief...
  • Blog Post: Advanced Workflow Services Talk (Demo 3 of 4)

    So, we've seen in part 1 how to manage context, we saw in part 2 how we can take that basic knowledge to do duplex messaging.  Once we start doing duplex work, there are some interesting patterns, and the first one is one that we like to call "long running work".  Why are we interested...
  • Blog Post: Q & A on Advanced Workflow Services talk

    Martin posted an interesting question here on my last post: <quote> The first thing that we need to do in order to enable this duplex messaging to occur is that the "client" workflow has to explicitly provide its context token to the service so that the service can address the appropriate...
  • Blog Post: Advanced Workflow Services Talk (Demo 2 of 4)

    A continuation of my series of demos from my advanced workflow services talk.  Here we focus on duplex message exchange patterns. Duplex messaging is something that we model at the application level (as opposed to the infrastructure level) because we want to model that message exchange at the level...
  • Blog Post: Advanced Workflow Services Talk (Demo 1 of 4)

    So, last week I wrapped up a conversation at TechReady, our internal conference, where I was talking about the integration between WF and WCF in .NET 3.5.  This talk was somewhat bittersweet, it's the last conference where I'm scheduled to talk about WF 3.0/3.5, I'll start talking about WF 4.0 at...
  • Blog Post: Usability Testing the WF Designer vNext (or, Yelling at Customers)

    One of the things that my team is working on is the next version of the workflow designer.  In order to help us get real feedback, we engaged with our usability teams to design and execute a usability study.  For details on what the test looks like (when we did them 3 years ago for the first...
  • Blog Post: We're Hiring

    My team is looking for people interested in building the next generation of the WF designer.  We've posted an opening here , please let me know if you're interested.  I can't really say too much about what we're building, but it's a great team that's committed to creating a great experience...
  • Blog Post: You say XAML, I say XOML, PoTAYto, PoTAHto, let's call the whole thing off

    With all due respect to George and Ira Gershwin , I have a quick question for the readers of this blog.  In V1, we have an interesting scenario is talked about frequently, and that's the file extension of our xml form of workflow.  When we debuted at PDC05, there existed an XML representation...
  • Blog Post: Workflows that don't start with a Receive

    A question recently came up on an internal list about how to start a workflow to do some work and then have it accept a message via a Receive activity.  This led to an interesting discussion that provides some insight into how the WorkflowServiceHost instantiates workflows in conjunction with the...
  • Blog Post: mwinkle.SetState("newRole")

    I'm moving on from my role as the technical evangelist for WF, but not too far.  I've joined the product team, working as a program manager (PM) for the Connected Tools team.  The job of the connected tools team is to provide all of the tools for the technologies inside the Oslo effort, including...
  • Blog Post: Regarding Re-use of Context-aware Proxies

    Yesterday, following my "What's the context for this conversation" presentation, I was approached with the following question: I am sharing a singleton client that I want to use to interact with multiple workflow instances, how do I change the context for each of them. Completely unbeknownst...
  • Blog Post: SOA&BP Conference Announcements, "Oslo"

    This morning at the SOA&BP Conference, we talked about Oslo for the first time.  For me, this is a big day, as it marks the point where the rest of the world knows what a lot of people have been and will continue to be working on.  Robert Wahbe , the VP of Connected Systems, mentioned in...
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