WF Event Activities (1)

I've been spending some time digging into Windows Workflow Foundation, in particular looking at how to implement good (and complex) custom activities. One of the topics I've found more interesting is implementing Event Activities, which are those that can be used as the first child activity in an EventDrivenActivity (either...

Programming Windows Presentation Foundation

I got a copy of Programming Windows Presentation Foundation by Chris Sells and Ian Griffiths a few weeks ago. Though I really haven't been looking into WPF so far, I figured at the least I should be familiar with it and start learning it (though I'm focusing mostly on other...

WSCF 0.6 Released

My good friend Christian and the folks at Thinktecture have released version 0.6 of WSCF, which is built for Visual Studio 2005 and the .NET framework v2.0. You can read about the cool new features here. Congratulations, and enjoy!

DasBlog 1.8 Pingbacks not working

After my dasBlog 1.8 installation, I noticed that it doesn't seem to be able to handle pingbacks. Well, actually it accepts the pingback just fine from the remote server, generates the notification email correctly, but fails to save it to the .dayfeedback.xml file. Instead, I see this in dasBlog event...

WCF, WS-RM and Partial Trust

The discussion about Reliable Messaging and WCF is widening today with comments from Clemens, Shy Cohen and even Dare Obasanjo. This is quite an interesting discussion which offers those of us that haven't followed the specs recently a glimpse about the kind of services offered by WS-ReliableMessaging and how WCF...

Simple WF Activity Validator

If you're building custom Windows Workflow Foundation activities, then you'll likely want to write your own custom ActivityValidator-derived classes, in order to provide your own custom validation logic to ensure activities are correctly configured at design time. Here's a very simple sample ActivityValidator class: </p>    /// </span></span></p></p>    ///...

WF and Type properties

When creating a new custom activity for Windows Workflow Foundation, you might want to define a property on your activity of type System.Type. An example of a property that does this would be the InterfaceType property of the HandleExternalEventActivity. Of course, you'd like it to be so that you could...

Minor dasBlog problems

After the dasBlog migration this weekend, I discover a one issue that is causing some of the posts I imported to dasBlog not to be displayed. Sort of.Most individual posts will show up correctly, and all will be displayed correctly on the per-date pages. Except, for a few entries that...

DasBlog 1.8 Migration done

I've just completed the migration of my blog from the old (really old) Movable Type version I was using to dasBlog 1.8. It was actually a lot less painful than I expected, but I was able to take advantage of MT's very powerful templates to pretty much generate all the...

WCF ASP.NET Compatibility Mode

My friend Gustavo pointed me over to Wenlong Dong's blog and his article on the ASP.NET Compatibility Mode for WCF services hosted in IIS. Good stuff. The articles explains quite a bit of what goes behind hosted WCF services and how they interact with the ASP.NET engine. One observation in...