[Update! There are some bugs with the attached code, see the sequel post for discussion of bug fixes.] My workmate Ramraj mentioned that a long way back (during earlier milestones of WF 4.0) something was invented for XAML called a property reference , which was a feature that in the workflow designer...

(Subtitle: Why you need IActivityTemplateFactory) Another forum post reminded me of one thing about ActivityAction that throws me for a loop every time. Every time, that is, that I'm rehosting workflow designer or creating new custom activities, so maybe not that often but it's kind of annoying. ...