[This post is Part 1 of a series on writing custom activity designers. Part 2 - Part 3 - Part 4 – Part 5 – Part 6 – Part 7 ] Motivation: Building an activity like Flowchart Creating composite activities and designers in Workflow Foundation 4.0 is really...

(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...

or, Workflow Execution Properties for custom data passing. I wrote this after seeing a few forum posts from the Workflow Foundation Beta Forum on the same basic theme. Workflow 4.0 Arguments and Variables certainly do work for passing data to and from...