[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 easy when you use WorkflowItemPresenter and WorkflowItemsPresenter...

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 Activities in your workflow - but sometimes they...