TFS Workflow Control is a work item custom control for Team Explorer and Team System Web Access 2008 and 2010 . It shows the previous states of the current work item.
Team Explorer control:
Web control:Project History
The workflow is the same as in Fissum application (http://fissum.codeplex.comHow to use the workflow control?
The workflow control must be installed on each computer from where the work item will be edited. Use the process template editor on a computer where the workflow in installed to add a new element in the layout of the work item types: