This chapter focuses on strategies for dealing with existing WF 3.0 or 3.5 applications (WF 3.x). The chapter begins with an overview of the migration strategies that are available to you. Following this, the
Interop activity is discussed and demonstrated. This activity enables you to execute some WF 3.x activities within the WF 4 runtime environment.
Several specific migration scenarios are demonstrated next. The use of the WF 3.x
ExternalDataExchangeService with WF 4 workflows is demonstrated followed by two examples that use the WF 3.x rules engine.
Note This chapter presents information that should interest existing WF 3.x developers and ...