摘要：Why would I build custom activities? Three proper motivations are: Building reusable components Extending windows workflow Building a domain-specifice language How do I build custom activities? Two... 阅读全文

摘要：参照Workflow and the Outside world 阅读全文

摘要：CodeActivity The Code Activity's only interesting feature is its ExecuteCode event.We can write some code in the event. When the Code Activity is activitied, the code will be executed. It might seem ... 阅读全文

摘要：There are three way we can comunicate with workflow: Event（将外面的数据传递给WF InstanceEvents are used for sending data to a workflow） Method（把WF Instance里面的数据传递给Host应用程序 is used by workflows to send data t... 阅读全文