malaikuangren

摘要： ThePickactivity provides event-based control modeling. It behaves similar to the C#switchstatement, which executes only one of the branches in theswitchstatement. Unlike theswitchstatement in which a branch is executed based upon on a value, thePickactivity executes a branch based upon how an activi 阅读全文

摘要： Workflow 4.0是个全新的框架，重写了3.0/3.5中的的Runtime和Activity。在Workflow 4.0的Runtime和3.0/3.5中的Runtime的最大区别在于没有了WorkflowRuntime对应的类。在3.0/3.5中，我们需要先初始化WorkflowRuntime，并通过CreateInstance函数来建立工作流实例（WorkflowInstance）。4.0中的WorkflowApplication类和WorkflowInstance类对应，但是不需要通过WorkflowRuntime来实例化，可以通过new来实例化。Creating an insta 阅读全文