Assembly: System.Workflow.Activities (in System.Workflow.Activities.dll)
Corresponds to the name of an event that is defined in an interface that was marked with the ExternalDataExchangeAttribute.
Corresponds to the name of the interface that was marked with the ExternalDataExchangeAttribute.
Defines an event delegate that is executed after the activity receives the expected event from the local service.
Identifies the valid user roles that are allowed to send messages from the host to this activity. The two types of supported roles are Active Directory and ASP.NET.