The abstract base class representing a field or a property to be extracted from a workflow instance and its associated annotations.
Assembly: System.Workflow.Runtime (in System.Workflow.Runtime.dll)
When implemented in a derived class, initializes a new instance of theclass.
Determines whether the specified object is equal to the current object.(Inherited from Object.)
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)
Serves as the default hash function. (Inherited from Object.)
Returns a string that represents the current object.(Inherited from Object.)
This material discusses types and namespaces that are obsolete. For more information, see Deprecated Types in Windows Workflow Foundation 4.5.
ActivityDataTrackingExtract class and the WorkflowDataTrackingExtract class are derived. An ActivityDataTrackingExtract specifies a field or a property to be extracted from the activity associated with a tracking event and a WorkflowDataTrackingExtract specifies a field or a property to be extracted from the root activity of the workflow instance.is the abstract base class from which the
Available since 3.0
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.