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)
is the abstract base class from which the 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.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.