TrackingExtract Class
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TrackingExtract Class

Note: This API is now obsolete.

The abstract base class representing a field or a property to be extracted from a workflow instance and its associated annotations.

Namespace:   System.Workflow.Runtime.Tracking
Assembly:  System.Workflow.Runtime (in System.Workflow.Runtime.dll)

<ObsoleteAttribute("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")>
Public MustInherit Class TrackingExtract


When implemented in a derived class, initializes a new instance of the TrackingExtract class.


When implemented in a derived class, gets the annotations associated with the extracted data.


When implemented in a derived class, gets or sets the name of the field or property to be extracted.


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.)


Gets the Type of the current instance.(Inherited from Object.)


Creates a shallow copy of the current Object.(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.

TrackingExtract 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.

.NET Framework
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.

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