This is the base class for Workflow Event Receivers. This class is never instantiated.
(in Microsoft.SharePoint.dll)Available in Sandboxed Solutions: Yes
Available in SharePoint Online
public class SPWorkflowEventReceiver : SPEventReceiverBase,
A workflow event receiver class must derive from this class and override the methods for the event types it wants to handle.
Any public static
in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.