StateMachineWorkflowInstance.StateHistory Property
Gets a collection of state activities that the state machine workflow instance has transitioned through.
Namespace: System.Workflow.Activities
Assembly: System.Workflow.Activities (in System.Workflow.Activities.dll)
Property Value
Type: System.Collections.ObjectModel.ReadOnlyCollection<String>A collection of transitions that the StateActivity has made.
This property only returns the state history if the SqlTrackingService is used. An InvalidOperationException occurs if the SqlTrackingService is not installed. If there is no state history for a newly created instance, state history is created without the instance being started.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.