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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)
public ReadOnlyCollection<string> StateHistory { get; }

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.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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