StateMachineWorkflowInstance Class

Definition

Namespace:

System.Workflow.Activities

Assembly:

System.Workflow.Activities.dll

Caution

The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*

Represents a class that manages the current instance of a StateMachineWorkflowActivity. This class cannot be inherited.

public ref class StateMachineWorkflowInstance sealed

[System.Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
public sealed class StateMachineWorkflowInstance

[<System.Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")>]
type StateMachineWorkflowInstance = class

Public NotInheritable Class StateMachineWorkflowInstance

Inheritance

Object

StateMachineWorkflowInstance

Attributes

ObsoleteAttribute

Remarks

Note

This material discusses types and namespaces that are obsolete. For more information, see Deprecated Types in Windows Workflow Foundation 4.5.

This class also provides the query interface over the current instance of the StateMachineWorkflowActivity. By using an instance of this class, you can make various queries on the StateMachineWorkflowInstance.

Typical queries that can be made are as follows:

• Current state of the state machine.

• Possible transitions from the current state.

• History of transitions for the state machine instance.

• Enumeration of all the states in the state machine.

Constructors

StateMachineWorkflowInstance(WorkflowRuntime, Guid)

Initializes a new instance of the StateMachineWorkflowInstance class.

Properties

CurrentState	Gets the currently executing StateActivity.
CurrentStateName	Gets the name of the current StateActivity.
InstanceId	Gets the Guid that indicates the current instance of the StateMachineWorkflowActivity.
PossibleStateTransitions	Gets a collection of state transitions that the current StateActivity can make.
StateHistory	Gets a collection of state activities that the state machine workflow instance has transitioned through.
StateMachineWorkflow	Gets the latest definition of the StateMachineWorkflowActivity.
States	Gets a list of StateActivity classes in the StateMachineWorkflow.
WorkflowInstance	Gets the current WorkflowInstance.

Methods

EnqueueItem(IComparable, Object)	Posts a message to the StateMachineWorkflowInstance.
EnqueueItem(IComparable, Object, IPendingWork, Object)	Posts a message to the StateMachineWorkflowInstance.
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
SetState(StateActivity)	Provides a transition to a specified StateActivity.
SetState(String)	Provides a transition to a specified StateActivity using the name of the StateActivity.
ToString()	Returns a string that represents the current object. (Inherited from Object)