State Machine Activities in WF

.NET Framework 4.5 provides several system-provided activities and activity designers for creating state machine workflows.

StateMachine Executes contained activities using the familiar state machine paradigm.
State Represents a state in a state machine.
FinalState Represents a terminating state in a state machine. FinalState is an activity designer that when used creates a State preconfigured as a terminating state. For more information, see FinalState Activity Designer.
Transition Represents the transition between two states. There is no Toolbox item for Transition; transitions are created on the workflow designer by dragging and dropping a line between two states, or by dropping a state on the triangles that appear when one state is hovered over another. For more information, see Transition Activity Designer.

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