 Matt Winkler Program Manager Microsoft corporation TL21

Host (.exe, IIS, "Dublin",.NET Services, …) WF Runtime Extensions Tracking Persistence … … Tooling VS Designer VS Debugger Rehosted Designer Workflow Activity Library

Work Data

Activity model and runtime Control Flow activities FlowchartSequential State machine Rules Custom activities Base Activity library WCF messaging DatabasePowerShell Error handling Expressions Interop Utilities WF primitives BPEL SharepointDynamics Systems center HPC Team Foundation server

Activity Overview

CollectVotes InArgument Polling Place InArgument ElectionDate OutArgument > Votes

Sequence CollectVotes Polling Place ElectionDate Votes AnalyzeVotes Votes Results Variable > Votes

Calculate Pi InArgument DecimalPlaces OutArgument PiAsString Execute Completed Atomic execution

Prompt InArgument Question OutArgument Response Execute Completed Bookmark Resume Continuation, Long Running, or Reactive Execution yield

Call 2 friends Call Ed Call Kenny Execute Completed Composite execution Schedule activity Child completed yield

Executing Closed Canceled Faulted

Activity Data driven Declares managed state (arguments, variables) Execution logic is activities Data driven Declares managed state (arguments, variables) Execution logic is activities WorkflowElement Declares managed state (arguments, variables) Execution logic is opaque code Interact directly with runtime Declares managed state (arguments, variables) Execution logic is opaque code Interact directly with runtime

Infrastructure XAML Model instance Model item tree WorkflowViewElement WorkflowItemPresenter WorkflowItemsPresenter ExpressionTextBox

One More Thing…

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