1.  Matt Winkler Program Manager Microsoft corporation http://blogs.msdn.com/mwinkle TL21

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

4. Work Data

5. 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

8. Activity Overview

9. CollectVotes InArgument Polling Place InArgument ElectionDate OutArgument > Votes

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

11. Calculate Pi InArgument DecimalPlaces OutArgument PiAsString Execute Completed Atomic execution

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

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

14. Executing Closed Canceled Faulted

16. 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

20. Infrastructure XAML Model instance Model item tree WorkflowViewElement WorkflowItemPresenter WorkflowItemsPresenter ExpressionTextBox

23. One More Thing…

25. Please fill out your evaluation for this session at: This session will be available as a recording at: www.microsoftpdc.com

27. © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.