The document discusses asynchronous programming patterns in C#, including synchronous calls, the event-based asynchronous pattern (EAP), the asynchronous programming model (APM), the task asynchronous pattern (TAP), and composing tasks. It also mentions performance considerations, progress reporting, cancellation, and asynchronous support in ASP.NET, WCF, and Windows 8. The presentation covers asynchronous programming techniques that are easy for beginners through more advanced patterns.

1. Friends don’t let friends
use callbacks
Sorin DAMIAN
RomSoft
26 Nov 2011

2. Agenda
Synchronous calls
Event-Based Asynchronous Pattern (EAP)
Asynchronous Programming Model (APM)
Task Asynchronous Pattern
(even grandma can do it!)
“await” – behind the scene
Composing tasks

3. Synchronous calls

4. Event-Based Asynchronous Pattern
(EAP)

5. Asynchronous Programming Model
(APM)

6. Asynchronous Programming Model
(APM)

7. Task Asynchronous Pattern (TAP)

8. Behind the scene

9. Composing tasks
Expressions
Task.Delay()
Task.Yield()
Task combinators
 Task.WhenAll()
 Task.WhenAny()

10. What we haven’t seen
Performance considerations
Reporting progress and cancellation
Async support in:
 ASP.NET
 WCF
 Windows 8 (WinRT)

11. await Q&A