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Whats new in .net framework 4
- 1. Visual Studio 2010 and .NET Framework 4 Training Workshop
- 2. What’s New In .NET Framework 4 Name Title Organization Email
- 3. A Look Back… .NET 1.0 .NET 1.1 .NET 2.0 3.0 3.5 .NET 4 2002 2003 2008 CTP!2005-08 CLR 1.0 CLR 1.1 CLR 2.0 CLR 4 SP1
- 4. What Is The .NET Framework? Base Class Libraries The CLR JIT & NGEN Garbage Collector Security Model Exception Handling Loader & Binder WPF Win Forms DLR ASP.NET WCF And more! LINQ
- 5. Base Class Library Improvements Numerics BigInteger, Complex Data Structures Tuple SortedSet<T>, ISet<T> I/O Memory-Mapped File Unified Cancellation Model
- 6. The goal of CLR 4 Working Better Together… Faster… With Fewer Bugs… In-Proc SxS Native/Managed InteropDLR Integration Managed Extensibility Framework Threading Parallel Extensions Garbage Collection Profiling Code Contracts DebuggingCorrupted State Exceptions
- 7. The goal of CLR 4 Working Better Together… Faster… With Fewer Bugs… In-Proc SxS DLR Integration Parallel Extensions Garbage Collection Profiling Code Contracts DebuggingCorrupted State Exceptions Managed Extensibility Framework Threading Native/Managed Interop
- 8. Design By Contract Code Contracts introduce a way to specify contractual information that is not represented by a method or type’s signature alone.
- 9. What is a Contract? A contract is… an exchange of promises between two or more parties to do, or refrain from doing, an act which is enforceable in a court of law. - Wikipedia
- 10. Why Contracts? There upset about that? But its the best gift in the hole world. They’re upset about that? But it’s the best gift in the whole world.
- 11. Why Contracts? Just because something compiles, doesn’t mean it works…
- 12. A Contract contains… Pre-conditions - must be true before public Rational(int numerator, int denominator) { Contract.Requires(denominator > 0); … } Post-conditions -must be true after public string GetPassword() { Contract.Ensures(Contract.Result<string>() != null); … return password; }
- 13. A Contract contains… Invariants - must always be true [ContractInvariantMethod] protected void ObjectInvariant() { Contract.Invariant(denominator > 0); }
- 14. Code Contracts
- 15. Type Equivalence Interop Assemblies translate between managed code and COM For each interface, struct, enum, delegate, and member, contains a managed equivalent with marshalling data
- 16. Primary Interop Assemblies cause many pain points… However!
- 17. Go Away, PIA! 1. Compilers embed the portions of the interop assemblies that the add-ins actually use 2. Runtime ensures the embedded definitions of these types are considered equivalent
- 18. No-PIA
- 19. Existing Side-By-Side (SxS) .NET 2.0 2.0 add-in 3.0 3.5 Host Process (i.e. Outlook) 3.0 add-in 3.5 add-in 1.1 add-in .NET 1.1
- 20. In-Process Side-By-Side (SxS) .NET 2.0 .NET 4.0 2.0 add-in 3.0 3.5 Host Process (i.e. Outlook) 3.0 add-in 3.5 add-in 4.0 add-in
- 21. The goal of CLR 4.0 Working Better Together… Faster… With Fewer Bugs… In-Proc SxS Native/Managed InteropDLR Integration Managed Extensibility Framework Threading Parallel Extensions Garbage Collection Profiling Code Contracts DebuggingCorrupted State Exceptions