A quick tour of some of the feature of the C# language. Including Delegates, LINQ, and Task Parallel Library. The code is available at https://github.com/Dwrandaz/CSharpTour

1. A tour of the C# language
Muhamamd Yaseen
The code is available at: https://github.com/Dwrandaz/CSharpTour

2. What are we going to talk about
• Delegates
• How LINQ is made
• IEnumerable vs IQueryable
• Extension Methods
• The yield keyword
• Expression Trees
• Task Parallel Library
• Parallel Programming
• Asynchronous Programming

3. Delegates

4. Delegates
• Definition
• A type that defines a method signature
• Why Delegates
• Decoupling code
• Methods as parameters
• Callbacks and Event handlers
• Linq

5. Demo

6. Lean more!
• Jeremy Clark, Delegates: https://bit.ly/2U9LmXg
• Mosh hemadani, Events and delegates made simple:
https://youtu.be/jQgwEsJISy0

7. How LINQ is made

8. LINQ uses these C# & .NET features
• The IEnumerable interface
• The IQueryable interface
• The yield keyword
• Extension methods
• Delegates

9. Demo

10. Lean more!
• Jeremy Clark, Lambdas and Linq: https://bit.ly/2R72bjG
• Microsoft Docs, yield: https://docs.microsoft.com/en-
us/dotnet/csharp/language-reference/keywords/yield
• Jon skeet, Edulinq: https://codeblog.jonskeet.uk/category/edulinq/
• Microsoft Docs, Expression Trees: https://docs.microsoft.com/en-
us/dotnet/csharp/programming-guide/concepts/expression-trees/
• Mosh hemadani, Generics: https://youtu.be/gyal6TbgmSU
• Jeremy Bytes, Generics: https://bit.ly/2R5BnR1
• Microsoft Docs, Generics: https://docs.microsoft.com/en-
us/dotnet/csharp/programming-guide/generics/

11. Task Parallel Library

12. Parallel And Asynchronous Programming
• Task
• Task.WhenAny
• Task.WhenAll
• Task.Delay
• async/await
• AsParallel()
• Parallel
• For
• ForEach

13. Demo

14. Lean more!
• Stephen Cleary’s blog: https://blog.stephencleary.com/
• Stephen Cleary’s Book: https://stephencleary.com/book/
• Jeremy Bytes, Async And Tasks: https://bit.ly/2HsFXcq
• Data Parallelism, Microsoft Docs: https://docs.microsoft.com/en-
us/dotnet/standard/parallel-programming/data-parallelism-task-
parallel-library
• Introduction to PLINQ, Microsoft Docs:
https://docs.microsoft.com/en-us/dotnet/standard/parallel-
programming/introduction-to-plinq