Programming Concepts (C#)

This section explains programming concepts in the C# language.

In This Section

Title	Description
methods, and properties by using attributes.
Covariance and Contravariance (C#)	Shows how to enable implicit conversion of generic type parameters in interfaces and delegates.
Iterators (C#)	Describes iterators, which are used to step through collections and return elements one at a time.
Language-Integrated Query (LINQ) (C#)	Discusses the powerful query capabilities in the language syntax of C#, and the model for querying relational databases, XML documents, datasets, and in-memory collections.

Performance Tips

Discusses several basic rules that may help you increase the performance of your application.