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Object-oriented Programming in C# Data Access and Operations * Accessing Data in Objects Indirect data access Overview of data access in C# * Properties Properties in C# Properties: Class Point with polar coordinates Automatic Properties Object Initialization via Properties Summary of properties in C# * Indexers Indexers in C# Associative Arrays Summary of indexers in C# * Methods Methods in C# Local variables in methods Parameters Value Parameters Passing references as value parameters Passing struct values as value parameters Reference Parameters Output Parameters Use of ref and out parameters in OOP Parameter Arrays Extension Methods Methods versus Properties versus Indexers * Overloaded Operators Why operator overloading? Overloadable operators in C# An example of overloaded operators: Interval Some details of operator overloading * Delegates Delegates in C# Delegates that contain instance methods Multivalued delegates Lambda Expressions * Events Events Events in C# Examples of events * Patterns and Techniques The observer design pattern An Observer Example Observer with Delegates and Events Observer Example with Delegates and Events

Delegates