1. Properties and
Indexers
Programming in C#
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2. Properties

3. Properties ( smart fields)
ensure accuracy and validity of values of fields.
Use of properties
Modifies private values
Validates private values
Performs required actions
Implements abstraction and encapsulation.

4. Get & Set accessors
https://gist.github.com/2391947

5. Types of Properties

6. Difference between Properties and Fields

7. Difference between Properties and Methods

8. Real world use cases of properties
Lazy Initialization
http://www.codeproject.com/Articles/275932/Lazy-Loading-in-Csharp
Dirty Tracking
http://stackoverflow.com/questions/33469/caching-patterns-in-asp-net

9. Indexers

10. Indexers
are data members that allow access data within objects in a way
similar to accessing arrays.
fast access to the data within an object as they help in indexing the
data
called smart arrays

11. Implementation
https://gist.github.com/2398898

12. Difference between Properties and Indexers