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What's New in the .NET Framework Class Library

.NET Framework 4.5

Each version of the .NET Framework introduces types and type members that implement new technologies, provide new features, replace existing functionality, or offer convenience methods that reduce the amount of code needed to perform a simple task. The following topics list the new namespaces, types, and type members introduced in the .NET Framework 4.5.

Title	Description
New Namespaces in the .NET Framework 4.5	Namespaces support the hierarchical organization of classes and prevent type name collisions. If a namespace is new to the .NET Framework 4.5, all of its types and their members are also new.
New Types in the .NET Framework 4.5	A type encapsulates the functionality and data of a real-world object or process. If a type is new to the .NET Framework 4.5, all of its members are also new.
New Members in the .NET Framework 4.5	A type member is one of the following: A field or property, which provides data about an instance of a type A method, which performs some operation A constructor (a method that creates a new instance of a type) An operator (a method that supports a special operator syntax for performing designated operations on the class instances) An event (a method that is called in response to some predefined condition)

Concepts

.NET Framework Class Library Overview

Other Resources

.NET Framework Class Library

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