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Programming Basics Namespaces in Visual Studio

The fundamental programming namespaces in the .NET Framework include:

  • System.Collections - contains interfaces and classes that define various collections of objects, such as lists, queues, arrays, hashtables, and dictionaries.
  • System.IO - contains types that allow synchronous and asynchronous reading and writing on data streams and files.
  • System.Text - contains classes representing ASCII, Unicode, UTF-7, and UTF-8 character encodings; abstract base classes for converting blocks of characters to and from blocks of bytes; and a helper class that manipulates and formats String objects without creating intermediate instances of String.
  • System.Threading - provides classes and interfaces that enable multithreaded programming. This namespace includes a ThreadPool class that manages groups of threads, a Timer class that enables a delegate to be called after a specified amount of time, and a Mutex class for synchronizing mutually exclusive threads. System.Threading also provides classes for thread scheduling and wait notification.

In the Visual Studio Documentation

Walkthrough: Authoring a Simple Multithreaded Component with Visual Basic
Provides step-by-step instructions that include how to use the System.Threading.Thread object to add multiple threads of execution to your component.
Creating File System and Timer Components
Introduces components that respond to changes to files and directories, raise events on a schedule, or monitor and interact with Windows processes.
Walkthrough: Creating Your Own Collection Class (Visual Basic)
Provides step-by-step instructions for how to inherit from a class in System.Collections to create simple, strongly typed collection with Visual Basic.
C# Tutorials
Lists topics that demonstrate threading, attributes, delegates, events, and collection classes that make use of System.Collections; an unsafe code tutorial that covers the System.Thread class; and an indexers tutorial that covers System.IO.
Processing Drives, Folders, and Files (Visual Basic)
Lists topics that discuss using the System.IO namespace in Visual Basic.
Introduction to the .NET Framework Class Library in Visual Studio
Provides an overview of the namespaces in the .NET Framework.

Additional Information

Working with I/O
Provides information from the .NET Framework Developer's Guide about I/O.
Threading
Provides information from the .NET Framework Developer's Guide about threading.
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