MSDN .NET API Reference

System Namespace

Contains fundamental classes and base types that define commonly used value and reference data types, exceptions and converters, and basic array, delegate, event, and string manipulation capabilities.

Classes

• String

  Represents text as a sequence of characters.

• Object

  The root of all classes in the .NET Framework; the untyped base class of all classes. It is the base of the type hierarchy.

• Int32

  Represents a 32-bit signed integer.

• Boolean

  Represents a Boolean value (true or false).

• DateTime

  Represents an instant in time, typically expressed as a date and time of day.

• Exception

  Represents errors that occur during run time.

Interfaces

• IEnumerable

  Represents a strongly typed collection of elements.

• IDisposable

  Provides a mechanism for releasing unmanaged resources.

Enums

• StringComparison

  Specifies the culture, case, and sort rules to be used when calling some overloads of the String.Compare and String.Equals methods.