using (C# Reference)


Updated: July 20, 2015

The using keyword has two major uses:

  • As a directive, when it is used to create an alias for a namespace or to import types defined in other namespaces. See using Directive.

  • As a statement, when it defines a scope at the end of which an object will be disposed. See using Statement.

C# Reference
C# Programming Guide
C# Keywords
Namespace Keywords