Sitecore maintains a state about the current webpage (in the Items collection) and about the current session (in the Session collection).
Typical information include the current user, the current web item, the current master item, the current layout etc.
The State class encapsulates both the Items and Session collections.
For a list of all members of this type, see State Members.
System.Object
Sitecore.Configuration.State
Public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Instance members are not guaranteed to be thread-safe.
Namespace: Sitecore.Configuration
Assembly: Sitecore.Kernel (in Sitecore.Kernel.dll)
State Members | Sitecore.Configuration Namespace