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IPrincipal Interface

Defines the basic functionality of a principal object.

Namespace:  System.Security.Principal
Assembly:  mscorlib (in mscorlib.dll)

[ComVisibleAttribute(true)]
public interface class IPrincipal

The IPrincipal type exposes the following members.

  NameDescription
Public propertySupported by Portable Class LibraryIdentityGets the identity of the current principal.
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  NameDescription
Public methodSupported by Portable Class LibraryIsInRoleDetermines whether the current principal belongs to the specified role.
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A principal object represents the security context of the user on whose behalf the code is running, including that user's identity (IIdentity) and any roles to which they belong.

All principal objects are required to implement the IPrincipal interface.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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