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PrincipalPermission.Demand Method

Determines at run time whether the current principal matches the principal specified by the current permission.

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

public void Demand()

Implements

IPermission.Demand()

ExceptionCondition
SecurityException

The current principal does not pass the security check for the principal specified by the current permission.

-or-

The current IPrincipal is null.

If no SecurityException is raised, Demand succeeds.

This method acts against the principal attached to the calling thread.

Important noteImportant

Prior to calling the Demand method, it is necessary to set the current application domain's principal policy to the enumeration value WindowsPrincipal. By default the principal policy is set to UnauthenticatedPrincipal. If you do not set the principal policy to WindowsPrincipal, a demand for principal permission will fail. The following code should be executed before the demand for principal permission occurs:

AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal).

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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