PermissionSet.IsEmpty Method
.NET Framework 4
Gets a value indicating whether the PermissionSet is empty.
Assembly: mscorlib (in mscorlib.dll)
A PermissionSet can be empty and yet contain instances of permissions if those permissions are in the fully-restricted state. Permissions are in a fully restricted state if their IsSubsetOf methods return true when null is passed as a parameter.
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.