Gets a value that indicates which set of security rules the common language runtime (CLR) enforces for this assembly.
Assembly: mscorlib (in mscorlib.dll)
By default, assemblies that you compile with the .NET Framework version 4 have level 2 transparency, although you can explicitly make them level 1 instead. Assemblies that were compiled with earlier versions of the .NET Framework have level 1 transparency.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.