Initializes an instance of the TargetFrameworkAttribute class by specifying the .NET Framework version against which an assembly was built.
Assembly: mscorlib (in mscorlib.dll)
The string that is assigned to the frameworkName parameter generally takes the same form as the string that is returned by the FrameworkName::ToString method.
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.