http://developers.de/blogs/holger_vetter/archive/2015/12/01/c-6-and-the-nameof-x-operator.aspxIn C# 6 the new operator nameof was introduced. It helps the developer to use any property/classname/namespace and so on as a string. The string will be set at compile time. Lets start with some examples.: When checking arguments before C# 6 you had toenCommunityServer 2008 SP1 (Build: 30619.63)