Know Language Version in Visual Studio Project

During the development of a project using Visual Studio how we can know default language version.

Here in this article I am going to create a application using Visual Studio 2012 so default language version of my application should be C# 5.0 .

Now to know follow steps:

Right Click on you Project 's Solution Explorer -> Select Properties.

Image 1.

Here Select Build -> Advance 

Image 2.

Here see Language Version Drop Down.

Image 3.

Here see language version.

Image 4.