How to see and understanding the shaders with Microsoft Visual Studio.

You need Visual Studio from Microsoft from Visual Studio 2015 website .
The shaders used by Microsoft Visual Studio 2015 come like DGSL file.
This extension is associated with the Microsoft Visual Studio integrated development environment that allows programmers to create applications for Microsoft Windows, Windows Phone, web etc.
Also , the .dgsl file stores definitions of 3D surfaces.
Any of the dgsl file type can be found here: C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\VsGraphics\Assets\Effects\;
You can see one screenshot of visual one shaders.shaders