title: What is the meaning of C# with shortcut icon appears in visual studio 2010?
body: <p>Working on some legacy codes - what is the c# class with black arrow overlay 
  <a href="https://i.stack.imgur.com/jCCVw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/jCCVw.png" alt="enter image description here"></a> icon in visual studio 2010 and why it appears?</p>