title: How to Create a Sequence Diagram in Visual Studio 2015 Enterprise from existing code?
body: <p>I'm new to the Ultimate/Enterprise line of Visual Studio products, and one thing I was looking forward to was the easy creation of sequence diagrams based on source code.  Everything I've found says it's as easy as locating a method, and right click => Generate Sequence Diagram, as shown below:</p>
  
  <p><img src="https://i.stack.imgur.com/RzcDA.png" alt="Generate Sequence Diagram"></p>
  
  <p>...but this option doesn't seem to be available in 2015 Enterprise.  Did something change?</p>