I\'m using \"Visual Studio 2013 Ultimate\" and \"Productivity Power Tools 2013\". There are these vertical indent lines and I don\'t know how to remove them.
I tried
For VS2017 go to Tools->Options->Text Editor->General - uncheck Show Structure Guidelines.
In Visual Studio 2017 (15.5.2):
Tools -> Options -> Text Editor -> C# -> Advanced -> Block Structure Guides -> Disable all
VS 2013, I have to include this step:
Tools --> Options --> Productivity Power Tools --> Other Extension --> Turn off "Show code structure in Editor"
Found it. It is the "Structure Visualizer" option.
Go to "Tools->Options" and in dialog select "Productivity Power Tools".
It is an option close to the end of the list: