Shortcut keys for commenting

I was wondering if there were some secret shortcut keys for commenting and de-commenting out lines in the latest robot studio. I am used to using it when debugging in Visual Studio and Matlab.

There is no default keyboard shortcut for comment/uncomment. You can, however, define your own custom keyboard shortcuts using ‘Customize commands’, see
http://www.abb.com/cawp/gad00540/65d560698f52ee71c1257a0e0023bc97.aspx?single=1
The blog article describes how to create a shortcut in the QuickAccess toolbar, but the same dialog also allows you to create keyboard shortcuts.