I encountered a problem  while create a new GH component with GH add-on by using Visual Studio 2010. I installed Wizard assembly from website,and it shows under toolbar of VS  tools>extension Manager. I got an error,( please see attached the screen shot.) so the new project with add-on cannot open at all. "system.Argument null exception:Value cannot be nullParameter name:path1at system.IO.Path.Combine(String path1, String path 2)at GH wizard.UserInputForm..ctor(Dictionary2 repmacements)"at…See More