You are creating an instance of a new RhinoViewport and then adjusting values on that viewport instance. There is no error, it just isn’t really doing anything.
More likely, you’ll want to get a viewport from one that exists in the document. Something like
Hi Steve,
How am I ever going to navigate this new Python++ universe…
Holomark2 is written mostly in rhinoscriptsyntax, and that works just fine, but due to the compiler issues I have I thought I could have a look at a “Rhino” function to see if that works better with the script compiler.
But this is too deep for me, I don’t even know where to search for the info I need to understand to understand what I need to understand… so I think I’ll wait for the compiler fix.