Okay I must be losing my mind here... I believe there is a way to create a block of displayed objects that are shown within viewport. I know I have done this before with basic Autocad. The closest thing at the moment that I can think of is "SOLPROF" but that only works for 3D objects.
The way I remember the command working was you started off with the command, select the objects with the viewport/or maybe it was just the viewport, the command made an instantanious block of the objects that were only within the display area.
Your help would be greatly apprieciated!
Sincerely,
Steven-