AutoCAD Civil 3D

[#1]

Hello!

  I got this file containing something that looks like a block!

  But according to Properties, it is not a block, so what is it?

  I can not do explode on it!

  Can someone explain what this object is?

[#2]

Dunno, sir, so get and check it out...

[#3]

Yes, but what kind of object is it before exploding?

Every element in AuotaCAD has a definition but I can not figure this one out and that make me nervos!

Properties says Circle, Line etc but I can not select just one of those.

[#4]

Again, I cannot know: it was postprocessed by one of the DWG protecting tools out-of-the-box, but every poison has its own antidote...

If the result is vector, so be sure that decoding is only a question of time, while if it's a raster, the automatic vectorization yields poor results.

[#5]

it is a group and the command "UNGROUP" can explode it.

[#6]

Welcome among us, Abu, but... were you waiting 6 years to write such a thing?

Anyway, now I'm serious: there's no UNGROUP command in my golden olden Map2006, so I guess it's a new one.
Just for fun, try to... ungroup the attached one, sir.

[#7]

It is an autocad GROUP. The group name is "*A1" without quotes. follow command line to explode or whatever you want to do with it