visibility by image in autocad dynamic blocks

hi

dears,

i need help about visibility by image in autocad dynamic blocks.

see upload image (auto cad plant 3d visibility image).

i am trying to make visibility like attached image.

i know only visibility as a name.

can i make by image if its possible like image then please guide to me.

i am waiting a good response.

thanks

nice idea but pretty sure ........ no.

Maybe use a true type font it may have the double arrows as two text you need to use the ALT + Number to get these characters displayed.