Mep Pipe Created By ACAPI_Element_Create Doesn't Reaction With Each Other.

[Archein]

Hello everyone.

I'm trying to create mep pipes from polylines,

but I find those mep pipes created by ACAPI_Element_Create function won't show stretch tool in the pet pallet.

Furthermore, those mep pipes won't reaction and modification with each other.

Should I try database or environment functions?

Any advice would be appreciated!