how to get the arrow reference of the symbol by ProDtlattachGet
Folks,for a symbol on the side of a cylinder,the arrow reference is like silh:surf:
when to use ProDtlattachGet(arrLeader[i], &type, &view, location, &attach_point);,
the "type" is PRO_DTLATTACHTYPE_UNIMPLEMENTED, the "attach_point" is invalid.
and how can i get the infomation about the arrow reference

