Line Section
Line Section entity present a mathematical 3D line in an entity, i.e. it adds
properties necessary for a line to become part of a model
Line Entity is an Entity so it has all its properties: Local frame, name etc.
Geometry of a Line Section is contained in a reference to a
generic 3D line (curve).
To create a Line Section from a program, call
IDIObjGenerator.Create( EObjectType.eObjTypeLineSection ). and cast (query)
the return to ILineSection_KC.
Use methods of ILineSection_KC to attach a line to the Line Entity.
Use properties and interfaces relevant to the specific mathematical curve to
modify geometry of the curve.
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