The wire bodies are edges not sketch lines so they cannot be controlled this way. You either need to create multiple dashes with wire bodies to emulate the chain or (preferably) use OpenGL to render your graphics to SolidWorks window.
Take a look at these topics for more information and samples of OpenGL:
Regards, Artem Taturevych | Snr. Developer | IC3D ANZ
IC3DSteel – New Steel Solution for SolidWorks
thanks for your reply,
Give you a look at what I say and then tell me if everything is ok