If you need to wire cross other wires it would be nice just for the optic to have the error wire always in the background of the cross. Now the wire which is connected first is in the background and all other overlay it.
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Duplicate of http://forums.ni.com/t5/LabVIEW-Idea-Exchange/Always-place-Error-Wires-underneath-other-wires/idi-p/...