This method is called when the object and all its sub-objects must be visited. To implement this method, you should first call the method ICopyableVisitor.BeginVisit() with yourself as parameter, then call ICopyableVisitor.VisitChild() for each sub-copyables, the call ICopyableVisitor.EndVisit() once again with yourself as parameter.

void VisitChildren(
	ICopyableVisitor visitor
)