PTV Visum - Frequently Asked Questions (FAQs)
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A COM command like Link.AttValue('NO') = 1300 does not work. What is the reason?
The 'ahead' and 'back' direction of links are modelled as two seperate link objects and share the same number (only the numbers of the from and to nodes are different). To change these by COM, use this function:
SetNo ( [in] int no).