ReadCost |
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This method allows you to read speed for all links from a single DAT or DBF file.
Specify the full filename, including path. Fieldindex is 0-based. If fieldname is defined, fieldindex is ignored.
If cost is 0 or negative for any link, it is ignored.
Syntax: ReadCost(index: integer; filename: string; fieldindex: integer; fieldname: string);
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