You can take your conversion code from VFP9 and build it into VFP9 COM DLL. It can be called from VFP6 and VFP9 applications. You'll have to distribute VFP9 runtimes with VFP6 application though.

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>I afraid I don't know how to solve my problem with your suggestion, can you explain it please, if it's not some problem or not take long time?