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Passing numeric variable by reference
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21/06/2007 12:26:18
 
 
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Information générale
Forum:
Visual FoxPro
Catégorie:
COM/DCOM et OLE Automation
Titre:
Passing numeric variable by reference
Versions des environnements
Visual FoxPro:
VFP 8
OS:
Windows XP
Divers
Thread ID:
01234773
Message ID:
01234773
Vues:
54
Hello folks,

I'm using a third party COM object that needs some variables to be passed by reference so information can be retrieved from them after the call. The strings are not a problem. However, the numeric variables are causing "OLE Error: Type Mismatch"
ods = createobject("dserve2.dserve")
ods.dsConnect("192.168.1.99",8227,40000)
lnChannel = 1
? ods.dsOpen("g:\ssi605\data\ic\icmast",@lnChannel)  && error here
? ods.dsOpen("g:\ssi605\data\ic\icmast",lnChannel)  && works, but there is always the possibility
                                                   && that the COM object assigns me a different channel
The vendor does not have VFP knowledge...it is written in some sort of basic. On the previous version of the DLL, I wrote a VB wrapper around it. But this version (except for this problem) works great in VFP, and I really want to cut out the middle man.

Any ideas?

< update >
For those who care, the COM object communicates with a process running on a server, which provides an interface into our legacy accounting package (FACTS...written in Basis business basic).
< /update >

Thanks...
Steve Gibson
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