>I know from reading that VFP arrays cannot be used externally; cannot be passed and recognized as arrays by other platforms. I am also aware of the functionality of COMARRAY() in VFP 6, but don't think that this applies.
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>That aside- what are my options for external functions in a C library that need to be passed an array?
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It depends on exactly the nature of the array passed to the C function; in many cases, you can construct the array in a VFP string, or in a buffer allocated with something like CLSHEAP or POINTERS, and handle conversion issues yourself (an example might be a simple vector of ULONGs, which might be passed as a string of 4 byte allocations, or an array of pointers to strings, where you have a vector of pointers which can be passed back and forth, and could then resolve the pointers as CStrings using something like lstrcopy().) What does the array declaration for the .DLL look like in C?


>I am open to the idea of building a COM object with another tool such as VB that would serve as a wrapper for the functions, but want to be aware of any problems with this approach as well as hear any other suggestions.