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From: Timothy on 29 Jan 2010 15:48
I have also had trouble finding a way to pass an array of data into MATLAB through an ActiveX interface. Any information anyone might have would be greatly appreciated.

Thanks,
Tim Haswell

"Stephen Morris" <stephen(a)morris.net> wrote in message <gnms93$kij$1(a)fred.mathworks.com>...
> An ActiveX control method returns three 32-bit integers: the second and third are C++ pointers to scalar integers containing the dimensions of an array, while the first is a C++ pointer to the array itself.
>
> How can I make MATLAB read the array, rather than simply returning a scalar?
>
> For completeness, the method is defined in C++ as:
>
> bool GetData(long* Array, long* ArrayWidth, long* ArrayHeight)
>
> ...and MATLAB sees it as
>
> [bool int32 int32 int32]=GetData(handle, int32, int32, int32).
>
> It reads the correct values for the array dimensions, but misinterprets the array as just another scalar.
>
> Many thanks,
> Stephen Morris.
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