calling loaded DLL function expecting POINT * argument

[Tim Williams]

On Tuesday, September 4, 2012 8:16:33 AM UTC-4, Tim Williams wrote:
> On Sunday, August 26, 2012 9:23:49 PM UTC-4, Tim Roberts wrote:
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> > Tim Williams <tjandacw at cox.net> wrote:
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> > >Hello all,
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> > >I'm trying to use the ctypes module to call functions in a DLL. I've
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> > >figured out how to modify my path so the library is found, and I can 
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> > >call LoadLibrary on it, but one of the functions expects an array of
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> > > POINTS. Here is the prototype from the .h file:
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> > >TRACKER_API HRESULT InitializeMask(HANDLE pHandle, int nWidth, int nHeight, POINT* ptMasks, int nNumPoints);
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> > How is TRACKER_API defined?  You're using ctypes.oledll, which uses the
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> > __stdcall calling convention.  It's possible your DLL is defined as
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> > __cdecl.  Try cdll.LoadLibrary instead of oledll.LoadLibrary.
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> > -- 
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> > Tim Roberts, timr at probo.com
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> > Providenza & Boekelheide, Inc.
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> Thanks for the reply. I've been out all last week. I'll give it a try.

cdll.LoadLibrary did trick! Thanks again. Now on to the next step....