Use easyzlib.dll in Visual Foxpro

Question

The easyzlib generates a dll file, and a tried to register it, but a error appears. Then, a create a project in Visual Foxpro for use the ezlib.dll, but other error generates: "Cannot find entry point ezcompress int the DLL."

This is the test code:

    DECLARE Integer ezcompress IN ezlib.Dll;
      unsigned char pDest, long pnDestlen, const unsigned char pSrc, long nSrcLen;
    DECLARE Integer ezuncompress IN ezlib.Dll;
      unsigned char pDest, long pnDestlen, const unsigned char pSrc, long nSrcLen;

    arq = GETFILE('TXT', 'ProcuraR UM txt:.', '', 1, 'Navegar')
    result = ezcompress(0, 0, @arq, 0)

    if(result >= 0)
        ? "Comprimido com sucesso!"

    Read Events

Help me please!

score 1 · Accepted Answer · answered Apr 02 '13 at 21:31

1

Function names in DECLARE are case-sensitive. Could that be your issue?

For VFP, you also might consider using Craig Boyd's compression library: http://www.sweetpotatosoftware.com/spsblog/2009/08/09/MajorVFPEncryptionUpdate.aspx

answered Apr 02 '13 at 21:31

Tamar E. Granor

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I'm sure the name of the functions are correct. I'll try use Crayg Boyd's compression library! Thanks for the help! – user2237533 Apr 03 '13 at 01:05
I need a exemple using Craig Boyd's for compress a file .TXT! Thanks – user2237533 Apr 03 '13 at 12:04
1

Here's an article about using the library: http://doughennig.com/papers/..%5CPub%5C201103dhen.pdf – Tamar E. Granor Apr 03 '13 at 21:07

Use easyzlib.dll in Visual Foxpro

1 Answers1