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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>This may be a strange request, but my Delphi app uses an old C++ DLL which I commissioned an outside developer to write for me some time ago. I’ve lost the source code and cannot get a hold of the developer to see if he has it stored.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>The only issue with it, it is opening a file in read/write mode, although it is only ever reading the file. I need it to open the file in read-only mode. Anyone with a little hacking skills should be able to modify the CreateFile() integer parameter call stored in the binary DLL file.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>Is anyone up for doing that for me, perhaps for a $50 donation?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>I remember doing something similar like 30 years ago with MS-DOS utilities which had version checks inside to prevent them being run on later versions of DOS. I worked out the sequence of code for the INT 21H dos calls in a HEX editor.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>Ross.<o:p></o:p></span></p></div></body></html>