BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Using a VC++ Library with C++Builder          BorlandTalk.com Forum Index -> C++ Builder (Compatibility with MFC) View previous topic :: View next topic   Author Message Bas Groeneveld Guest Posted: Tue Jul 04, 2006 8:10 am    Post subject: Using a VC++ Library with C++Builder I realise that this question has probably been asked many times before and have found some references in Google Groups search, however I am having no luck getting things going. Before I give up I would like to find out if my cause is really hopeless. I am trying to use an Intel Dialogic telephony board from a C++Builder application using the VoiceAPI supplied with the Intel SDK. I have converted the supplied LIB files from COFF to MOF using the COFF2MOF utility and am able to link the libraries to my project. However as soon as I reference one of the functions (eg dx_open) I get the linker error: [Linker Error] Unresolved external '_dx_open' referenced from D:\PROJECTS\C++BUILDER 6\TEST\DIALOGIC\FRMMAIN.OBJ I've checked the verbose output of COFF2MOF and _dx_open is definitely shown, so it should be in the library. Is this some type of naming problem? Is there anything I can do to use these libraries?? As an alternative I have tried to import the typelib from the dll file referenced by the library, but get an "Error loading type library/DLL" error. Any help/hints appreciated! Thanks Bas -- ========================================== Bas Groeneveld Benchmark Design System and Software Engineering PO Box 165N, Ballarat North, VIC 3350 Phone: +61 3 5333 5441 Mob: 0409 954 501 Back to top Olivier Bertini Guest Posted: Tue Jul 04, 2006 5:19 pm    Post subject: Re: Using a VC++ Library with C++Builder Hi, I would suggest you to try to generate .lib files directly from the dlls using the tool implib. e.g. implib -a lib_bcb_dllname.lib dllname.dll Do this for every dll supplied with the VoiceAPI and add all the necessary (maybe all) .lib to your c++builder project. Don't forget to put the dlls in a place where your app can find them (typically in the same directory as the exe). Olivier Back to top Bas Groeneveld Guest Posted: Wed Jul 05, 2006 4:00 am    Post subject: Re: Using a VC++ Library with C++Builder Thank you very much Olivier That appears to have done the trick and I can now at least start building some test programs. Cheers Bas "Olivier Bertini" <olivier.bertini (AT) NOOSPAAAAMMMMMurbanet (DOT) ch> wrote in message news:44aa5cc1$1 (AT) newsgroups (DOT) borland.com... Quote: Hi, I would suggest you to try to generate .lib files directly from the dlls using the tool implib. e.g. implib -a lib_bcb_dllname.lib dllname.dll Do this for every dll supplied with the VoiceAPI and add all the necessary (maybe all) .lib to your c++builder project. Don't forget to put the dlls in a place where your app can find them (typically in the same directory as the exe). Olivier Back to top KL Chin Guest Posted: Wed Jul 05, 2006 6:51 am    Post subject: Re: Using a VC++ Library with C++Builder Dear Bas, Are you creating an IVR app or system? Regards KL Chin "Bas Groeneveld" <nospam (AT) nospam (DOT) com.au> wrote in message news:44aaf31e$1 (AT) newsgroups (DOT) borland.com... Quote: Thank you very much Olivier That appears to have done the trick and I can now at least start building some test programs. Cheers Bas "Olivier Bertini" <olivier.bertini (AT) NOOSPAAAAMMMMMurbanet (DOT) ch> wrote in message news:44aa5cc1$1 (AT) newsgroups (DOT) borland.com... Hi, I would suggest you to try to generate .lib files directly from the dlls using the tool implib. e.g. implib -a lib_bcb_dllname.lib dllname.dll Do this for every dll supplied with the VoiceAPI and add all the necessary (maybe all) .lib to your c++builder project. Don't forget to put the dlls in a place where your app can find them (typically in the same directory as the exe). Olivier Back to top Bas Groeneveld Guest Posted: Mon Jul 10, 2006 5:31 am    Post subject: Re: Using a VC++ Library with C++Builder I am developing an application to allow a set of phone lines to be tested. I need to be able to dial, monitor call progress (ie busy, no answer etc), detect a special equipment handshake tone, send some dtmf and hang up again. It will be used by a security monitoring company to regularly test the integrity of their phone lines and equipment. Cheers Bas "KL Chin" <klchin (AT) 1asia (DOT) com.my> wrote in message news:44ab1b24 (AT) newsgroups (DOT) borland.com... Quote: Dear Bas, Are you creating an IVR app or system? Regards KL Chin "Bas Groeneveld" <nospam (AT) nospam (DOT) com.au> wrote in message news:44aaf31e$1 (AT) newsgroups (DOT) borland.com... Thank you very much Olivier That appears to have done the trick and I can now at least start building some test programs. Cheers Bas "Olivier Bertini" <olivier.bertini (AT) NOOSPAAAAMMMMMurbanet (DOT) ch> wrote in message news:44aa5cc1$1 (AT) newsgroups (DOT) borland.com... Hi, I would suggest you to try to generate .lib files directly from the dlls using the tool implib. e.g. implib -a lib_bcb_dllname.lib dllname.dll Do this for every dll supplied with the VoiceAPI and add all the necessary (maybe all) .lib to your c++builder project. Don't forget to put the dlls in a place where your app can find them (typically in the same directory as the exe). Olivier Back to top KL Chin Guest Posted: Mon Jul 10, 2006 5:52 am    Post subject: Re: Using a VC++ Library with C++Builder Hi Bas, Thx for your reply. The main reason I was asking, bcoz I had developed a genearal IVR engine do a basic features, everything will be script based, also support NMS card. Please, do not hesitae to contact me, if you need any further information. Regards KL Chin "Bas Groeneveld" <nospam (AT) nospam (DOT) com.au> wrote in message news:44b19fe7$1 (AT) newsgroups (DOT) borland.com... Quote: I am developing an application to allow a set of phone lines to be tested. I need to be able to dial, monitor call progress (ie busy, no answer etc), detect a special equipment handshake tone, send some dtmf and hang up again. It will be used by a security monitoring company to regularly test the integrity of their phone lines and equipment. Cheers Bas "KL Chin" <klchin (AT) 1asia (DOT) com.my> wrote in message news:44ab1b24 (AT) newsgroups (DOT) borland.com... Dear Bas, Are you creating an IVR app or system? Regards KL Chin "Bas Groeneveld" <nospam (AT) nospam (DOT) com.au> wrote in message news:44aaf31e$1 (AT) newsgroups (DOT) borland.com... Thank you very much Olivier That appears to have done the trick and I can now at least start building some test programs. Cheers Bas "Olivier Bertini" <olivier.bertini (AT) NOOSPAAAAMMMMMurbanet (DOT) ch> wrote in message news:44aa5cc1$1 (AT) newsgroups (DOT) borland.com... Hi, I would suggest you to try to generate .lib files directly from the dlls using the tool implib. e.g. implib -a lib_bcb_dllname.lib dllname.dll Do this for every dll supplied with the VoiceAPI and add all the necessary (maybe all) .lib to your c++builder project. Don't forget to put the dlls in a place where your app can find them (typically in the same directory as the exe). 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