BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  How to show my app the path to BPL's          BorlandTalk.com Forum Index -> Delphi Deployment View previous topic :: View next topic   Author Message Zbigniew Lipinski Guest Posted: Wed May 11, 2005 8:40 pm    Post subject: How to show my app the path to BPL's Hi, I want to distribute to my users one small application (upgrade installer), compiled with VCL40.BPL runtime package and I want it to run correctly in any directory. The trouble is that, although all my users have VCL40.BPL file on their disks, the directory where it is located is not on system path. It would be nice if I could set the Path variable before an attempt to load VCL40.BPL is made, but, of course, it is made at the very start of EXE, before any instruction compiled from my source code is executed. I'm starting to think of writting a console app which will set Path and then generate (from resources) and run the actual application, which will inherit the environment of the calling process. However I don't like that idea at all. Perhaps somebody has a better one? (As you have already guessed, I'm using D4) Thanks in advance, Zbigniew Lipinski Back to top Bill Todd Guest Posted: Wed May 11, 2005 8:51 pm    Post subject: Re: How to show my app the path to BPL's I assume there is a reason that you have rejected the obvious solution of putting VCL40.BPL in one of the directories that Windows searchs automatically such as SYSTEM32 or the EXE directory. -- Bill Todd (TeamB) Back to top Zbigniew Lipinski Guest Posted: Wed May 11, 2005 9:09 pm    Post subject: Re: How to show my app the path to BPL's U¿ytkownik "Bill Todd" <no (AT) no (DOT) com> napisa³ w wiadomo¶ci news:4282704b$1 (AT) newsgroups (DOT) borland.com... Quote: I assume there is a reason that you have rejected the obvious solution of putting VCL40.BPL in one of the directories that Windows searchs automatically such as SYSTEM32 or the EXE directory. Bill, The BPL's are in the EXE directory of the main application (the one that will be upgraded). Now I want my users to download the upgrade installer and to run it wherever they want, not neccessarily in the Exe directory of the main app. And because the upgrade installer (which will be a sort of self extracting archive with some additional functions) will be distributed via the Internet, it would be nice if it could use VCL40.BPL, which is already on disk, installed together with the main application. ZL Back to top Bill Todd Guest Posted: Thu May 12, 2005 1:32 am    Post subject: Re: How to show my app the path to BPL's If VCL40.BPL is in the EXE directory and that is the startup directory then Windows will find it. If you are saying that there is already an EXE on the users computer with VCL40.BPL in its directory and the user is going to install another EXE in another directory you have a problem. The best long term solution is to move VCL40.BPL to the system32 directory. The only other option is to add the directory that contains VCL40.BPL to the path or put the new EXE in the same directory as the old one. -- Bill Todd (TeamB) Back to top Zbigniew Lipinski Guest Posted: Thu May 12, 2005 8:07 pm    Post subject: Re: How to show my app the path to BPL's U¿ytkownik "Bill Todd" <no (AT) no (DOT) com> napisa³ w wiadomo¶ci news:4282b24a$1 (AT) newsgroups (DOT) borland.com... Quote: The best long term solution is to move VCL40.BPL to the system32 directory. The only other option is to add the directory that contains VCL40.BPL to the path or put the new EXE in the same directory as the old one. Thanks, Bill. I considered all the above solutions, but every of them has some drawback for the users. I hoped that maybe there was possible some trick like loading BPL's dynamically or something of that sort. But never mind, I shall probably write the upgrade installer without using VCL or, in the worst case, the users will have to download two or three hundred kilobytes more. Regards, Zbigniew Lipinski Back to top Bill Todd Guest Posted: Thu May 12, 2005 8:51 pm    Post subject: Re: How to show my app the path to BPL's You can load BPL's dynamically. There are articles on BDN that show how to do so. if you know where the BPL is then that might solve your problem and I should have mentioned it. -- Bill Todd (TeamB) Back to top Zbigniew Lipinski Guest Posted: Thu May 12, 2005 9:27 pm    Post subject: Re: How to show my app the path to BPL's Quote: You can load BPL's dynamically. There are articles on BDN that show how to do so. if you know where the BPL is then that might solve your problem and I should have mentioned it. Oh, thanks - so I'm going to find that article. 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