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| Can a single VB 6 DLL connect to either MQ Client or server? |
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| jings |
 Posted: Thu Apr 26, 2012 10:50 pm Post subject: Can a single VB 6 DLL connect to either MQ Client or server? |
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Newbie
Joined: 26 Apr 2012
Posts: 4
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Hi,
I am having a VB 6 application. As per the project requirement, the same VB 6 code should be able to connect to Queue Manager using MQ Client or MQ Server dll.
Currently I have made the settings using the Conditional Compilation Argument mqType value. But this change would require the DLLs to be modified everytime. I have VB 6 code which can connect to either local or remote queue manager.
Is there any possible solution where I can configure the mq related settings in some configuration file, such that the same VB 6 DLL can be used without requiring modification to the mqType.
Thanks |
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| mqjeff |
| Posted: Fri Apr 27, 2012 3:33 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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You could do this with a similar level of Visual C++.
In order to make it work in Visual Basic, you're going to have to find some way to delay loading the MQ libraries until you've decided which set you want to load.
You should be talking to your customer or employer about the fact that they are asking you to maintain a solution written on an incredibly obsolete code platform, and that your time is more valuable to them spent bringing it up to date rather than merely bandaging it. |
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| gbaddeley |
| Posted: Sun Apr 29, 2012 6:14 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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You could create your own customised version of cmqc.bas to define different function names for each type of interface, eg. MQCONNs for server, MQCONNc for client. This will load the appropriate DLL when each function is called. This hack is probably not supported by IBM....
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Glenn |
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