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| Using MQ API calls in VB.NET |
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| MillsPerry |
 Posted: Wed Jun 18, 2003 9:39 am Post subject: Using MQ API calls in VB.NET |
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Acolyte
Joined: 08 Oct 2001
Posts: 59
Location: ZyQuest, inc.
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I am trying to write a VB.NET class that uses the MQ API. I took some code that works in VB6, did all the obvious conversions like changing Longs to Int32, but it does not work in VB.NET.
For example, I try a MQCONN call using the attached code sample, but all I get is a reason code of 2058 (MQRC_Q_MGR_NAME_ERROR). Since I am obviously communicating with MQSeries, I suppose that the API does not like the string format of the QMgr name. Can anybody tell me what I am doing wrong?
| Code: |
Module Module1
Private Declare Auto Sub MQCONN _
Lib "C:\Program Files\MQSeries Client\bin\MQIC32.DLL" _
Alias "MQCONNstd@16" (ByRef QMgrName As String, ByRef Hconn As Int32, _
ByRef CompCode As Int32, ByRef Reason As Int32)
Sub Main()
Dim intCompCode, intRC, intHandle As Int32
MQCONN("MyQMgrName", intHandle, intCompCode, intRC)
End Sub
End Module |
PS. To head off the obvious replys; Yes, I know about IBM's DotNet service pack. No, I am not interested in using it, nor am I interested in COM interop. I just want to know how to use the old API.
Thanks! |
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| MillsPerry |
| Posted: Thu Aug 07, 2003 7:07 am Post subject: |
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Acolyte
Joined: 08 Oct 2001
Posts: 59
Location: ZyQuest, inc.
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| Solved the problem by running a working VB6 program through the upgrade wizard. |
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