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MSComDlg.ICommonDialog "Class is not licensed" error in LV v8.20
lgk
Member
11-08-2006 03:55 PM
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I'm using an Automation Refnum control linked to MSComDlg.ICommonDialog for the purpose of displaying a printer dialog in my application. When the Automation Refnum control is passed to the Automation Open VI during execution I get:
"Error -2147221230 occurred at Class is not licensed for use in ..." followed by the name of my VI.
On the way to posting this message I found a KnowledgeBase article addressing this error. It points you to a Microsoft KnowledgeBase article that recommends a download utility (vb6cli.exe) that fixes this issue for Visual Basic 6 installations.
When I run the utility on my development computer it fails because I don't have VB6 installed.
comdlg32.ocx (3/9/2004 4:45 pm) exists in the System32 folder on my development computer (Windows XP, SP2). The only programming language that is installed on the computer is LabVIEW v8.20.
Is there a fix for this problem that works in the context of LabVIEW?
Will this problem resurface when I distribute my application?
TheDillo
NI Employee (retired)
11-09-2006 12:56 PM
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Sounds like the dll you're referencing requires the Microsoft's VB 6 runtime. You can grab it from http://microsoft.com/downloads, or by following this link to the VB 6 Runtime.
TheDillo
11-09-2006 02:12 PM
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Thank you for the suggestion.
I have obtained the Service Pack 6 for Visual Basic 6.0: Run-Time Redistribution Pack (vbrun60sp6.exe).
Prior to installing it, I checked to see if the files in the Pack were already on my computer; they were.
I then installed the redistribution pack, restarted the computer, and still have the error described in the original posting.
So, I'm still in the market for a solution, if any one out there has one.
TheDillo
NI Employee (retired)
11-10-2006 04:58 PM
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Several of the ActiveX objects that Microsoft Develops require a
developer license to redistribute. If you've got VB6 installed on the
original computer, then perhaps that computer does indeed have a license for it. I would contact Microsoft about licenses for this.
Another option would be to use .NET Print Dialog. I'm not familiar with how that might be setup, however, I do know that there are no liceneses. The only thing the end customer would need to have is the .NET Framework installed.
Hope this helps,
Another option would be to use .NET Print Dialog. I'm not familiar with how that might be setup, however, I do know that there are no liceneses. The only thing the end customer would need to have is the .NET Framework installed.
Hope this helps,
TheDillo
