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.NET Forum / .NET Framework / Component Services / March 2004GAC and COM+ Question
OK, I have a VB.NET Component that is COM Interopped so it can be called from a VB6 COM+ DLL. I have a setup project that places my .NET DLL into the GAC and registers it. It also registers the associated type library (which I've put in the system32 directory for now, although I understand I can use a resource file to avoid putting it on my deployment target at all). So, what I end up with is my DLL in the GAC, and the relevant entries in the registry so I can call my component from my VB6 COM+ DLL. So, now how can I use REGSVCS in a custom action to register my GAC'd component with COM+? Bearing in mind that the only copy of my .NET DLL on my deployment target is only found in the GAC. Put another way, how should I register a GAC'd .NET DLL with COM+, if the only copy of the .NET DLL on the deployment box is in the GAC? Register the copy in the GAC. In fact, I've found that's really the only way you can get objects in COM+ that can be referenced from a .Net assembly without keeping the .dll local. You'll want to shell to a DOS prompt so you can browse the c:\Windows\assembly directory without having Explorer try to show you a fancy web page, because you'll need the full path to the dll file. Then run something like: regsvcs /nologo %SYSTEMROOT%\assembly\gac\BF.Order\1.0.0.0__24d36ca7bfa0e6b0\BF.Order.dll Alternately, you may be able to get away with lazy registering. It would require that the first execution of the object is done by an Administrator -- maybe have your setup script (which ideally should be run by an Admin anyway) attempt to start the object itself so that lazy registering will occur. > OK, I have a VB.NET Component that is COM Interopped so it can be > called from a VB6 COM+ DLL. [quoted text clipped - 14 lines] > Put another way, how should I register a GAC'd .NET DLL with COM+, if > the only copy of the .NET DLL on the deployment box is in the GAC? Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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