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.NET Forum / .NET Framework / Interop / March 2008How to detect if file contains function DllRegisterServer???
Hi guys, I am trying to write small utility that will be able to show you if specified file is COM or not (if it needs registration) or if there are any COM files in specified directory (this is extremely useful for deployment of applications). Currently I am trying to achieve that by calling LoadLibraryA from Kernell32.dll and then GetProcAddress... This tool is command line, however it is not really working now, because LoadLibraryA sometimes popup some error message box (for example "The application or DLL amcompat.tlb is not a valid Windows image. Please check this against your installation diskette." or "This application has failed to start because borlndmm.dll was not found. Re- installing the application may fix this problem."). Any ideas how to approach this???? Thanks, Martin The convention is that the Dll developer adds OLESelfRegister to the resources. That's used as a clue for a lot of the tools out there. I'm puzzled by the reference to a tlb file - did you try to loadlibrary on it? That's not how tlb files are used. Also, you've noticed that LoadLibrary requires that any dependent Dlls get loaded too, and if they can't be found then the Dll won't load. There might be some LoadLibraryEx flags that might help if all you want to do is see if there is a DllRegisterServer, and not actually call it.  SignaturePhil Wilson [MVP Windows Installer] > Hi guys, > [quoted text clipped - 17 lines] > Thanks, > Martin Hello Phil, thanks for answer, using OLESelfRegister looks like better way to handle it... Any idea how to detect if it is in file resources??? Any help is really appreciated, specially any bit of code ;) Thanks, Martin
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