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The same way as you would in any other application. You can use LoadLibrary or link the .lib file, COM makes no reserve on this...
At least I hope so - the COM server I'm building for work does it
Dylan Kenneally
London, UK
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What I want to know is how to set the path of DLL?It seems that I cannot locate the DLL.I wrote the full path in the LoadLibrary,but it failed.
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What message did it fail with? It's not something silly like not having your path wrapped in quotes ("\"c:\develop\my dll\lib.dll\"") when theres a space in the path is it?
Dylan Kenneally
London, UK
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can anybody tell me how to register a com dll with c++ code? better give me some piece of code, thanks!;P
Richy
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Load the dll into your process with load library, then call GetProcAddress for DllRegisterServer and call that function. This is how regsvr32 registers the DLL.
Build a man a fire, and he will be warm for a day Light a man on fire, and he will be warm for the rest of his life!
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typedef HRESULT (STDAPICALLTYPE *CTLREGPROC)() ;
HMODULE hModule = ::LoadLibrary(m_strPathName);
CTLREGPROC DLLRegisterServer = (CTLREGPROC)::GetProcAddress(hModule,"DllRegisterServer" );
DLLRegisterServer();
::FreeLibrary(hModule);
Regards
Carlos Antollini.
www.wanakostudios.com
Sonork ID 100.10529 cantollini
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I'm a newbie and have just read one whole entire book on COM and part of another. I understand most but not all of it. I might have missed this but if I want to develop a COM object or ActiveX control for use by Visual Basic, do I have to use variant data types (in my Visual C++ server code) or will it get automatically converted from the type library? I guess I'm talking about for automation purposes/late binding. Though, I'm not sure.
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You can use any automation types.
soptest
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Ok. Thanks. Yes, now I recall the other automation data types. I think I got confused with example in book saying something about using Variants was better for automation late binding...maybe it was referring to the script languages.
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Yes, variants for scripts.
soptest
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Hello all...
I have a VB6 COM component that exposes a collection class I wrote using Function NewEnum() as IUnknown to enable for each iteration of the collection. The procedure attributes are set correctly to -4, hidden.
When I try to iterate the collection via interop using the vb.net code below, I get "QI for IEnumVARIANT failed on the unmanaged server," but only when executing it in the code behind an asp.net page. works fine behind a .net windows form. same problem if I attempt it in C#.
Dim rdfs As ReportMgr.ReportDefs
Dim rdf As ReportMgr.ReportDef
rdfs = New ReportMgr.ReportDefs()
rdfs.Refresh()
For Each rdf In rdfs
System.Diagnostics.Debug.WriteLine(rdf.Key)
Next
Any ideas?
Travis
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What kind of in-proc communication uses local COM server (.exe)? May be DDE?
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lrpc - local RPC
http://www.windowsitlibrary.com/Content/356/08/1.html
soptest
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COM uses memory mapped files for interprocess communication if the two processes lie on the same machine.
Build a man a fire, and he will be warm for a day Light a man on fire, and he will be warm for the rest of his life!
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My_Wuestion wrote:
May be DDE?
Not any more, but I seem to remember reading that it did in the happy days of Windows 3.1
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Hi,
Can anyone let me know where on the net I can find good & simple explanation about n-tier architecture & design?
Thanks in advance
Hitesh
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Problem with finding msword.olb, where can I download these files.
To incorporate COMs.
Thanks.
URGENT
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<drive>:\Programm Files\Microsoft Office\Office\MSWORD9.OLB
It goes with MSWord application
soptest
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Are you running Word 98 or later?
I have had problems where I couldn't find the file with earlier versions of Word.
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I am running office xp pro. I cannot find the files.
If someone could help me. That would be amazing. I really appreciate u're help.
Thank-you.
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Problem with finding msword.olb, where can I download these files.
To incorporate COMs.
Thanks.
matt
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In order to use the Microsoft Web Browser ActiveX control, I need to call AfxEnableControlContainer() in my App::InitInstance. My application requires that I also call CoInitializeEx(NULL, COINIT_MULTITHREADED).
When I comment out the CoInitializeEx() call, the browser displays. If I let it run, the dialog with the ActiveX control won't initialize.
Any guesses as to what the problem is?
J
"I am wise enough to therefore not spout my ill informed opinion as if it were remotely related to fact." - Christian Graus
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