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This is basically the minimum code to create a COM DLL server and a COM client. There is next to no commenting as I wrote these as a "first attempt". This code is only to remind myself what an actual implementation looks like for those "I'm sure I've done everything... what have I missed" and "that documentation could be taken several ways" moments.
Demonstrates a very simple DLL server supporting the DaveComponent class which has two interfaces (IJack and IClavdivs - Sorry!).
| SimpleComExamples.zip | Full source including .reg file that needs to be merged with the registry (note: you'll need to modify this so that the Inproc32Server line points to wherever you have placed the DLL). Also includes the Simple Client |
| ClassFactory.cpp | The class factory and its implementation of IClassFactory |
| COM.cpp | The entry points / DLL code (DllMain, DllGetClassObject etc.) |
| Object.cpp | DaveComponent and it implementation of IUnknown, IJack and IClavdivs |
Headers can accessed through hyperlinks in the CPP files, but are listed here for convince: ClassFactory.h, COM.h, dave_i_c.h, Object.h, stdafx.h, and dave_idl_i.c. Also available are the MIDL file and the DLL export def file.
Demonstrates a very simple console based client for the above server.
| COMClient.cpp | Uses DaveComponent. |
Headers can accessed through hyperlinks in the CPP files.