I am new to C++ but am quite handy with C# and my problem is this. I have a dll (COM) - call it s.dll that wont work properly with VB ( it crashes on events etc) but im informed the dll works fine in a C++ enviroment.
My idea is to write a COM dll in C++ that propogates the methods etc of s.dll and then use this new COM dll in my VB code. I have seen how to write a COM dll and the ATL wizzards using VS6 but I dont know how to add s.dll to my new dll that im writing in VS6.
Can anyone point me to an example of how to add s.dll to COM dll in Vis Studio 6 that uses the ATL?
that wont work properly with VB ( it crashes on events etc) but im informed the dll works fine in a C++ enviroment.
This does not guarantee that there is something inherently wrong with the DLL that can be fixed by putting it inside another DLL. The first thing you should do is try and find out why it is crashing, rather than trying to fix a problem which may not exist.
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I have been back to the body that wrote the DLL and they arent interested and I have no idea and no time or inclination to find out why it wont work properly. I am looking for an answer to the question I posed as this is meant to be the idea of this forum is it not?
but I dont know how to add s.dll to my new dll that im writing in VS6
For your new DLL project, you do not need to add s.dll to it. Rather you will need to add headers (s.h) to one of your source files and then when you link your DLL, you will need to include a library file (s.lib) in the libraries list. Do you have those files available to use?
As Richard was mentioning though, it would be a good idea to find out why the crash is occurring in the first place. Without that knowledge, how do you ensure that your DLL project wont have the same issue.
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