Two problems in VB and C++

Hi,

First:
I would like to know how is it possible to match tow DLL.
I've created a VB application that calls a C++ DLL which calls another DLL.
My program works quite well during 2 minutes. Then it stops and displays the following message.
"The memory could not be read"
I've tried to use the debugger in the C++ DLL and I've seen that the problem comes from the creation of a pointer in the C++ DLL that calls a function in the other DLL.


Second:
I would like to display a form created in a VB DLL with a C++ application. I have no idea to solve this problem.


Thank you very much.
Etienne


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