Redirect memory allocation for SafeArrayCreateVector

Anybody knows how to redirect the implicit memory allocation on the heap
when using the SafeArrayCreateVector. I want to pass a large array from my
C++ COM DLL to my .NET application using a SAFEARRAY** in argument to my
method in a COM interface. The memory pointer allocated seems to be in my
user process memory space and I would like to perform the allocation in the
shared memory region rather (0x42000000 and above).

I know SafeArrayCreateVector can be replaced by SafeArrayAllocDescriptor and
SafeArrayAllocData but I don't know how to hook my custom memory allocation
routine in that.

Richard


.

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