VC++ 2005 Beta2, Mixed types not supported

The error is in fact a warning. We chose to expose it as an error in Beta2 in order to highlight that mixed types (embedding native types into a managed class) are not supported. The only kind of native type you can embed are simple values (i.e. "double i"). However, you are still free to disable the warning through #pragma warning(disable:4368)
Thanks,
--
Boris Jabes, Visual C++ Team
This post is provided "AS IS" with no warranties, and confers no rights

Hi,

Definitley, you cannot have a native array of doubles as a member of a managed type. It's because native arrays are allocated on the native stack whereas managed objects are on the managed heap, hence creating a problem. Remember that managed types are non-determiniscally being move by the GC(Garbage collector).

But you could just make a native pointer (that points to your array) to be a member of your managed class... eg...

ref class myClass {
public:
double* _myPtr;
myClass(){
_myPtr = new double[20];
};
~myClass() {
delete _myPtr;
};
}

int main() {
myClass^ temp = gcnew myClass();
temp->_myPtr[0] = 100.0;
// don't forget to delete the managed object to be able to delete the resources..
delete temp;
}
Hope this gets you started...
BTW, heres a link that jochen gave me that discusses the Finalization, Dispose pattern...
http://www.bluebytesoftware.com/blog/PermaLink.aspx?guid=88e62cdf-5919-4ac7-bc33-20c06ae539ae
cheers,
Paul June A. Domag