<sathya.krishnamurthy@gmail.com> wrote in message
news:1127912663.330068.71920@g14g2000cwa.googlegroups.com...
> Hello Everybody
>
> I have an ActiveX DLL, the base implementation is
>
> HRESULT GlobalComputeClass ([in] VARIANT *inArr, [out,retval] double
> *pval);
>
> The VARIANT array contains all doubles. The implementation is
>
> STDMETHODIMP CMP::GlobalComputeClass (VARIANT *inArr, double *pVal) {
> // Trying to access the the double array
> double *internalArray;
> if (SafeArrayAccessData(*inArr->pparray, (void HUGEP
> **)&internalArray) != S_OK) {
> cout << "Unable to access input array"<<endl;
> }
> ....
> }
>
> The ActiveX DLL works wonderfully when I try to access the function
> using Excel Macros. Now, I tried to use C# (Using Visual C# Express). I
> added the PCMLibrary as a reference.
>
> The object inside the C# is now available as
> public virtual double GlobalComputeClass(ref object inArr)
>
> static void Main(string[] args)
> {
> CMPLib.CMPClass test = new CMPLib.CMPClass();
>
> Double[] fvalue = { 1, 2, 3, 4, 5 };
> VariantWrapper var = new VariantWrapper(fvalue);
> object mval = (object)fvalue;
> try
> {
> double retval = test.GlobalComputeClass (ref mval);
> }
> catch (Exception e)
> {
> Console.WriteLine("{0} Exception caught.", e);
> }
> }
>
> This creates an exception as
> "System.Runtime.InteropServices.COMException (0x80010105): The server
> threw an exception. (Exception from HRESULT: 0x80010105
> (RPC_E_SERVERFAULT))"
>
> I tried several techniques, but since Im very new to this C#, I dont
> have a clue where the problem.
>
> Can someone please help me out ?
>
> Thanks a lot.
>
> Cheers
> Sathya
>

<sathya.krishnamurthy@gmail.com> wrote in message
news:1127912663.330068.71920@g14g2000cwa.googlegroups.com...
> Hello Everybody
>
> I have an ActiveX DLL, the base implementation is
>
> HRESULT GlobalComputeClass ([in] VARIANT *inArr, [out,retval] double
> *pval);
>
> The VARIANT array contains all doubles. The implementation is
>
> STDMETHODIMP CMP::GlobalComputeClass (VARIANT *inArr, double *pVal) {
> // Trying to access the the double array
> double *internalArray;
> if (SafeArrayAccessData(*inArr->pparray, (void HUGEP
> **)&internalArray) != S_OK) {
> cout << "Unable to access input array"<<endl;
> }
> ....
> }
>
> The ActiveX DLL works wonderfully when I try to access the function
> using Excel Macros. Now, I tried to use C# (Using Visual C# Express). I
> added the PCMLibrary as a reference.
>
> The object inside the C# is now available as
> public virtual double GlobalComputeClass(ref object inArr)
>
> static void Main(string[] args)
> {
> CMPLib.CMPClass test = new CMPLib.CMPClass();
>
> Double[] fvalue = { 1, 2, 3, 4, 5 };
> VariantWrapper var = new VariantWrapper(fvalue);
> object mval = (object)fvalue;
> try
> {
> double retval = test.GlobalComputeClass (ref mval);
> }
> catch (Exception e)
> {
> Console.WriteLine("{0} Exception caught.", e);
> }
> }
>
> This creates an exception as
> "System.Runtime.InteropServices.COMException (0x80010105): The server
> threw an exception. (Exception from HRESULT: 0x80010105
> (RPC_E_SERVERFAULT))"
>
> I tried several techniques, but since Im very new to this C#, I dont
> have a clue where the problem.
>
> Can someone please help me out ?
>
> Thanks a lot.
>
> Cheers
> Sathya
>