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in the ATL dll project there is one function with BYTE* Parameter.

STDMETHODIMP CMSDllServer::sum22(BYTE* aa,SHORT len)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState());
 
	
	for(int i=1;i<len;i++)
	{
		aa[i]=i;
	}
  return S_OK;
}

when call this function in a C# windows application this work correctly and array values returned to truth

byte[] Packet = new byte[5];
 
	dllServer.sum22(ref Packet[0],5);
 
       //Result values
         1,2,3,4,5




the same function in a webservice returned to only first index array and exist very big problem

<pre>byte[] Packet = new byte[5];
	dllServer.sum22(ref Packet[0],5);
 
       //Result values
         1,0,0,0,0


please help me

thanx
Posted 28-Apr-13 21:28pm

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