EndSession Example for C++ 5.0 and later

   ILEADRasterTwain * pltRasTwain;   
   ICapability * pCapability = NULL; 
   ICapabilityOneValue * pCapOV = NULL; 
   ILEADRasterVariant * CapVal = NULL; 
   CoCreateInstance(CLSID_LEADRasterVariant, NULL, CLSCTX_ALL, 
                                   IID_ILEADRasterVariant, (void **)&CapVal); 

   ::CoCreateInstance (CLSID_LEADRasterTwainCapability, NULL, CLSCTX_ALL, IID_ICapability, (void **)&pCapability); 
   pCapability->QueryInterface (IID_ICapabilityOneValue, (void **)&pCapOV); 

   pltRasTwain->InitSession((long)m_hWnd); 

   pCapability->EnableMethodErrors = FALSE; 
   pCapability->Capability = L_ICAP_XFERMECH; 
   pCapability->ConType = L_TWON_ONEVALUE; 

   CapVal->Type = VALUE_USHORT; 
   CapVal->LongValue = L_TWSX_FILE; 

   pCapOV->put_OneValItemType (L_TWTY_UINT16); 
   pCapOV->put_OneValCapValue (CapVal); 

   pltRasTwain->SetCapability (pCapability, L_LTWAIN_CAPABILITY_SET); 

   pltRasTwain->Acquire(L_LTWAIN_SHOW_USER_INTERFACE); 
   pltRasTwain->EndSession();
   CapVal->Release ();