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我在 C++ 中应用 Invoke 来使用应用程序的对象,但发生了错误。错误:信息不可用,没有为 GPNSAutomation.dll 加载符号我的代码是:

 ::CLSIDFromProgID(OLESTR("SGNSAutomation.SGNSApplication"), &clsid);
IID iid;
  HRESULT hr = CoCreateInstance(clsid, NULL, CLSCTX_ALL, 
  IID_IDispatch, (LPVOID*)&pWMPDispatch);
  IDispatch * pdisp = (IDispatch *)NULL;
  DISPID dispid;
  DISPPARAMS  params= {NULL,NULL,0,0};
 params.cArgs =1;
  OLECHAR * Name = OLESTR("importCase");
 HRESULT hresult =pWMPDispatch->GetIDsOfNames(IID_NULL, 
     &Name,1,LOCALE_SYSTEM_DEFAULT,&dispid);
  hresult =pWMPDispatch->Invoke(dispid, IID_NULL, LOCALE_USER_DEFAULT, 
            DISPATCH_METHOD, &params, NULL, NULL,
                          NULL);  

_ASSERT(hr==S_OK);
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