Esempi in C++ (Cpp) per CLibrary::GetProc

Esempio n. 1

File: RegistryPlugins.cpp Progetto: walrus8u/extract

static bool ReadPluginInfo(CPluginInfo &pluginInfo, bool needCheckDll)
{
  if (needCheckDll)
  {
    NDLL::CLibrary lib;
    if (!lib.LoadEx(pluginInfo.FilePath, LOAD_LIBRARY_AS_DATAFILE))
      return false;
  }
  NDLL::CLibrary lib;
  if (!lib.Load(pluginInfo.FilePath))
    return false;
  GetPluginPropertyFunc getPluginProperty = (GetPluginPropertyFunc)lib.GetProc("GetPluginProperty");
  if (getPluginProperty == NULL)
    return false;
  
  NCOM::CPropVariant prop;
  if (getPluginProperty(NPlugin::kName, &prop) != S_OK)
    return false;
  if (prop.vt != VT_BSTR)
    return false;
  pluginInfo.Name = prop.bstrVal;
  prop.Clear();
  
  if (getPluginProperty(NPlugin::kClassID, &prop) != S_OK)
    return false;
  if (prop.vt == VT_EMPTY)
    pluginInfo.ClassIDDefined = false;
  else if (prop.vt != VT_BSTR)
    return false;
  else
  {
    pluginInfo.ClassIDDefined = true;
    pluginInfo.ClassID = *(const GUID *)prop.bstrVal;
  }
  prop.Clear();
  
  if (getPluginProperty(NPlugin::kOptionsClassID, &prop) != S_OK)
    return false;
  if (prop.vt == VT_EMPTY)
    pluginInfo.OptionsClassIDDefined = false;
  else if (prop.vt != VT_BSTR)
    return false;
  else
  {
    pluginInfo.OptionsClassIDDefined = true;
    pluginInfo.OptionsClassID = *(const GUID *)prop.bstrVal;
  }
  prop.Clear();

  if (getPluginProperty(NPlugin::kType, &prop) != S_OK)
    return false;
  if (prop.vt == VT_EMPTY)
    pluginInfo.Type = kPluginTypeFF;
  else if (prop.vt == VT_UI4)
    pluginInfo.Type = (EPluginType)prop.ulVal;
  else
    return false;
  return true;
}