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//-----------------------------------------------------------------
bool MyClient::executeServerRequest(const XmlRpcValue &inParam, XmlRpcValue &outResult)
{
  //protection. this piece of code schould run only once a time	
  QMutexLocker locker(&m_Mutex);

  bool bResult=true;

  //show wait animation as long as we proceed the request	
  m_pWaitWidget->show();
  
  //retrieve data from server in thread
  QionXmlRpcThread callThread(inParam,outResult);
  callThread.start();

  //proceed events to keep wait animation going
  while(callThread.isRunning())
    //callThread don't begin to work till first call of QApplication::processEvents
    QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);

  //destroy thread	
  callThread.terminate();
  callThread.wait();
	
  //hide wait animation 
  m_pWaitWidget->hide();

  return bResult;
}