SelectPosition

void  SelectPosition()

//+------------------------------------------------------------------+
//| 持仓选择                                                          |
//| INPUT:  no.                                                      |
//| OUTPUT: no.                                                      |
//| REMARK: no.                                                      |
//+------------------------------------------------------------------+
bool CExpert::SelectPosition(void)
  {
   bool res=false;
//---
   if(m_margin_mode==ACCOUNT_MARGIN_MODE_RETAIL_HEDGING)
      res=m_position.SelectByMagic(m_symbol.Name(),m_magic);
   else
      res=m_position.Select(m_symbol.Name());
//---
   return(res);
  }