// GMT0ブローカー禁止・サマータイム自動調整
string   BrokerName0 = "Ava Trad"; // Ava "Ava Trade Ltd.";
string   BrokerName1 = "Exness T"; // Exness "Exness Technologies Ltd";
string   BrokerName2 = "HF Marke"; // HFM "HF Markets (SV) Ltd.";"HF Markets(SV)Ltd.";
string   BrokerName3 = "Tradexfi"; // XM "Tradexfin Limited";
string   BrokerName4 = "FinTrade"; // XM "FinTrade Limited";
string   BrokerName5 = "NOTESCO "; // IronFX "NOTESCO Ltd";


int OnInit()
{
//+------------------------------------------------------------------+
// GMT0ブローカー稼働禁止
   if (StringSubstr(AccountCompany(), 0, 8) == BrokerName0
    || StringSubstr(AccountCompany(), 0, 8) == BrokerName1
   )
   {
      Alert(
		WindowExpertName() + " cannot run on brokers at GMT0" 
		+ "\n"
		+ "GMT0のブローカーは稼働できません"
		);
      return(INIT_FAILED);
   }
//+------------------------------------------------------------------+
// サマータイム自動調整
   if (StringSubstr(AccountCompany(), 0, 8) == BrokerName1)
   {
      Summertime = 0;
   }
   else if (StringSubstr(AccountCompany(), 0, 8) == BrokerName2
         || StringSubstr(AccountCompany(), 0, 8) == BrokerName3
         || StringSubstr(AccountCompany(), 0, 8) == BrokerName4
         || StringSubstr(AccountCompany(), 0, 8) == BrokerName5
   )
   {
      Summertime = 2;
   }
   else
   {
      Summertime = 1;
   }
   Print(Summertime == 0? "No summertime" : Summertime == 2? "European(UK) summertime" : "American summertime");
//+------------------------------------------------------------------+
   return(0);
}