개체 가시성

void OnStart()
  {
//---
   string highlevel="PreviousDayHigh";
   string lowlevel="PreviousDayLow";
   double prevHigh;           // 전날 고가
   double prevLow;            // 전날 저가
   double highs[],lows[];     // 고가 및 저가 배열
 
//--- 마지막 오류 재설정
   ResetLastError();
//--- 일별 기간에서 마지막 2개의 높은 값을 가져오기
   int highsgot=CopyHigh(Symbol(),PERIOD_D1,0,2,highs);
   if(highsgot>0) // 복사가 성공인 경우
     {
      Print("지난 이틀간 고가를 성공적으로 가져왔습니다");
      prevHigh=highs[0]; // 전날 고가
      Print("prevHigh = ",prevHigh);
      if(ObjectFind(0,highlevel)<0) // 상위레벨 이름의 개체를 찾을 수 없습니다
        {
         ObjectCreate(0,highlevel,OBJ_HLINE,0,0,0); // 수평선 개체 생성
        }
      //--- 선 상위레벨의 가격 레벨 값 설정
      ObjectSetDouble(0,highlevel,OBJPROP_PRICE,0,prevHigh);
      //--- 가시성을 PERIOD_M10 및 PERIOD_H4로만 설정
      ObjectSetInteger(0,highlevel,OBJPROP_TIMEFRAMES,OBJ_PERIOD_M10|OBJ_PERIOD_H4);
     }
   else
     {
      Print("지난 이틀간 고가를 가져올 수 없습니다, 오류 = ",GetLastError());
     }
 
//--- 마지막 오류 재설정
   ResetLastError();
//--- 일별 기간에서 이틀간 저가 값 가져오기
   int lowsgot=CopyLow(Symbol(),PERIOD_D1,0,2,lows);
   if(lowsgot>0) // 복사가 성공인 경우
     {
      Print("지난 이틀간 저가를 성공적으로 가져왔습니다");
      prevLow=lows[0]; // 전날 저가
      Print("prevLow = ",prevLow);
      if(ObjectFind(0,lowlevel)<0) // 하위레벨 이름의 개체를 찾을 수 없습니다
        {
         ObjectCreate(0,lowlevel,OBJ_HLINE,0,0,0); // 수평선 개체 생성
        }
      //--- 하위레벨 선에 대한 가격 레벨 값 설정
      ObjectSetDouble(0,lowlevel,OBJPROP_PRICE,0,prevLow);
      //--- 가시성을 PERIOD_M10 및 PERIOD_H4로만 설정
      ObjectSetInteger(0,lowlevel,OBJPROP_TIMEFRAMES,OBJ_PERIOD_M10|OBJ_PERIOD_H4);
     }
   else Print("지난 이틀간 저가를 가져올 수 없습니다, 오류 = ",GetLastError());
 
   ChartRedraw(0); // 차트 강제 다시 그리기
  }