CustomTicksDelete

지정된 시간 간격 동안 사용자 지정 심볼의 가격 내역에서 모든 틱을 삭제.

int  CustomTicksDelete(
   const string     symbol,            // 심볼 이름
   long             from_msc,          // 시작일
   long             to_msc             // 종료일
   );

매개변수

심볼

[in]  사용자 지정 심볼 이름.

from_msc

[in]  가격 내역에서 제거할 지정된 범위 내의 첫 번째 틱 시간. 1970년 1월 1일 이후 시간(밀리초).

to_msc

[in]  가격 내역에서 제거할 지정된 범위 내의 마지막 틱 시간. 1970년 1월 1일 이후 시간(밀리초).

값 반환

Number of deleted ticks or -1 in case of an 오류가 발생한 경우 삭제된 틱 또는 -1.

 

예:

//+------------------------------------------------------------------+
//|                                            CustomTicksDelete.mq5 |
//|                                  Copyright 2024, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2024, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"
 
#define   CUSTOM_SYMBOL_NAME     Symbol()+".C"     // 사용자 지정 심볼명
#define   CUSTOM_SYMBOL_PATH     "Forex"           // 심볼을 생성할 그룹 명
#define   CUSTOM_SYMBOL_ORIGIN   Symbol()          // 사용자 정의 심볼의 기반이 되는 심볼 명
 
#define   DATATICKS_TO_COPY      UINT_MAX          // 복사 되는 틱의 수
#define   DATATICKS_TO_DELETE    10                // number of deleted ticks
#define   DATATICKS_TO_PRINT     20                // 저널에 보내진 틱의 수
 
//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
//--- 사용자 정의 심볼을 생성할 때 오류 코드를 가져옵니다.
   int create=CreateCustomSymbol(CUSTOM_SYMBOL_NAMECUSTOM_SYMBOL_PATHCUSTOM_SYMBOL_ORIGIN);
   
//--- 오류 코드가 0(심볼 생성 성공)도 아니고 5304(심볼이 이미 생성됨)도 아닌 경우 - 그대로 둠
   if(create!=0 && create!=5304)
      return;
 
//--- 표준 심볼 틱 데이터를 MqlTick 배열로 가져옵니다.
   MqlTick array[]={};
   if(!GetTicksToArray(CUSTOM_SYMBOL_ORIGINDATATICKS_TO_COPYarray))
      return;
   
//--- 표준 심볼의 첫 번째 및 마지막 수신 틱 시간을 출력합니다.
   int total=(int)array.Size();
   PrintFormat("First tick time: %s.%03u, Last tick time: %s.%03u",
               TimeToString(array[0].time,TIME_DATE|TIME_MINUTES|TIME_SECONDS), array[0].time_msc%1000,
               TimeToString(array[total-1].timeTIME_DATE|TIME_MINUTES|TIME_SECONDS), array[total-1].time_msc%1000);
               
//--- 저널에 있는 표준 심볼의 마지막 틱 DATATICKS_TO_PRINT를 출력합니다.
   PrintFormat("\nThe last %d ticks for the standard symbol '%s':"DATATICKS_TO_PRINTCUSTOM_SYMBOL_ORIGIN);
   for(int i=total-DATATICKS_TO_PRINTi<totali++)
     {
      if(i<0)
         continue;
      PrintFormat("  %dth Tick: %s"iGetTickDescription(array[i]));
     }
   
//--- 종합 시세 창에 사용자 정의 심볼을 추가합니다.
   ResetLastError();
   if(!SymbolSelect(CUSTOM_SYMBOL_NAMEtrue))
     {
      Print("SymbolSelect() failed. Error "GetLastError());
      return;
     }
     
//--- 사용자 지정 심볼 가격 히스토리에 틱 배열 데이터를 추가합니다.
   Print("...");
   uint start=GetTickCount();
   PrintFormat("Start of adding %u ticks to the history of the custom symbol '%s'"array.Size(), CUSTOM_SYMBOL_NAME);
   int added=CustomTicksAdd(CUSTOM_SYMBOL_NAMEarray);
   PrintFormat("Added %u ticks to the history of the custom symbol '%s' in %u ms"addedCUSTOM_SYMBOL_NAMEGetTickCount()-start);
   
//--- MqlTick 배열에 새로 추가된 사용자 정의 심볼 틱 데이터를 가져옵니다.
   Print("...");
   if(!GetTicksToArray(CUSTOM_SYMBOL_NAMEarray.Size(), array))
      return;
   
//--- 사용자 정의 심볼의 첫 번째 및 마지막 수신 틱 시간을 출력합니다.
   total=(int)array.Size();
   PrintFormat("First tick time: %s.%03u, Last tick time: %s.%03u",
               TimeToString(array[0].timeTIME_DATE|TIME_MINUTES|TIME_SECONDS), array[0].time_msc%1000,
               TimeToString(array[total-1].timeTIME_DATE|TIME_MINUTES|TIME_SECONDS), array[total-1].time_msc%1000);
               
//--- 저널에 있는 사용자 정의 심볼의 마지막 틱 DATATICKS_TO_PRINT를 출력합니다.
   PrintFormat("\nThe last %d ticks for the custom symbol '%s':"DATATICKS_TO_PRINTCUSTOM_SYMBOL_NAME);
   for(int i=total-DATATICKS_TO_PRINTi<totali++)
     {
      if(i<0)
         continue;
      PrintFormat("  %dth Tick: %s"iGetTickDescription(array[i]));
     }
 
//--- 히스토리에서 틱 범위를 삭제할 틱 시간을 밀리초 단위로 가져옵니다.
   long time_from=array[total-DATATICKS_TO_DELETE-1].time_msc;
     
//--- 삭제 DATATICKS_TO_DELETE 배열에서 사용자 정의 심볼의 마지막 틱 범위
   Print("...");
   start=GetTickCount();
   PrintFormat("Start deleting %u ticks in the history of the custom symbol '%s'"DATATICKS_TO_DELETECUSTOM_SYMBOL_NAME);
   int deleted=CustomTicksDelete(CUSTOM_SYMBOL_NAMEtime_fromarray[total-2].time_msc);
   PrintFormat("Deleted %u ticks in the history of the custom symbol '%s' in %u ms"deletedCUSTOM_SYMBOL_NAMEGetTickCount()-start);
   
//--- 새로 수정된 사용자 정의 심볼 틱 데이터를 MqlTick 배열로 가져옵니다.
   Print("...");
   if(!GetTicksToArray(CUSTOM_SYMBOL_NAMEarray.Size(), array))
      return;
   
//--- 틱 범위가 제거된 사용자 정의 심볼의 첫 번째 및 마지막 틱 시간을 출력합니다.
   total=(int)array.Size();
   PrintFormat("Time of the first tick from the changed history: %s.%03u, Time of the last tick from the changed history: %s.%03u",
               TimeToString(array[0].timeTIME_DATE|TIME_MINUTES|TIME_SECONDS), array[0].time_msc%1000,
               TimeToString(array[total-1].timeTIME_DATE|TIME_MINUTES|TIME_SECONDS), array[total-1].time_msc%1000);
               
//--- 저널에 있는 사용자 정의 심볼의 마지막 틱 DATATICKS_TO_PRINT를 출력합니다.
   PrintFormat("\nThe last %d ticks of custom symbol '%s' with modified history:"DATATICKS_TO_PRINTCUSTOM_SYMBOL_NAME);
   for(int i=total-DATATICKS_TO_PRINTi<totali++)
     {
      if(i<0)
         continue;
      PrintFormat("  %dth Tick: %s"iGetTickDescription(array[i]));
     }
 
//--- 차트 주석에 스크립트 종료 키에 대한 힌트를 표시합니다.
   Comment(StringFormat("Press 'Esc' to exit or 'Del' to delete the '%s' symbol and exit"CUSTOM_SYMBOL_NAME));
//--- Esc 또는 Del 키를 눌러 무한 루프를 종료할 때까지 기다립니다.
   while(!IsStopped() && TerminalInfoInteger(TERMINAL_KEYSTATE_ESCAPE)==0)
     {
      Sleep(16);
//--- Del 키를 누르면 생성된 사용자 정의 심볼 및 해당 데이터가 삭제됩니다.
      if(TerminalInfoInteger(TERMINAL_KEYSTATE_DELETE)<0)
        {
//--- 바 데이터 삭제
         int deleted=CustomRatesDelete(CUSTOM_SYMBOL_NAME0LONG_MAX);
         if(deleted>0)
            PrintFormat("%d history bars of the custom symbol '%s' were successfully deleted"deletedCUSTOM_SYMBOL_NAME);
         
         //--- 틱 데이터 삭제
         deleted=CustomTicksDelete(CUSTOM_SYMBOL_NAME0LONG_MAX);
         if(deleted>0)
            PrintFormat("%d history ticks of the custom symbol '%s' were successfully deleted"deletedCUSTOM_SYMBOL_NAME);
         
         //--- 심볼 삭제
         if(DeleteCustomSymbol(CUSTOM_SYMBOL_NAME))
            PrintFormat("Custom symbol '%s' deleted successfully"CUSTOM_SYMBOL_NAME);
         break;
        }
     }
//--- 종료하기 전에 차트를 삭제
   Comment("");
   /*
   결과:
   Requested 4294967295 ticks to get tick history for the symbol 'EURUSD'
   The tick history for the 'EURUSDsymbol is received in the amount of 351199027 ticks in 55875 ms
   First tick time2011.12.19 00:00:08.000Last tick time2024.06.21 10:10:40.392
   
   The last 20 ticks for the standard symbol 'EURUSD':
     351199007th Tick2024.06.21 10:10:23.045 Bid=1.07032 (Info tick)
     351199008th Tick2024.06.21 10:10:24.045 Ask=1.07031 Bid=1.07031 (Info tick)
     351199009th Tick2024.06.21 10:10:24.545 Ask=1.07032 (Info tick)
     351199010th Tick2024.06.21 10:10:25.146 Bid=1.07032 (Info tick)
     351199011th Tick2024.06.21 10:10:25.649 Ask=1.07037 Bid=1.07037 (Info tick)
     351199012th Tick2024.06.21 10:10:27.050 Ask=1.07036 Bid=1.07036 (Info tick)
     351199013th Tick2024.06.21 10:10:28.153 Ask=1.07039 Bid=1.07039 (Info tick)
     351199014th Tick2024.06.21 10:10:29.157 Ask=1.07037 Bid=1.07037 (Info tick)
     351199015th Tick2024.06.21 10:10:29.658 Ask=1.07036 Bid=1.07036 (Info tick)
     351199016th Tick2024.06.21 10:10:30.258 Bid=1.07036 (Info tick)
     351199017th Tick2024.06.21 10:10:30.872 Ask=1.07035 Bid=1.07035 (Info tick)
     351199018th Tick2024.06.21 10:10:31.358 Ask=1.07036 (Info tick)
     351199019th Tick2024.06.21 10:10:31.859 Ask=1.07037 Bid=1.07037 (Info tick)
     351199020th Tick2024.06.21 10:10:32.377 Ask=1.07039 Bid=1.07039 (Info tick)
     351199021th Tick2024.06.21 10:10:32.962 Ask=1.0704 Bid=1.0704 (Info tick)
     351199022th Tick2024.06.21 10:10:33.961 Ask=1.07039 Bid=1.07039 (Info tick)
     351199023th Tick2024.06.21 10:10:34.667 Ask=1.0704 (Info tick)
     351199024th Tick2024.06.21 10:10:35.170 Bid=1.0704 (Info tick)
     351199025th Tick2024.06.21 10:10:38.266 Ask=1.07041 Bid=1.07041 (Info tick)
     351199026th Tick2024.06.21 10:10:40.392 Ask=1.07042 Bid=1.07042 (Info tick)
   ...
   Start of adding 351199027 ticks to the history of the custom symbol 'EURUSD.C'
   Added 351199027 ticks to the history of the custom symbol 'EURUSD.Cin 261594 ms
   ...
   Requested 351199027 ticks to get tick history for the symbol 'EURUSD.C'
   The tick history for the 'EURUSD.Csymbol is received in the amount of 351199027 ticks in 137156 ms
   First tick time2011.12.19 00:00:08.000Last tick time2024.06.21 10:10:40.392
   
   The last 20 ticks for the custom symbol 'EURUSD.C':
     351199007th Tick2024.06.21 10:10:23.045 Ask=1.07032 Bid=1.07032 (Info tick)
     351199008th Tick2024.06.21 10:10:24.045 Ask=1.07031 Bid=1.07031 (Info tick)
     351199009th Tick2024.06.21 10:10:24.545 Ask=1.07032 Bid=1.07032 (Info tick)
     351199010th Tick2024.06.21 10:10:25.146 Ask=1.07032 Bid=1.07032 (Info tick)
     351199011th Tick2024.06.21 10:10:25.649 Ask=1.07037 Bid=1.07037 (Info tick)
     351199012th Tick2024.06.21 10:10:27.050 Ask=1.07036 Bid=1.07036 (Info tick)
     351199013th Tick2024.06.21 10:10:28.153 Ask=1.07039 Bid=1.07039 (Info tick)
     351199014th Tick2024.06.21 10:10:29.157 Ask=1.07037 Bid=1.07037 (Info tick)
     351199015th Tick2024.06.21 10:10:29.658 Ask=1.07036 Bid=1.07036 (Info tick)
     351199016th Tick2024.06.21 10:10:30.258 Ask=1.07036 Bid=1.07036 (Info tick)
     351199017th Tick2024.06.21 10:10:30.872 Ask=1.07035 Bid=1.07035 (Info tick)
     351199018th Tick2024.06.21 10:10:31.358 Ask=1.07036 Bid=1.07036 (Info tick)
     351199019th Tick2024.06.21 10:10:31.859 Ask=1.07037 Bid=1.07037 (Info tick)
     351199020th Tick2024.06.21 10:10:32.377 Ask=1.07039 Bid=1.07039 (Info tick)
     351199021th Tick2024.06.21 10:10:32.962 Ask=1.0704 Bid=1.0704 (Info tick)
     351199022th Tick2024.06.21 10:10:33.961 Ask=1.07039 Bid=1.07039 (Info tick)
     351199023th Tick2024.06.21 10:10:34.667 Ask=1.0704 Bid=1.0704 (Info tick)
     351199024th Tick2024.06.21 10:10:35.170 Ask=1.0704 Bid=1.0704 (Info tick)
     351199025th Tick2024.06.21 10:10:38.266 Ask=1.07041 Bid=1.07041 (Info tick)
     351199026th Tick2024.06.21 10:10:40.392 Ask=1.07042 Bid=1.07042 (Info tick)
   ...
   Start deleting 10 ticks in the history of the custom symbol 'EURUSD.C'
   Deleted 10 ticks in the history of the custom symbol 'EURUSD.Cin 188 ms
   ...
   Requested 351199027 ticks to get tick history for the symbol 'EURUSD.C'
   The tick history for the 'EURUSD.Csymbol is received in the amount of 351199017 ticks in 138312 ms
   Time of the first tick from the changed history2011.12.19 00:00:08.000Time of the last tick from the changed history2024.06.21 10:10:40.392
   
   The last 20 ticks of custom symbol 'EURUSD.Cwith modified history:
     351198997th Tick2024.06.21 10:10:14.935 Ask=1.07036 Bid=1.07036 (Info tick)
     351198998th Tick2024.06.21 10:10:15.533 Ask=1.07035 Bid=1.07035 (Info tick)
     351198999th Tick2024.06.21 10:10:17.736 Ask=1.07036 Bid=1.07036 (Info tick)
     351199000th Tick2024.06.21 10:10:18.540 Ask=1.07037 Bid=1.07037 (Info tick)
     351199001th Tick2024.06.21 10:10:19.046 Ask=1.07038 Bid=1.07038 (Info tick)
     351199002th Tick2024.06.21 10:10:19.542 Ask=1.07036 Bid=1.07036 (Info tick)
     351199003th Tick2024.06.21 10:10:20.041 Ask=1.07035 Bid=1.07035 (Info tick)
     351199004th Tick2024.06.21 10:10:21.041 Ask=1.07035 Bid=1.07035 (Info tick)
     351199005th Tick2024.06.21 10:10:21.544 Ask=1.07032 Bid=1.07032 (Info tick)
     351199006th Tick2024.06.21 10:10:22.344 Ask=1.07032 Bid=1.07032 (Info tick)
     351199007th Tick2024.06.21 10:10:23.045 Ask=1.07032 Bid=1.07032 (Info tick)
     351199008th Tick2024.06.21 10:10:24.045 Ask=1.07031 Bid=1.07031 (Info tick)
     351199009th Tick2024.06.21 10:10:24.545 Ask=1.07032 Bid=1.07032 (Info tick)
     351199010th Tick2024.06.21 10:10:25.146 Ask=1.07032 Bid=1.07032 (Info tick)
     351199011th Tick2024.06.21 10:10:25.649 Ask=1.07037 Bid=1.07037 (Info tick)
     351199012th Tick2024.06.21 10:10:27.050 Ask=1.07036 Bid=1.07036 (Info tick)
     351199013th Tick2024.06.21 10:10:28.153 Ask=1.07039 Bid=1.07039 (Info tick)
     351199014th Tick2024.06.21 10:10:29.157 Ask=1.07037 Bid=1.07037 (Info tick)
     351199015th Tick2024.06.21 10:10:29.658 Ask=1.07036 Bid=1.07036 (Info tick)
     351199016th Tick2024.06.21 10:10:40.392 Ask=1.07042 Bid=1.07042 (Info tick)
   */
  }
//+------------------------------------------------------------------+
//| 사용자 지정 심볼 생성, 에러 코드 반환                |
//+------------------------------------------------------------------+
int CreateCustomSymbol(const string symbol_nameconst string symbol_pathconst string symbol_origin=NULL)
  {
//--- 사용자 정의 심볼의 기반이 될 심볼명을 정의합니다.
   string origin=(symbol_origin==NULL ? Symbol() : symbol_origin);
   
//--- 사용자 정의 심볼 생성에 실패했고 오류 5304가 아닌 경우 저널에 이를 보고합니다.
   ResetLastError();
   int error=0;
   if(!CustomSymbolCreate(symbol_namesymbol_pathorigin))
     {
      error=GetLastError();
      if(error!=5304)
         PrintFormat("CustomSymbolCreate(%s, %s, %s) failed. Error %d"symbol_namesymbol_pathoriginerror);
     }
//--- 성공
   return(error);
  }
//+------------------------------------------------------------------+
//| 사용자 정의 심볼 삭제                                           |
//+------------------------------------------------------------------+
bool DeleteCustomSymbol(const string symbol_name)
  {
//--- 종합시세 창에서 심볼 숨기기
   ResetLastError();
   if(!SymbolSelect(symbol_namefalse))
     {
      PrintFormat("SymbolSelect(%s, false) failed. Error %d"GetLastError());
      return(false);
     }
      
//--- 사용자 정의 심볼 삭제에 실패한 경우 이를 저널에 보고하고 'false'를 반환합니다.
   ResetLastError();
   if(!CustomSymbolDelete(symbol_name))
     {
      PrintFormat("CustomSymbolDelete(%s) failed. Error %d"symbol_nameGetLastError());
      return(false);
     }
//--- 성공
   return(true);
  }
//+------------------------------------------------------------------+
//| 배열에서 지정된 틱 수를 가져옵니다.                   |
//+------------------------------------------------------------------+
bool GetTicksToArray(const string symbolconst uint countMqlTick &array[])
  {
//--- 히스토리 데이터 로딩의 시작을 알립니다.
   PrintFormat("Requested %u ticks to get tick history for the symbol '%s'"countsymbol);
   
//--- 틱 수신을 위해 3번 시도합니다.
   int attempts=0;
   while(attempts<3)
     {
      //--- 틱을 받기 전에 시작 시간을 측정합니다.
      uint start=GetTickCount();
      
      //--- 1970.01.01 00:00.001 이후의 틱 내역을 요청합니다(매개변수 =1ms)
      int received=CopyTicks(symbolarrayCOPY_TICKS_ALL1count);
      if(received!=-1)
        {
         //--- 틱 수 및 소요 시간에 대한 정보 표시 
         PrintFormat("The tick history for the '%s' symbol is received in the amount of %u ticks in %d ms"symbolreceivedGetTickCount()-start);
         
         //--- 틱 히스토리가 동기화되면 오류 코드는 0과 같습니다. - 'true'를 반환합니다.
         if(GetLastError()==0)
            return(true);
 
         PrintFormat("%s: Ticks are not synchronized yet, %d ticks received for %d ms. Error=%d"
                     symbolreceivedGetTickCount()-startGetLastError());
        }
      //--- 카운트 시도
      attempts++; 
      //--- 틱 데이터베이스 동기화가 끝날 때까지 기다리기 위한 1초 일시 중지 
      Sleep(1000);
     }
//--- 3번의 시도에서 틱 복사에 실패했습니다.
   return(false);
  }
//+------------------------------------------------------------------+ 
//| 틱의 문자열 설명을 반환합니다.                          |
//+------------------------------------------------------------------+ 
string GetTickDescription(MqlTick &tick
  { 
   string desc=StringFormat("%s.%03u "TimeToString(tick.timeTIME_DATE|TIME_MINUTES|TIME_SECONDS),tick.time_msc%1000);
   
//--- 틱 플래그 체크
   bool buy_tick   = ((tick.flags &TICK_FLAG_BUY)   == TICK_FLAG_BUY); 
   bool sell_tick  = ((tick.flags &TICK_FLAG_SELL)  == TICK_FLAG_SELL); 
   bool ask_tick   = ((tick.flags &TICK_FLAG_ASK)   == TICK_FLAG_ASK); 
   bool bid_tick   = ((tick.flags &TICK_FLAG_BID)   == TICK_FLAG_BID); 
   bool last_tick  = ((tick.flags &TICK_FLAG_LAST)  == TICK_FLAG_LAST); 
   bool volume_tick= ((tick.flags &TICK_FLAG_VOLUME)== TICK_FLAG_VOLUME); 
   
//--- 우선 거래 플래그에 대한 체크를 확인하십시오(CustomTicksAdd()에는 플래그가 없습니다).
   if(buy_tick || sell_tick
     { 
      //--- 거래 틱에 대한 출력 형성 
      desc += (buy_tick ? StringFormat("Buy Tick: Last=%G Volume=%d "tick.lasttick.volume)  : ""); 
      desc += (sell_tickStringFormat("Sell Tick: Last=%G Volume=%d ",tick.lasttick.volume) : ""); 
      desc += (ask_tick ? StringFormat("Ask=%G "tick.ask) : ""); 
      desc += (bid_tick ? StringFormat("Bid=%G "tick.ask) : ""); 
      desc += "(Trade tick)"
     } 
   else 
     { 
      //--- 정보 틱에 대한 출력을 약간 다르게 구성 
      desc += (ask_tick   ? StringFormat("Ask=%G ",  tick.ask)    : ""); 
      desc += (bid_tick   ? StringFormat("Bid=%G ",  tick.ask)    : ""); 
      desc += (last_tick  ? StringFormat("Last=%G "tick.last)   : ""); 
      desc += (volume_tickStringFormat("Volume=%d ",tick.volume): ""); 
      desc += "(Info tick)"
     } 
//--- 틱 설명 반환
   return(desc); 
  } 

 

추가 참조

CustomRatesDelete, CustomRatesUpdate, CustomTicksReplace, CopyTicks, CopyTicksRange