{"id":65714,"date":"2026-03-15T03:27:03","date_gmt":"2026-03-14T18:27:03","guid":{"rendered":"https:\/\/sys-tre.com\/forexguide\/?p=65714"},"modified":"2026-04-14T13:22:07","modified_gmt":"2026-04-14T04:22:07","slug":"mql4-event-handlers","status":"publish","type":"post","link":"https:\/\/sys-tre.com\/forexguide\/mql4-event-handlers\/","title":{"rendered":"MQL4 \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\uff5cOnInit\u30fbOnTick\u30fbOnTimer\u30fbOnChartEvent\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"

MQL4 \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u4f53\u7cfb\u7684\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002\u65e7\u5f62\u5f0f\u306einit()\/deinit()\/start()\u3068\u30d3\u30eb\u30c9600+\u3067\u5c0e\u5165\u3055\u308c\u305fOnInit()\/OnDeinit()\/OnTick()\u306e\u9055\u3044\u3001OnTimer()\u306b\u3088\u308b\u5b9a\u671f\u51e6\u7406\u3001OnChartEvent()\u306b\u3088\u308b\u30c1\u30e3\u30fc\u30c8\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3001EA\u30fb\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u30fb\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5b9f\u884c\u30e2\u30c7\u30eb\u306e\u9055\u3044\u3001\u65b0\u30d0\u30fc\u691c\u51fa\u30d1\u30bf\u30fc\u30f3\u3001UninitializeReason\u307e\u3067\u3001MT4\u30d7\u30ed\u30b0\u30e9\u30e0\u958b\u767a\u306b\u5fc5\u8981\u306a\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u3059\u3079\u3066\u3092\u30b3\u30fc\u30c9\u4ed8\u304d\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n

\"MQL4<\/figure>\n\n\n

MQL4\u3068MQL5\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u9055\u3044<\/h2>\n\n
\n
\u6a5f\u80fd<\/th>MQL4\uff08\u30d3\u30eb\u30c9600+\uff09<\/th>MQL5<\/th><\/tr><\/thead>
\u521d\u671f\u5316<\/td>OnInit() \/ init()<\/td>OnInit()<\/td><\/tr>
\u7d42\u4e86\u51e6\u7406<\/td>OnDeinit() \/ deinit()<\/td>OnDeinit()<\/td><\/tr>
\u30c6\u30a3\u30c3\u30af\u51e6\u7406<\/td>OnTick() \/ start()<\/td>OnTick()<\/td><\/tr>
\u30bf\u30a4\u30de\u30fc<\/td>OnTimer()<\/td>OnTimer()<\/td><\/tr>
\u30c1\u30e3\u30fc\u30c8\u30a4\u30d9\u30f3\u30c8<\/td>OnChartEvent()<\/td>OnChartEvent()<\/td><\/tr>
\u8a08\u7b97\u30a4\u30d9\u30f3\u30c8<\/td>OnCalculate()\uff08\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\uff09<\/td>OnCalculate()<\/td><\/tr>
\u53d6\u5f15\u30a4\u30d9\u30f3\u30c8<\/td>\u306a\u3057<\/td>OnTrade() \/ OnTradeTransaction()<\/td><\/tr>
\u30c6\u30b9\u30bf\u30fc\u30a4\u30d9\u30f3\u30c8<\/td>OnTester()<\/td>OnTester() \/ OnTesterInit() \/ OnTesterDeinit()<\/td><\/tr><\/tbody><\/table>\n<\/figure>\n\n

MQL4\u30d3\u30eb\u30c9600\u4ee5\u964d\u306f\u3001MQL5\u3068\u540c\u3058\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u540d\uff08OnInit\/OnDeinit\/OnTick\uff09\u304c\u4f7f\u3048\u307e\u3059\u3002\u65e7\u5f62\u5f0f\u306einit\/deinit\/start\u3082\u4e92\u63db\u6027\u306e\u305f\u3081\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u65b0\u898f\u958b\u767a\u3067\u306fOnXxx\u5f62\u5f0f\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n\n

\u65e7\u5f62\u5f0f vs \u65b0\u5f62\u5f0f<\/h2>\n\n

\u30d3\u30eb\u30c9600\uff082014\u5e74\uff09\u4ee5\u964d\u306eMT4\u3067\u306f\u3001MQL5\u4e92\u63db\u306eOnInit() \/ OnDeinit() \/ OnTick()<\/strong>\u5f62\u5f0f\u304c\u4f7f\u3048\u307e\u3059\u3002\u65e7\u5f62\u5f0f\u306einit\/deinit\/start\u3082\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u65b0\u5f62\u5f0f\u3067\u306fOnDeinit\u306ereason\u5f15\u6570<\/strong>\u3084OnInit\u306e\u5b9a\u6570\u623b\u308a\u5024<\/strong>\u306a\u3069\u3001\u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002\u65b0\u898f\u958b\u767a\u3067\u306f\u5fc5\u305a\u65b0\u5f62\u5f0f\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n

\u30d3\u30eb\u30c9600\uff082014\u5e74\uff09\u4ee5\u964d\u306eMT4\u3067\u306f\u3001MQL5\u4e92\u63db\u306eOnInit() \/ OnDeinit() \/ OnTick()<\/strong>\u5f62\u5f0f\u304c\u4f7f\u3048\u307e\u3059\u3002\u65e7\u5f62\u5f0f\u306einit\/deinit\/start\u3082\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u65b0\u5f62\u5f0f\u3067\u306fOnDeinit\u306ereason\u5f15\u6570<\/strong>\u3084OnInit\u306e\u5b9a\u6570\u623b\u308a\u5024<\/strong>\u306a\u3069\u3001\u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002\u65b0\u898f\u958b\u767a\u3067\u306f\u5fc5\u305a\u65b0\u5f62\u5f0f\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n

\/\/ \u65e7\u5f62\u5f0f\uff1a\u623b\u308a\u5024\u306e\u578b\u304c\u7570\u306a\u308b\nint init()\n  {\n   \/\/ \u521d\u671f\u5316\u51e6\u7406\n   Print(\"EA\u521d\u671f\u5316\uff08\u65e7\u5f62\u5f0f\uff09\");\n   return(0);  \/\/ 0=\u6210\u529f\n  }\n\nint deinit()\n  {\n   \/\/ \u7d42\u4e86\u51e6\u7406\n   Print(\"EA\u7d42\u4e86\uff08\u65e7\u5f62\u5f0f\uff09\");\n   return(0);\n  }\n\nint start()\n  {\n   \/\/ \u30c6\u30a3\u30c3\u30af\u3054\u3068\u306b\u5b9f\u884c\n   Print(\"\u30c6\u30a3\u30c3\u30af\u53d7\u4fe1\uff08\u65e7\u5f62\u5f0f\uff09\");\n   return(0);\n  }<\/code><\/pre><\/div>\n\n
\/\/ \u65b0\u5f62\u5f0f\uff1aMQL5\u3068\u540c\u3058\u66f8\u5f0f\nint OnInit()\n  {\n   \/\/ \u521d\u671f\u5316\u51e6\u7406\n   Print(\"EA\u521d\u671f\u5316\");\n   return(INIT_SUCCEEDED);  \/\/ \u5b9a\u6570\u3092\u4f7f\u7528\n  }\n\nvoid OnDeinit(const int reason)\n  {\n   \/\/ \u7d42\u4e86\u51e6\u7406\uff08\u7406\u7531\u30b3\u30fc\u30c9\u3092\u53d7\u3051\u53d6\u308c\u308b\uff09\n   Print(\"EA\u7d42\u4e86: reason=\", reason);\n  }\n\nvoid OnTick()\n  {\n   \/\/ \u30c6\u30a3\u30c3\u30af\u3054\u3068\u306b\u5b9f\u884c\n   \/\/ \u623b\u308a\u5024\u306a\u3057\uff08void\uff09\n  }<\/code><\/pre><\/div>\n\n
OnInit\uff1a\u521d\u671f\u5316<\/h2>\n\n
EA\u304c\u30c1\u30e3\u30fc\u30c8\u306b\u30a2\u30bf\u30c3\u30c1\u3055\u308c\u305f\u6642\u3001\u6642\u9593\u8ef8\u306e\u5909\u66f4\u6642\u3001\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b1\u56de\u3060\u3051\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n
\/\/ \u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\nint    PipMultiplier;\ndouble PipSize;\nstring EAName =\"MyEA v1.0\";\n\nint OnInit()\n  {\n   \/\/ \u53e3\u5ea7\u30c1\u30a7\u30c3\u30af\n   if(!IsTradeAllowed())\n     {\n      Alert(EAName,\": \u81ea\u52d5\u58f2\u8cb7\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u305b\u3093\");\n      return(INIT_FAILED);\n     }\n\n   \/\/ \u901a\u8ca8\u30da\u30a2\u30c1\u30a7\u30c3\u30af\n   if(Symbol() !=\"USDJPY\" && Symbol() !=\"GBPJPY\")\n     {\n      Alert(EAName,\": \u5bfe\u5fdc\u901a\u8ca8\u30da\u30a2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\");\n      return(INIT_PARAMETERS_INCORRECT);\n     }\n\n   \/\/ 5\u6841\u30d6\u30ed\u30fc\u30ab\u30fc\u5224\u5b9a\n   if(Digits == 3 || Digits == 5)\n     {\n      PipMultiplier = 10;\n      PipSize = Point * 10;\n     }\n   else\n     {\n      PipMultiplier = 1;\n      PipSize = Point;\n     }\n\n   \/\/ \u30bf\u30a4\u30de\u30fc\u958b\u59cb\uff081\u79d2\u9593\u9694\uff09\n   EventSetTimer(1);\n\n   \/\/ \u30c1\u30e3\u30fc\u30c8\u30b3\u30e1\u30f3\u30c8\n   Comment(EAName,\" - \u7a3c\u50cd\u4e2d\");\n\n   Print(EAName,\" \u521d\u671f\u5316\u5b8c\u4e86\");\n   return(INIT_SUCCEEDED);\n  }<\/code><\/pre><\/div>\n\n
OnInit\u306e\u623b\u308a\u5024<\/h3>\n\n
\n
\u5b9a\u6570<\/th>\u5024<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
INIT_SUCCEEDED<\/td>0<\/td>\u521d\u671f\u5316\u6210\u529f<\/td><\/tr>
INIT_FAILED<\/td>1<\/td>\u521d\u671f\u5316\u5931\u6557\uff08EA\u505c\u6b62\uff09<\/td><\/tr>
INIT_PARAMETERS_INCORRECT<\/td>\u306a\u3057<\/td>\u30d1\u30e9\u30e1\u30fc\u30bf\u30a8\u30e9\u30fc<\/td><\/tr>
INIT_AGENT_NOT_SUITABLE<\/td>\u306a\u3057<\/td>\u30c6\u30b9\u30bf\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u4e0d\u9069\u5408<\/td><\/tr><\/tbody><\/table>\n<\/figure>\n\n
OnDeinit\uff1a\u7d42\u4e86\u51e6\u7406<\/h2>\n\n
void OnDeinit(const int reason)\n  {\n   \/\/ \u30bf\u30a4\u30de\u30fc\u505c\u6b62\n   EventKillTimer();\n\n   \/\/ \u30c1\u30e3\u30fc\u30c8\u4e0a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u524a\u9664\n   ObjectsDeleteAll(0,\"MyEA_\");\n\n   \/\/ \u30c1\u30e3\u30fc\u30c8\u30b3\u30e1\u30f3\u30c8\u3092\u30af\u30ea\u30a2\n   Comment(\"\");\n\n   \/\/ \u7d42\u4e86\u7406\u7531\u3092\u30ed\u30b0\u51fa\u529b\n   string reasonText;\n   switch(reason)\n     {\n      case REASON_PROGRAM:     reasonText =\"\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u7d42\u4e86\"; break;\n      case REASON_REMOVE:      reasonText =\"\u30c1\u30e3\u30fc\u30c8\u304b\u3089\u524a\u9664\"; break;\n      case REASON_RECOMPILE:   reasonText =\"\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\"; break;\n      case REASON_CHARTCHANGE: reasonText =\"\u901a\u8ca8\u30da\u30a2\u307e\u305f\u306f\u6642\u9593\u8ef8\u5909\u66f4\"; break;\n      case REASON_CHARTCLOSE:  reasonText =\"\u30c1\u30e3\u30fc\u30c8\u3092\u9589\u3058\u305f\"; break;\n      case REASON_PARAMETERS:  reasonText =\"\u30d1\u30e9\u30e1\u30fc\u30bf\u5909\u66f4\"; break;\n      case REASON_ACCOUNT:     reasonText =\"\u53e3\u5ea7\u5909\u66f4\"; break;\n      case REASON_TEMPLATE:    reasonText =\"\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u9069\u7528\"; break;\n      case REASON_INITFAILED:  reasonText =\"OnInit\u5931\u6557\"; break;\n      case REASON_CLOSE:       reasonText =\"\u30bf\u30fc\u30df\u30ca\u30eb\u7d42\u4e86\"; break;\n      default:                 reasonText =\"\u4e0d\u660e(\" + IntegerToString(reason) +\")\";\n     }\n\n   Print(EAName,\" \u7d42\u4e86:\", reasonText);\n  }<\/code><\/pre><\/div>\n\n
UninitializeReason\u5b9a\u6570<\/h3>\n\n
\n
\u5b9a\u6570<\/th>\u5024<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
REASON_PROGRAM<\/td>0<\/td>ExpertRemove()\u3067\u7d42\u4e86<\/td><\/tr>
REASON_REMOVE<\/td>1<\/td>\u30c1\u30e3\u30fc\u30c8\u304b\u3089\u624b\u52d5\u524a\u9664<\/td><\/tr>
REASON_RECOMPILE<\/td>2<\/td>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u518d\u30b3\u30f3\u30d1\u30a4\u30eb<\/td><\/tr>
REASON_CHARTCHANGE<\/td>3<\/td>\u901a\u8ca8\u30da\u30a2\u307e\u305f\u306f\u6642\u9593\u8ef8\u3092\u5909\u66f4<\/td><\/tr>
REASON_CHARTCLOSE<\/td>4<\/td>\u30c1\u30e3\u30fc\u30c8\u3092\u9589\u3058\u305f<\/td><\/tr>
REASON_PARAMETERS<\/td>5<\/td>\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5909\u66f4<\/td><\/tr>
REASON_ACCOUNT<\/td>6<\/td>\u5225\u306e\u53e3\u5ea7\u306b\u5207\u308a\u66ff\u3048<\/td><\/tr>
REASON_TEMPLATE<\/td>7<\/td>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9069\u7528<\/td><\/tr>
REASON_INITFAILED<\/td>8<\/td>OnInit()\u304c\u5931\u6557<\/td><\/tr>
REASON_CLOSE<\/td>9<\/td>\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u9589\u3058\u305f<\/td><\/tr><\/tbody><\/table>\n<\/figure>\n\n
OnTick\uff1a\u30c6\u30a3\u30c3\u30af\u51e6\u7406<\/h2>\n\n
void OnTick()\n  {\n   \/\/ \u65b0\u30d0\u30fc\u691c\u51fa\uff08\u30c6\u30a3\u30c3\u30af\u3054\u3068\u306e\u91cd\u8907\u51e6\u7406\u3092\u9632\u3050\uff09\n   static datetime lastBar = 0;\n   if(Time[0] == lastBar)\n      return;  \/\/ \u540c\u3058\u30d0\u30fc\u5185\u3067\u306f\u4f55\u3082\u3057\u306a\u3044\n   lastBar = Time[0];\n\n   \/\/ \u3053\u3053\u304b\u3089\u65b0\u30d0\u30fc\u306e\u51e6\u7406\n   \/\/ 1. \u30dd\u30b8\u30b7\u30e7\u30f3\u30c1\u30a7\u30c3\u30af\n   int posCount = CountMyPositions();\n\n   \/\/ 2. \u6c7a\u6e08\u5224\u5b9a\n   CheckExitConditions();\n\n   \/\/ 3. \u30a8\u30f3\u30c8\u30ea\u30fc\u5224\u5b9a\n   if(posCount < MaxPositions)\n      CheckEntrySignal();\n\n   \/\/ 4. \u30c8\u30ec\u30fc\u30ea\u30f3\u30b0\u30b9\u30c8\u30c3\u30d7\n   UpdateTrailingStop();\n  }<\/code><\/pre><\/div>\n\n
\n
OnTick\u5185\u3067\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u3053\u3068<\/strong><\/span><\/div>\n
\n