該指標適用于MT4和MT5。

當價格到達交易商設置的價位時，會發出聲音示警的指標。有三種類型的示警：第一種用于價格上漲至設定價位的上方時（在圖表上顯示為綠線），第二種用于價格下跌至設定價位的下方時（在圖表上顯示為紅線），第三種用于價格接近某一確切的價位時（顯示為黃線）。所有的示警在被觸發之后，都會關閉，但當設定新值之后，可以再次開啟。如果您使用電子郵件示警功能，那么不要忘記在您的MetaTrader平臺選項窗口設置電子郵件設置。

輸入參數：

SoundWhenPriceGoesAbove (默認 = 0.0) — 如果價格上漲至此值的上方將觸發示警。

SoundWhenPriceGoesBelow (默認 = 0.0) — 如果價格下跌至此值的下方將觸發示警。

SoundWhenPriceIsExactly (默認 = 0.0) — 如果價格到達此值時將觸發示警。

SendEmail (默認 = false) — 如果選擇為true且正確的電子郵件設置已經設置在MetaTrader選項窗口，那么示警將發送到設置的電子郵箱地址。

該指標不能用作一種交易系統，它不產生任何信號。無論何時您希望收到某一新價位的通知時，您都可以使用該指標。之后，您可以利用您的時間在市場上做一些您想做的事情。如果您不想使用它們中的某些，您可以將輸入參數設置為零。

標簽:MT4 MT5指標源碼

MT4源碼：
//+------------------------------------------------------------------+ //| PriceAlert.mq4 | //| Copyright ? 2009-2011, www.kzuj.com.cn | //| Issues sound alerts when price reaches certain levels. | //| modded by Mn ------------------------ | //+------------------------------------------------------------------+ #property copyright "www.kzuj.com.cn" #property link "http://www.kzuj.com.cn" #property indicator_chart_window extern double SoundWhenPriceGoesAbove = 0; extern double SoundWhenPriceGoesBelow = 0; extern double SoundWhenPriceIsExactly = 0; extern bool SendEmail = false; //If true e-mail is sent to the e-mail address set in your MT4. E-mail SMTP Server settings should also be configured in your MT4 //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { if (SoundWhenPriceIsExactly > 0) { ObjectCreate("SoundWhenPriceIsExactly", OBJ_HLINE, 0, Time[0], SoundWhenPriceIsExactly); ObjectSet("SoundWhenPriceIsExactly", OBJPROP_STYLE, STYLE_SOLID); ObjectSet("SoundWhenPriceIsExactly", OBJPROP_COLOR, Yellow); ObjectSet("SoundWhenPriceIsExactly", OBJPROP_WIDTH, 1); } if (SoundWhenPriceGoesAbove > 0) { ObjectCreate("SoundWhenPriceGoesAbove", OBJ_HLINE, 0, Time[0], SoundWhenPriceGoesAbove); ObjectSet("SoundWhenPriceGoesAbove", OBJPROP_STYLE, STYLE_SOLID); ObjectSet("SoundWhenPriceGoesAbove", OBJPROP_COLOR, Green); ObjectSet("SoundWhenPriceGoesAbove", OBJPROP_WIDTH, 1); } if (SoundWhenPriceGoesBelow > 0) { ObjectCreate("SoundWhenPriceGoesBelow", OBJ_HLINE, 0, Time[0], SoundWhenPriceGoesBelow); ObjectSet("SoundWhenPriceGoesBelow", OBJPROP_STYLE, STYLE_SOLID); ObjectSet("SoundWhenPriceGoesBelow", OBJPROP_COLOR, Red); ObjectSet("SoundWhenPriceGoesBelow", OBJPROP_WIDTH, 1); } return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { ObjectDelete("SoundWhenPriceIsExactly"); ObjectDelete("SoundWhenPriceGoesAbove"); ObjectDelete("SoundWhenPriceGoesBelow"); return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { // added by Mn ----------------------------------------------------------- if (ObjectGet("SoundWhenPriceGoesAbove", 1) != SoundWhenPriceGoesAbove) SoundWhenPriceGoesAbove = ObjectGet("SoundWhenPriceGoesAbove", 1); if (ObjectGet("SoundWhenPriceGoesBelow", 1) != SoundWhenPriceGoesBelow) SoundWhenPriceGoesBelow = ObjectGet("SoundWhenPriceGoesBelow", 1); if (ObjectGet("SoundWhenPriceIsExactly", 1) != SoundWhenPriceIsExactly) SoundWhenPriceIsExactly = ObjectGet("SoundWhenPriceIsExactly", 1); // added by Mn ----------------------------------------------------------- if ((Ask > SoundWhenPriceGoesAbove) && (SoundWhenPriceGoesAbove > 0)) { Alert("Price above the alert level."); PlaySound("alert.wav"); SendMail("Price for " + Symbol() + " above the alert level " + Ask, "Price for " + Symbol() + " reached " + Ask + " level, which is above your alert level of " + SoundWhenPriceGoesAbove); ObjectDelete("SoundWhenPriceGoesAbove"); SoundWhenPriceGoesAbove = 0; } if ((Bid < SoundWhenPriceGoesBelow) && (SoundWhenPriceGoesBelow > 0)) { Alert("Price below the alert level."); PlaySound("alert.wav"); SendMail("Price for " + Symbol() + " below the alert level " + Bid, "Price for " + Symbol() + " reached " + Bid + " level, which is below your alert level of " + SoundWhenPriceGoesBelow); ObjectDelete("SoundWhenPriceGoesBelow"); SoundWhenPriceGoesBelow = 0; } if ((Bid == SoundWhenPriceIsExactly) || (Ask == SoundWhenPriceIsExactly)) { Alert("Price is exactly at the alert level."); PlaySound("alert.wav"); SendMail("Price for " + Symbol() + " exactly at the alert level " + Ask, "Price for " + Symbol() + " reached " + Ask + "/" + Bid + " level, which is exactly your alert level of " + SoundWhenPriceIsExactly); ObjectDelete("SoundWhenPriceIsExactly"); SoundWhenPriceIsExactly = 0; } } //+------------------------------------------------------------------+
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MT5源碼：//+------------------------------------------------------------------+ //| PriceAlert.mq5 | //| Copyright ? 2009-2011, www.kzuj.com.cn | //| Issues sound alerts when price reaches certain levels. | //+------------------------------------------------------------------+ #property copyright "www.kzuj.com.cn" #property link "http://www.kzuj.com.cn" #property version "1.01" #property description "Update 1.01: Dragging lines on chart will now change the alert levels." #property indicator_chart_window input double SoundWhenPriceGoesAbove = 0; input double SoundWhenPriceGoesBelow = 0; input double SoundWhenPriceIsExactly = 0; input bool SendEmail = false; //If true e-mail is sent to the e-mail address set in your MT5. E-mail SMTP Server settings should also be configured in your MT5. //Vars to substitute input parameters to be able to modify them double SWPGB; double SWPGA; double SWPIE; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { if (SoundWhenPriceIsExactly > 0) { SWPIE = SoundWhenPriceIsExactly; ObjectCreate(0, "SoundWhenPriceIsExactly", OBJ_HLINE, 0, TimeCurrent(), SoundWhenPriceIsExactly); ObjectSetInteger(0, "SoundWhenPriceIsExactly", OBJPROP_STYLE, STYLE_SOLID); ObjectSetInteger(0, "SoundWhenPriceIsExactly", OBJPROP_COLOR, Yellow); ObjectSetInteger(0, "SoundWhenPriceIsExactly", OBJPROP_WIDTH, 1); ObjectSetInteger(0, "SoundWhenPriceIsExactly", OBJPROP_SELECTABLE, true); } if (SoundWhenPriceGoesAbove > 0) { SWPGA = SoundWhenPriceGoesAbove; ObjectCreate(0, "SoundWhenPriceGoesAbove", OBJ_HLINE, 0, TimeCurrent(), SoundWhenPriceGoesAbove); ObjectSetInteger(0, "SoundWhenPriceGoesAbove", OBJPROP_STYLE, STYLE_SOLID); ObjectSetInteger(0, "SoundWhenPriceGoesAbove", OBJPROP_COLOR, Green); ObjectSetInteger(0, "SoundWhenPriceGoesAbove", OBJPROP_WIDTH, 1); ObjectSetInteger(0, "SoundWhenPriceGoesAbove", OBJPROP_SELECTABLE, true); } if (SoundWhenPriceGoesBelow > 0) { SWPGB = SoundWhenPriceGoesBelow; ObjectCreate(0, "SoundWhenPriceGoesBelow", OBJ_HLINE, 0, TimeCurrent(), SoundWhenPriceGoesBelow); ObjectSetInteger(0, "SoundWhenPriceGoesBelow", OBJPROP_STYLE, STYLE_SOLID); ObjectSetInteger(0, "SoundWhenPriceGoesBelow", OBJPROP_COLOR, Red); ObjectSetInteger(0, "SoundWhenPriceGoesBelow", OBJPROP_WIDTH, 1); ObjectSetInteger(0, "SoundWhenPriceGoesBelow", OBJPROP_SELECTABLE, true); } } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { ObjectDelete(0, "SoundWhenPriceIsExactly"); ObjectDelete(0, "SoundWhenPriceGoesAbove"); ObjectDelete(0, "SoundWhenPriceGoesBelow"); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, const datetime &time[], const double &open[], const double &high[], const double &low[], const double &close[], const long &tick_volume[], const long &volume[], const int &spread[]) { double Ask = SymbolInfoDouble(_Symbol, SYMBOL_ASK); double Bid = SymbolInfoDouble(_Symbol, SYMBOL_BID); if ((Ask > SWPGA) && (SWPGA > 0)) { Alert("Price above the alert level."); PlaySound("alert.wav"); SendMail("Price for " + Symbol() + " above the alert level " + DoubleToString(Ask), "Price for " + Symbol() + " reached " + DoubleToString(Ask) + " level, which is above your alert level of " + DoubleToString(SWPGA)); ObjectDelete(0, "SoundWhenPriceGoesAbove"); SWPGA = 0; } if ((Bid < SWPGB) && (SWPGB > 0)) { Alert("Price below the alert level."); PlaySound("alert.wav"); SendMail("Price for " + Symbol() + " below the alert level " + DoubleToString(Bid), "Price for " + Symbol() + " reached " + DoubleToString(Bid) + " level, which is below your alert level of " + DoubleToString(SWPGB)); ObjectDelete(0, "SoundWhenPriceGoesBelow"); SWPGB = 0; } if ((Bid == SWPIE) || (Ask == SWPIE)) { Alert("Price is exactly at the alert level."); PlaySound("alert.wav"); SendMail("Price for " + Symbol() + " exactly at the alert level " + DoubleToString(Ask), "Price for " + Symbol() + " reached " + DoubleToString(Ask) + "/" + DoubleToString(Bid) + " level, which is exactly your alert level of " + DoubleToString(SWPIE)); ObjectDelete(0, "SoundWhenPriceIsExactly"); SWPIE = 0; } return(rates_total); } void OnChartEvent(const int id, const long& lparam, const double& dparam, const string& sparam) { if (id != CHARTEVENT_OBJECT_DRAG) return; double newprice = ObjectGetDouble(0, sparam, OBJPROP_PRICE); if (sparam == "SoundWhenPriceIsExactly") SWPIE = newprice; else if (sparam == "SoundWhenPriceGoesAbove") SWPGA = newprice; else if (sparam == "SoundWhenPriceGoesBelow") SWPGB = newprice; } //+------------------------------------------------------------------+
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