【正文】 SetIndexBuffer(2,ind_buffer3)。// 3 indicator buffers mappingSetIndexBuffer(0,ind_buffer1)。SetIndexDrawBegin(0,SignalSMA)。//++//| Custom indicator initialization function |//++int init(){// 2 additional buffers are used for counting.IndicatorBuffers(3)。double ind_buffer2[]。extern int SignalSMA=9。 // set buffer for first line// ...}void SetIndexDrawBegin( int index, int begin)設(shè)置劃線的開始點 :: 輸入?yún)?shù)index 第幾根指標(biāo)線 07begin 劃線的開始點 示例:property indicator_separate_windowproperty indicator_buffers 1property indicator_color1 Silver// indicator parametersextern int FastEMA=12。bool SetIndexBuffer( int index, double array[])設(shè)置指標(biāo)線的緩存數(shù)組 :: 輸入?yún)?shù)index 第幾根指標(biāo)線 07array[] 緩存的數(shù)組 示例:double ExtBufferSilver[]。// initialization donereturn(0)。SetIndexBuffer(2,ind_buffer3)。// 3 indicator buffers mappingSetIndexBuffer(0,ind_buffer1)。SetIndexDrawBegin(0,SignalSMA)。//++//| Custom indicator initialization function |//++int init(){// 2 additional buffers are used for counting.IndicatorBuffers(3)。double ind_buffer2[]。extern int SignalSMA=9。}void IndicatorShortName( string name)設(shè)置指標(biāo)的簡稱 :: 輸入?yún)?shù)name 新的簡稱 示例:property indicator_separate_windowproperty indicator_buffers 1property indicator_color1 Silver// indicator parametersextern int FastEMA=12。// name for DataWindow and indicator subwindow labelIndicatorShortName(OsMA(+FastEMA+,+SlowEMA+,+SignalSMA+))。SetIndexBuffer(1,ind_buffer2)。IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2)。// drawing settingsSetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,3)。double ind_buffer3[]。// indicator buffersdouble ind_buffer1[]。extern int SlowEMA=26。}// donereturn(0)。ExtRedBuffer[i]=iMA(NULL,0,TeethPeriod,0,MODE_SMMA,PRICE_MEDIAN,i)。// main loopfor(int i=0。// last counted bar will be recountedif(counted_bars0) counted_bars。int counted_bars=IndicatorCounted()。// initialization donereturn(0)。SetIndexBuffer(2,ind_buffer3)。// 3 indicator buffers mappingSetIndexBuffer(0,ind_buffer1)。SetIndexDrawBegin(0,SignalSMA)。//++//| Custom indicator initialization function |//++int init(){// 2 additional buffers are used for counting.IndicatorBuffers(3)。double ind_buffer2[]。extern int SignalSMA=9。 // prepare to restart}//...}自定義指標(biāo)函數(shù) [Custom Indicator Functions]void IndicatorBuffers(int count)設(shè)置自定義指標(biāo)緩存數(shù):: 輸入?yún)?shù)count 緩存數(shù)量 示例:property indicator_separate_windowproperty indicator_buffers 1property indicator_color1 Silver// indicator parametersextern int FastEMA=12。s resources.case REASON_RECOMPILE:case REASON_CHARTCHANGE:case REASON_PARAMETERS:case REASON_ACCOUNT: StoreData()。 break。if(OrderType()OP_SELL || OrderSymbol()!=Symbol()) continue。posTOTAL。string Symbol()返回當(dāng)前當(dāng)前通貨的名稱示例:int total=OrdersTotal()。void SpeechText( string text, int lang_mode=SPEECH_ENGLISH)使用Speech進(jìn)行語音輸出 :: 輸入?yún)?shù)text 閱讀的文字lang_mode 語音模式 SPEECH_ENGLISH (默認(rèn)的) 或 SPEECH_NATIVE 示例:double lastclose=Close[0]。string ServerAddress()返回服務(wù)器地址示例:Print(Server address is , ServerAddress())。}void SendMail( string subject, string some_text)發(fā)送郵件到指定信箱，需要到菜單 Tools Options Email 中將郵件打開. :: 輸入?yún)?shù)subject 郵件標(biāo)題some_text 郵件內(nèi)容 示例:double lastclose=Close[0]。 break。 // prices changedbreak。if(error==134) break。while(true){ticket=OrderSend(Symbol(),OP_BUY,Ask,3,0,0,expert ment,255,0,CLR_NONE)。i++)Print(Close[i])。// Output: PI number is // Array printingfor(int i=0。double pi=。void Print( ... )將文本打印在結(jié)果窗口內(nèi) :: 輸入?yún)?shù)... 任意值，復(fù)數(shù)用逗號分割 示例:Print(Account free margin is , AccountFreeMargin())。}// continueint Period()返回圖表時間線的類型示例:Print(Period is , Period())。, )==false){int ret=MessageBox(ObjectCreate() fails with code +GetLastError()+\nContinue?, Question, MB_YESNO|MB_ICONQUESTION)。int MessageBox( string text=NULL, string caption=NULL, int flags=EMPTY) 彈出消息窗口，返回消息窗口的結(jié)果 :: 輸入?yún)?shù)text 窗口顯示的文字caption 窗口上顯示的標(biāo)題flags 窗口選項開關(guān) 示例:include if(ObjectCreate(text_object, OBJ_TEXT, 0, D39。double MarketInfo( string symbol, int type)返回市場當(dāng)前情況 :: 輸入?yún)?shù)symbol 通貨代碼type 返回結(jié)果的類型 示例:double var。// long time procesing cycle// ...}bool IsTesting()返回是否處于測試模式示例:if(IsTesting()) Print(I am testing now)。}// expert body that calls external DLL functionssomefunc()。......if(IsLibrariesAllowed()==false){Print(Library call is not allowed. Experts cannot run.)。}// expert body that calls external DLL functionsMessageBoxA(0,an message,Message,MB_OK)。......if(IsDllsAllowed()==false){Print(DLL call is not allowed. Experts cannot run.)。else Print(I am working on real account)。return(0)。 :: 輸入?yún)?shù)hide 是否隱藏 True或者False 示例:HideTestIndicators(true)。// do some hard calculation...Print(Calculation time is , GetTickCount()start, milliseconds.)。}int GetTickCount()取時間標(biāo)記，函數(shù)取回用毫秒標(biāo)示的時間標(biāo)記。Print(error(,err,): ,ErrorDescription(err))。int handle=FileOpen(, FILE_READ|FILE_BIN)。Comment(Account free margin is ,DoubleToStr(free,2),\n,Current time is ,TimeToStr(CurTime()))。string CompanyName()返回公司名稱示例:Print(Company name is ,CompanyName())。公用函數(shù) [Common Functions]void Alert( ... ) 彈出一個顯示信息的警告窗口:: 輸入?yún)?shù)... 任意值，如有多個可用逗號分割 示例:if(Close[0]SignalLevel)Alert(Close price ing , Close[0],!!!)。 // returns with current datevar1=StrToTime()。var1=StrToTime( 17:35)。int StrToInteger( st