387 lines
32 KiB
Plaintext
387 lines
32 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Impulse.mqh |
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//| Copyright 2016, Vasiliy Sokolov, St-Petersburg, Russia |
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//| https://www.mql5.com/en/users/c-4 |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2016, Vasiliy Sokolov."
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#property link "https://www.mql5.com/en/users/c-4"
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#include "Strategy\Strategy.mqh"
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input double StopPercent = 0.05;
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//+------------------------------------------------------------------+
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//| Moving average indicator class (obsolete) |
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//+------------------------------------------------------------------+
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class CIndMovingAverage
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{
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private:
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int m_ma_handle; // Indicator handle
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ENUM_TIMEFRAMES m_timeframe; // Timeframe
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int m_ma_period; // Period
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int m_ma_shift; // Shift
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string m_symbol; // Symbol
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ENUM_MA_METHOD m_ma_method; // Moving average method
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uint m_applied_price; // The handle of the indicator, on which you want to calculate the Moving Average value
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// or one of price values of ENUM_APPLIED_PRICE
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CLog* m_log; // Logging
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void Init(void);
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public:
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CIndMovingAverage(void);
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/*Params*/
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void Timeframe(ENUM_TIMEFRAMES timeframe);
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void MaPeriod(int ma_period);
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void MaShift(int ma_shift);
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void MaMethod(ENUM_MA_METHOD method);
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void AppliedPrice(int source);
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void Symbol(string symbol);
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ENUM_TIMEFRAMES Timeframe(void);
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int MaPeriod(void);
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int MaShift(void);
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ENUM_MA_METHOD MaMethod(void);
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uint AppliedPrice(void);
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string Symbol(void);
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/*Out values*/
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double OutValue(int index);
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};
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//+------------------------------------------------------------------+
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//| Default constructor. |
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//+------------------------------------------------------------------+
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CIndMovingAverage::CIndMovingAverage(void) : m_ma_handle(INVALID_HANDLE),
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m_timeframe(PERIOD_CURRENT),
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m_ma_period(12),
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m_ma_shift(0),
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m_ma_method(MODE_SMA),
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m_applied_price(PRICE_CLOSE)
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{
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m_log=CLog::GetLog();
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}
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//+------------------------------------------------------------------+
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//| Initialization |
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//+------------------------------------------------------------------+
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CIndMovingAverage::Init(void)
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{
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if(m_ma_handle!=INVALID_HANDLE)
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{
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bool res=IndicatorRelease(m_ma_handle);
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if(!res)
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{
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string text="Realise iMA indicator failed. Error ID: "+(string)GetLastError();
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CMessage *msg=new CMessage(MESSAGE_WARNING,__FUNCTION__,text);
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m_log.AddMessage(msg);
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}
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}
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m_ma_handle=iMA(m_symbol,m_timeframe,m_ma_period,m_ma_shift,m_ma_method,m_applied_price);
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if(m_ma_handle==INVALID_HANDLE)
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{
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string params="(Period:"+(string)m_ma_period+", Shift: "+(string)m_ma_shift+
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", MA Method:"+EnumToString(m_ma_method)+")";
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string text="Create iMA indicator failed"+params+". Error ID: "+(string)GetLastError();
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CMessage *msg=new CMessage(MESSAGE_ERROR,__FUNCTION__,text);
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m_log.AddMessage(msg);
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}
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}
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//+------------------------------------------------------------------+
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//| Setting timeframe. |
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//+------------------------------------------------------------------+
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void CIndMovingAverage::Timeframe(ENUM_TIMEFRAMES tf)
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{
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m_timeframe=tf;
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if(m_ma_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the current timeframe |
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//+------------------------------------------------------------------+
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ENUM_TIMEFRAMES CIndMovingAverage::Timeframe(void)
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{
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return m_timeframe;
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}
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//+------------------------------------------------------------------+
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//| Sets the Moving Average averaging period. |
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//+------------------------------------------------------------------+
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void CIndMovingAverage::MaPeriod(int ma_period)
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{
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m_ma_period=ma_period;
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if(m_ma_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the current averaging period of Moving Average. |
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//+------------------------------------------------------------------+
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int CIndMovingAverage::MaPeriod(void)
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{
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return m_ma_period;
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}
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//+------------------------------------------------------------------+
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//| Sets the Moving Average type. |
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//+------------------------------------------------------------------+
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void CIndMovingAverage::MaMethod(ENUM_MA_METHOD method)
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{
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m_ma_method=method;
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if(m_ma_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the Moving Average type. |
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//+------------------------------------------------------------------+
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ENUM_MA_METHOD CIndMovingAverage::MaMethod(void)
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{
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return m_ma_method;
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}
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//+------------------------------------------------------------------+
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//| Returns the Moving Average shift. |
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//+------------------------------------------------------------------+
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int CIndMovingAverage::MaShift(void)
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{
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return m_ma_shift;
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}
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//+------------------------------------------------------------------+
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//| Sets the Moving Average shhift. |
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//+------------------------------------------------------------------+
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void CIndMovingAverage::MaShift(int ma_shift)
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{
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m_ma_shift=ma_shift;
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if(m_ma_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Sets the type of the price used for MA calculation. |
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//+------------------------------------------------------------------+
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void CIndMovingAverage::AppliedPrice(int price)
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{
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m_applied_price = price;
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if(m_ma_handle != INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the type of the price used for MA calculation. |
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//+------------------------------------------------------------------+
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uint CIndMovingAverage::AppliedPrice(void)
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{
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return m_applied_price;
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}
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//+------------------------------------------------------------------+
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//| Sets the symbol to calculate the indicator for |
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//+------------------------------------------------------------------+
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void CIndMovingAverage::Symbol(string symbol)
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{
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m_symbol=symbol;
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if(m_ma_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the symbol the indicator is calculated for |
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//+------------------------------------------------------------------+
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string CIndMovingAverage::Symbol(void)
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{
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return m_symbol;
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}
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//+------------------------------------------------------------------+
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//| Returns the value of the MA with index 'index' |
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//+------------------------------------------------------------------+
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double CIndMovingAverage::OutValue(int index)
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{
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if(m_ma_handle==INVALID_HANDLE)
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Init();
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double values[];
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if(CopyBuffer(m_ma_handle,0,index,1,values))
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return values[0];
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return EMPTY_VALUE;
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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//| Defines the actions that need to be performed with a pending |
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//| order. |
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//+------------------------------------------------------------------+
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enum ENUM_ORDER_TASK
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{
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ORDER_TASK_DELETE, // Delete a pending order
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ORDER_TASK_MODIFY // Modify a pending order
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};
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//+------------------------------------------------------------------+
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//| The CImpulse Strategy |
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//+------------------------------------------------------------------+
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class CImpulse : public CStrategy
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{
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private:
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double m_percent; // Percent value for the level of a pending order
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bool IsTrackEvents(const MarketEvent &event);
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protected:
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virtual void InitBuy(const MarketEvent &event);
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virtual void InitSell(const MarketEvent &event);
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virtual void SupportBuy(const MarketEvent &event,CPosition *pos);
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virtual void SupportSell(const MarketEvent &event,CPosition *pos);
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virtual void OnSymbolChanged(string new_symbol);
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virtual void OnTimeframeChanged(ENUM_TIMEFRAMES new_tf);
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public:
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double GetPercent(void);
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void SetPercent(double percent);
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CIndMovingAverage Moving;
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};
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//+------------------------------------------------------------------+
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//| Working with the pending BuyStop orders for opening a long |
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//| position |
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//+------------------------------------------------------------------+
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void CImpulse::InitBuy(const MarketEvent &event)
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{
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if(!IsTrackEvents(event))return;
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if(positions.open_buy > 0) return;
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int buy_stop_total = 0;
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ENUM_ORDER_TASK task;
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double target = WS.Ask() + WS.Ask()*(m_percent/100.0);
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if(target < Moving.OutValue(0)) // The order trigger price must be above the Moving Average
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task = ORDER_TASK_DELETE;
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else
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task = ORDER_TASK_MODIFY;
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for(int i = PendingOrders.Total()-1; i >= 0; i--)
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{
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CPendingOrder* Order = PendingOrders.GetOrder(i);
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if(Order == NULL || !Order.IsMain(ExpertSymbol(), ExpertMagic()))
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continue;
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if(Order.Type() == ORDER_TYPE_BUY_STOP)
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{
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if(task == ORDER_TASK_MODIFY)
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{
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buy_stop_total++;
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Order.Modify(target);
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}
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else
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Order.Delete();
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}
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}
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if(buy_stop_total == 0 && task == ORDER_TASK_MODIFY)
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Trade.BuyStop(MM.GetLotFixed(), target, ExpertSymbol(), 0, 0, NULL);
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}
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//+------------------------------------------------------------------+
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//| Working with the pending SellStop orders for opening a short |
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//| position |
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//+------------------------------------------------------------------+
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void CImpulse::InitSell(const MarketEvent &event)
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{
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if(!IsTrackEvents(event))return;
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if(positions.open_sell > 0) return;
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int sell_stop_total = 0;
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ENUM_ORDER_TASK task;
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double target = WS.Bid() - WS.Bid()*(m_percent/100.0);
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if(target > Moving.OutValue(0)) // The order trigger price must be above the Moving Average
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task = ORDER_TASK_DELETE;
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else
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task = ORDER_TASK_MODIFY;
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for(int i = PendingOrders.Total()-1; i >= 0; i--)
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{
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CPendingOrder* Order = PendingOrders.GetOrder(i);
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if(Order == NULL || !Order.IsMain(ExpertSymbol(), ExpertMagic()))
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continue;
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if(Order.Type() == ORDER_TYPE_SELL_STOP)
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{
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if(task == ORDER_TASK_MODIFY)
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{
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sell_stop_total++;
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Order.Modify(target);
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}
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else
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Order.Delete();
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}
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}
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if(sell_stop_total == 0 && task == ORDER_TASK_MODIFY)
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Trade.SellStop(MM.GetLotFixed(), target, ExpertSymbol(), 0, 0, NULL);
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}
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//+------------------------------------------------------------------+
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//| Managing a long position in accordance with the Moving Average |
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//+------------------------------------------------------------------+
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void CImpulse::SupportBuy(const MarketEvent &event,CPosition *pos)
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{
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int bar_open = WS.IndexByTime(pos.TimeOpen());
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if(!IsTrackEvents(event))return;
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ENUM_ACCOUNT_MARGIN_MODE mode = (ENUM_ACCOUNT_MARGIN_MODE)AccountInfoInteger(ACCOUNT_MARGIN_MODE);
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if(mode != ACCOUNT_MARGIN_MODE_RETAIL_HEDGING)
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{
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double target = WS.Bid() - WS.Bid()*(m_percent/100.0);
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if(target < Moving.OutValue(0))
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pos.StopLossValue(target);
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else
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pos.StopLossValue(0.0);
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}
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if(WS.Bid() < Moving.OutValue(0))
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pos.CloseAtMarket();
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}
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//+------------------------------------------------------------------+
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//| Managing a short position in accordance with the Moving Average |
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//+------------------------------------------------------------------+
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void CImpulse::SupportSell(const MarketEvent &event,CPosition *pos)
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{
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if(!IsTrackEvents(event))return;
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ENUM_ACCOUNT_MARGIN_MODE mode = (ENUM_ACCOUNT_MARGIN_MODE)AccountInfoInteger(ACCOUNT_MARGIN_MODE);
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if(mode != ACCOUNT_MARGIN_MODE_RETAIL_HEDGING)
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{
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double target = WS.Ask() + WS.Ask()*(m_percent/100.0);
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if(target > Moving.OutValue(0))
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pos.StopLossValue(target);
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else
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pos.StopLossValue(0.0);
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}
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if(WS.Ask() > Moving.OutValue(0))
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pos.CloseAtMarket();
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}
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//+------------------------------------------------------------------+
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//| Filters incoming events. If the passed event is not |
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//| processed by the strategy, returns false; if it is processed |
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//| returns true. |
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//+------------------------------------------------------------------+
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bool CImpulse::IsTrackEvents(const MarketEvent &event)
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{
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//We handle only opening of a new bar on the working symbol and timeframe
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if(event.type != MARKET_EVENT_BAR_OPEN)return false;
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if(event.period != Timeframe())return false;
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if(event.symbol != ExpertSymbol())return false;
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return true;
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}
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//+------------------------------------------------------------------+
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//| React to symbol change |
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//+------------------------------------------------------------------+
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void CImpulse::OnSymbolChanged(string new_symbol)
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{
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Moving.Symbol(new_symbol);
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}
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//+------------------------------------------------------------------+
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//| React to timeframe change |
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//+------------------------------------------------------------------+
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void CImpulse::OnTimeframeChanged(ENUM_TIMEFRAMES new_tf)
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{
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Moving.Timeframe(new_tf);
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}
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//+------------------------------------------------------------------+
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//| Returns the percent of the breakthrough level |
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//+------------------------------------------------------------------+
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double CImpulse::GetPercent(void)
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{
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return m_percent;
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}
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//+------------------------------------------------------------------+
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//| Sets percent of the breakthrough level |
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//+------------------------------------------------------------------+
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void CImpulse::SetPercent(double percent)
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{
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m_percent = percent;
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}
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//+------------------------------------------------------------------+
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//| Expert tick function |
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//+------------------------------------------------------------------+
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void OnTick()
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{
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Manager.OnTick();
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}
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//+------------------------------------------------------------------+
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//| ChartEvent function |
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//+------------------------------------------------------------------+
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void OnChartEvent(const int id,
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const long &lparam,
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const double &dparam,
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const string &sparam)
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{
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Manager.OnChartEvent(id, lparam, dparam, sparam);
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ChartRedraw(0);
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} |