246 lines
11 KiB
MQL5
246 lines
11 KiB
MQL5
//+------------------------------------------------------------------+
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//| ChartObjectsChannels.mqh |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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//| All channels. |
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//+------------------------------------------------------------------+
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#include "ChartObjectsLines.mqh"
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//+------------------------------------------------------------------+
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//| Class CChartObjectChannel. |
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//| Purpose: Class of the "Equidistant channel" object of chart. |
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//| Derives from class CChartObjectTrend. |
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//+------------------------------------------------------------------+
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class CChartObjectChannel : public CChartObjectTrend
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{
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public:
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CChartObjectChannel(void);
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~CChartObjectChannel(void);
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2,
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const datetime time3,const double price3);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_CHANNEL); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectChannel::CChartObjectChannel(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectChannel::~CChartObjectChannel(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Equidistant channel" |
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//+------------------------------------------------------------------+
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bool CChartObjectChannel::Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2,
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const datetime time3,const double price3)
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{
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if(!ObjectCreate(chart_id,name,OBJ_CHANNEL,window,time1,price1,time2,price2,time3,price3))
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return(false);
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if(!Attach(chart_id,name,window,3))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectStdDevChannel. |
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//| Purpose: Class of the "Standrad deviation channel" |
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//| object of chart. |
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//| Derives from class CChartObjectTrend. |
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//+------------------------------------------------------------------+
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class CChartObjectStdDevChannel : public CChartObjectTrend
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{
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public:
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CChartObjectStdDevChannel(void);
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~CChartObjectStdDevChannel(void);
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//--- methods of access to properties of the object
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double Deviations(void) const;
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bool Deviations(const double deviation) const;
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const datetime time2,const double deviation);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_STDDEVCHANNEL); }
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//--- methods for working with files
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virtual bool Save(const int file_handle);
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virtual bool Load(const int file_handle);
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectStdDevChannel::CChartObjectStdDevChannel(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectStdDevChannel::~CChartObjectStdDevChannel(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Standard deviation channel" |
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//+------------------------------------------------------------------+
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bool CChartObjectStdDevChannel::Create(long chart_id,const string name,const int window,
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const datetime time1,const datetime time2,const double deviation)
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{
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if(!ObjectCreate(chart_id,name,OBJ_STDDEVCHANNEL,window,time1,0.0,time2,0.0))
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return(false);
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if(!Attach(chart_id,name,window,2))
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return(false);
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if(!Deviations(deviation))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Get value of the "Deviations" property |
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//+------------------------------------------------------------------+
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double CChartObjectStdDevChannel::Deviations(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(EMPTY_VALUE);
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//--- result
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return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_DEVIATION));
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}
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//+------------------------------------------------------------------+
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//| Set value for the "Deviations" property |
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//+------------------------------------------------------------------+
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bool CChartObjectStdDevChannel::Deviations(const double deviation) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_DEVIATION,deviation));
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}
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//+------------------------------------------------------------------+
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//| Writing parameters of object to file |
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//+------------------------------------------------------------------+
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bool CChartObjectStdDevChannel::Save(const int file_handle)
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{
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//--- check
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if(file_handle==INVALID_HANDLE || m_chart_id==-1)
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return(false);
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//--- write
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if(!CChartObjectTrend::Save(file_handle))
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return(false);
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//--- write value of the "Deviations" property
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if(FileWriteDouble(file_handle,ObjectGetDouble(m_chart_id,m_name,OBJPROP_DEVIATION))!=sizeof(double))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Reading parameters of object from file |
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//+------------------------------------------------------------------+
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bool CChartObjectStdDevChannel::Load(const int file_handle)
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{
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//--- check
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if(file_handle==INVALID_HANDLE || m_chart_id==-1)
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return(false);
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//--- read
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if(!CChartObjectTrend::Load(file_handle))
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return(false);
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//--- read value of the "Deviations" property
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if(!ObjectSetDouble(m_chart_id,m_name,OBJPROP_DEVIATION,FileReadDouble(file_handle)))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectRegression. |
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//| Purpose: Class of the "Regression channel" object of chart. |
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//| Derives from class CChartObjectTrend. |
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//+------------------------------------------------------------------+
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class CChartObjectRegression : public CChartObjectTrend
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{
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public:
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CChartObjectRegression(void);
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~CChartObjectRegression(void);
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const datetime time2);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_REGRESSION); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectRegression::CChartObjectRegression(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectRegression::~CChartObjectRegression(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Regression channel" |
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//+------------------------------------------------------------------+
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bool CChartObjectRegression::Create(long chart_id,const string name,const int window,
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const datetime time1,const datetime time2)
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{
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if(!ObjectCreate(chart_id,name,OBJ_REGRESSION,window,time1,0.0,time2,0.0))
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return(false);
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if(!Attach(chart_id,name,window,2))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectPitchfork. |
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//| Purpose: Class of the "Andrews pitchfork" object of chart |
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//| Derives from class CChartObjectTrend. |
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//+------------------------------------------------------------------+
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class CChartObjectPitchfork : public CChartObjectTrend
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{
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public:
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CChartObjectPitchfork(void);
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~CChartObjectPitchfork(void);
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2,
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const datetime time3,const double price3);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_CHANNEL); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectPitchfork::CChartObjectPitchfork(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectPitchfork::~CChartObjectPitchfork(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Andrews pitchfork" |
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//+------------------------------------------------------------------+
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bool CChartObjectPitchfork::Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2,
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const datetime time3,const double price3)
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{
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if(!ObjectCreate(chart_id,name,OBJ_PITCHFORK,window,time1,price1,time2,price2,time3,price3))
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return(false);
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if(!Attach(chart_id,name,window,3))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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