Pierre8rTeam
34 lines
2.0 KiB
Plaintext
34 lines
2.0 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Object.mqh |
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//| Copyright 2009-2017, MetaQuotes Software Corp. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#include "StdLibErr.mqh"
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//+------------------------------------------------------------------+
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//| Class CObject. |
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//| Purpose: Base class for storing elements. |
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//+------------------------------------------------------------------+
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class CObject
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{
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private:
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CObject *m_prev; // previous item of list
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CObject *m_next; // next item of list
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public:
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CObject(void): m_prev(NULL),m_next(NULL) { }
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~CObject(void) { }
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//--- methods to access protected data
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CObject *Prev(void) const { return(m_prev); }
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void Prev(CObject *node) { m_prev=node; }
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CObject *Next(void) const { return(m_next); }
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void Next(CObject *node) { m_next=node; }
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//--- methods for working with files
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virtual bool Save(const int file_handle) { return(true); }
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virtual bool Load(const int file_handle) { return(true); }
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//--- method of identifying the object
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virtual int Type(void) const { return(0); }
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//--- method of comparing the objects
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virtual int Compare(const CObject *node,const int mode=0) const { return(0); }
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};
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//+------------------------------------------------------------------+
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