872 lines
20 KiB
Plaintext
872 lines
20 KiB
Plaintext
///////////////////////////////////////////////////////
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//
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// SaherElm IT Center MQL5 Class Library
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// --------------------------------------
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// Name: XCChartHelper
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// Description: Chart Helper Tools ...
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//
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// Maintainer:
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// ------------
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// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
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//
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//////////////////////////////////////////////////////
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//
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// Global Properties ...
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#property library
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#property copyright "Copyright 2023, SaherElm IT Center"
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#property link "https://www.saherelm.ir"
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#property version "1.00"
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#property strict
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//
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// Imports ...
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#include "../Classes/x-saherelm.base.class.mq5"
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//
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// Implementation ...
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class XCChartHelper : public XCBase
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{
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//
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// Public ...
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public:
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//
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//
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// Constructor ...
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XCChartHelper(
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ulong _chartId = 0,
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string _symbol = NULL,
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ENUM_TIMEFRAMES _period = NULL)
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{
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//
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bool canSetSymbolPeriod =
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IsSpecifiedValid(_symbol) &&
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IsSpecifiedValid(_period);
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//
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// Normalize ...
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if (!canSetSymbolPeriod)
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{
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//
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mChartID = NormalizeChartId(_chartId);
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mSymbol = NormalizeSymbol(_symbol);
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mPeriod = NormalizePeriod(_period);
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}
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else
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{
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//
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SetSymbolPeriod(mSymbol, mPeriod);
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}
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}
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//
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// Desconstructor ...
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~XCChartHelper()
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{
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}
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//
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// Actioins ...
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/**
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* Redraw Specified Chart ...
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*/
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void Redraw()
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{
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ChartRedraw(mChartID);
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}
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/**
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* Chart Navigation ...
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*
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* @param position: ENUM_CHART_POSITION
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* @param shift: int
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*
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* @return ( bool )
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*/
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bool Navigate(
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ENUM_CHART_POSITION position,
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int shift //
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)
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{
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return (ChartNavigate(mChartID, position, shift));
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}
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/**
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* Apply a Template to Chart ...
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*
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* @param filename: string file path ...
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*
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* @return ( bool )
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*/
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bool ApplyTemplate(string filename)
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{
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return (ChartApplyTemplate(mChartID, filename));
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}
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/**
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* Add Specified Indicator to Chart ...
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*
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* @param subWindow: int ...
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* @param handle: int ...
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*
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* @return ( bool )
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*/
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bool IndicatorAdd(int subWindow, int handle)
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{
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//
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// Normalize Subwindow ...
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if (subWindow <= 0)
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{
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subWindow = 0;
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}
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//
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return (ChartIndicatorAdd(mChartID, subWindow, handle));
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}
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/**
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* Delete Specified Indicator from Chart ...
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*
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* @param subWindow: int ...
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* @param name: string ...
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*
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* @return ( bool )
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*/
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bool IndicatorDelete(int subWindow, string name)
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{
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//
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// Normalize Subwindow ...
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if (subWindow <= 0)
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{
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subWindow = 0;
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}
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//
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return (ChartIndicatorDelete(mChartID, subWindow, name));
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}
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/**
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* Count all Charts Indicator ...
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*
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* @param subWindow: int ...
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*
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* @return ( int )
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*/
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int IndicatorsTotal(int subWindow)
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{
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//
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// Normalize Subwindow ...
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if (subWindow <= 0)
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{
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subWindow = 0;
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}
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//
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return (ChartIndicatorsTotal(mChartID, subWindow));
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}
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/**
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* Get Specified Indexed Indicator's Name ...
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*
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* @param subWindow: int ...
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* @param index: int ...
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*
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* @return ( string )
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*/
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string IndicatorName(int subWindow, int index)
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{
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//
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// Normalize Subwindow ...
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if (subWindow <= 0)
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{
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subWindow = 0;
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}
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//
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return (ChartIndicatorName(mChartID, subWindow, index));
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}
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/**
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* Set Chart Symbol, Period ...
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*
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* @param symbol: string ...
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* @param period: ENUM_TIMEFRAMES ...
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*
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* @return ( bool )
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*/
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bool SetSymbolPeriod(
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string symbol,
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ENUM_TIMEFRAMES period //
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)
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{
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bool result = (ChartSetSymbolPeriod(mChartID, symbol, period));
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if (result)
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{
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//
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mSymbol = symbol;
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mPeriod = period;
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}
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//
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return result;
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}
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/**
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* Take an Screenshot of Chart ...
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*
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* @param filename: string file path ...
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* @param width: int ...
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* @param height: int ...
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* @param align_mode: ENUM_ALIGN_MODE ...
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*
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* @return ( bool )
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*/
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bool ScreenShot(
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const string filename,
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const int width,
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const int height,
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const ENUM_ALIGN_MODE align_mode //
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) const
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{
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return (ChartScreenShot(mChartID, filename, width, height, align_mode));
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}
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/**
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* Writing parameters of chart to file ...
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**/
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bool Save(const int file_handle)
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{
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//
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string work_str;
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int work_int;
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//
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bool has = false;
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//
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// Validate ...
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if (file_handle == INVALID_HANDLE || mChartID == -1)
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{
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return has;
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}
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//
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// Write start marker - 0xFFFFFFFFFFFFFFFF ...
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has = FileWriteLong(file_handle, -1) == sizeof(long);
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if (!has)
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{
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return has;
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}
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//
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// Write chart type ...
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has = FileWriteInteger(file_handle, Type(), INT_VALUE) == INT_VALUE;
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if (!has)
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{
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return has;
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}
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//
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// Write chart symbol ...
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work_str = Symbol();
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work_int = StringLen(work_str);
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has = FileWriteInteger(file_handle, work_int, INT_VALUE) == INT_VALUE;
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if (!has)
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{
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return has;
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}
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if (work_int != 0)
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{
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//
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has = FileWriteString(file_handle, work_str, work_int) == work_int;
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if (!has)
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{
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return has;
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}
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}
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//
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// Write Period of chart ...
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has = FileWriteInteger(file_handle, Period(), INT_VALUE) == sizeof(int);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "Mode" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_MODE), INT_VALUE) == sizeof(int);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "Foreground" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_FOREGROUND), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "Shift" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHIFT), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShiftSize" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHIFT), INT_VALUE) == sizeof(int);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "AutoScroll" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_AUTOSCROLL), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "Scale" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SCALE), INT_VALUE) == sizeof(int);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ScaleFix" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SCALEFIX), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ScaleFix_11" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SCALEFIX_11), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "FixedMax" property ...
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has = FileWriteDouble(file_handle, ChartGetDouble(mChartID, CHART_FIXED_MAX)) == sizeof(double);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "FixedMin" property ...
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has = FileWriteDouble(file_handle, ChartGetDouble(mChartID, CHART_FIXED_MIN)) == sizeof(double);
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if (!has)
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{
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return has;
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}
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//
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// Write the "ScalePPB" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SCALE_PT_PER_BAR), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "PointsPerBar" property ...
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has = FileWriteDouble(file_handle, ChartGetDouble(mChartID, CHART_POINTS_PER_BAR)) == sizeof(double);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowOHLC" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_OHLC), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowLineBid" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_BID_LINE), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowLineAsk" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_ASK_LINE), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowLastLine" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_LAST_LINE), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowPeriodSep" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_PERIOD_SEP), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowGrid" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_GRID), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowVolumes" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_VOLUMES), INT_VALUE) == sizeof(int);
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if (!has)
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{
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return has;
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}
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//
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// Write value of the "ShowObjectDescr" property ...
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has = FileWriteInteger(file_handle, (int)ChartGetInteger(mChartID, CHART_SHOW_OBJECT_DESCR), CHAR_VALUE) == sizeof(char);
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if (!has)
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{
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return has;
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}
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//
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return has;
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}
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/**
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* Load Specified Chart File ...
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*
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* @param file_handle: int ...
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*
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* @return ( bool )
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*/
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bool Load(const int file_handle)
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{
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//
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string work_str;
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int work_int;
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//
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bool has = false;
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//
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// Validate ...
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if (file_handle == INVALID_HANDLE || mChartID == -1)
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{
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return has;
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}
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//
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// Read and checking start marker - 0xFFFFFFFFFFFFFFFF ...
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if (FileReadLong(file_handle) != -1)
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return has;
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//
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// Read and checking chart type ...
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if (FileReadInteger(file_handle, INT_VALUE) != Type())
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return has;
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//
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// Read chart symbol ...
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work_int = FileReadInteger(file_handle);
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if (work_int != 0)
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{
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work_str = FileReadString(file_handle, work_int);
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}
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else
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{
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work_str = "";
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}
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//
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// Read chart period ...
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work_int = FileReadInteger(file_handle);
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SetSymbolPeriod(work_str, (ENUM_TIMEFRAMES)work_int);
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//
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// Read value of the "Mode" property ...
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has = ChartSetInteger(mChartID, CHART_MODE, FileReadInteger(file_handle, INT_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "Foreground" property ...
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has = ChartSetInteger(mChartID, CHART_FOREGROUND, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "Shift" property ...
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has = ChartSetInteger(mChartID, CHART_SHIFT, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "ShiftSize" property ...
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has = ChartSetInteger(mChartID, CHART_SHIFT, FileReadInteger(file_handle, INT_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "AutoScroll" property ...
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has = ChartSetInteger(mChartID, CHART_AUTOSCROLL, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "Scale" property ...
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has = ChartSetInteger(mChartID, CHART_SCALE, FileReadInteger(file_handle, INT_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "ScaleFix" property ...
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has = ChartSetInteger(mChartID, CHART_SCALEFIX, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Read value of the "ScaleFix_11" property ...
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has = ChartSetInteger(mChartID, CHART_SCALEFIX_11, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Rread value of the "FixedMax" property ...
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has = ChartSetDouble(mChartID, CHART_FIXED_MAX, FileReadDatetime(file_handle));
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if (!has)
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{
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return has;
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}
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//
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// Rread value of the "FixedMin" property ...
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has = ChartSetDouble(mChartID, CHART_FIXED_MIN, FileReadDatetime(file_handle));
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if (!has)
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{
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return has;
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}
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//
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// Rread value of the "ScalePPB" property ...
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has = ChartSetInteger(mChartID, CHART_SCALE_PT_PER_BAR, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Rread value of the "PointsPerBar" property ...
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has = ChartSetDouble(mChartID, CHART_POINTS_PER_BAR, FileReadDatetime(file_handle));
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if (!has)
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{
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return has;
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}
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//
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// Rread value of the "ShowOHLC" property ...
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has = ChartSetInteger(mChartID, CHART_SHOW_OHLC, FileReadInteger(file_handle, CHAR_VALUE));
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if (!has)
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{
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return has;
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}
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//
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// Rread value of the "ShowLineBid" property ...
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|
has = ChartSetInteger(mChartID, CHART_SHOW_BID_LINE, FileReadInteger(file_handle, CHAR_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
// Rread value of the "ShowLineAsk" property ...
|
|
has = ChartSetInteger(mChartID, CHART_SHOW_ASK_LINE, FileReadInteger(file_handle, CHAR_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
// Rread value of the "ShowLastLine" property ...
|
|
has = ChartSetInteger(mChartID, CHART_SHOW_LAST_LINE, FileReadInteger(file_handle, CHAR_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
// Rread value of the "ShowPeriodSep" property ...
|
|
has = ChartSetInteger(mChartID, CHART_SHOW_PERIOD_SEP, FileReadInteger(file_handle, CHAR_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
// Rread value of the "ShowGrid" property ...
|
|
has = ChartSetInteger(mChartID, CHART_SHOW_GRID, FileReadInteger(file_handle, CHAR_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
// Rread value of the "ShowVolumes" property ...
|
|
has = ChartSetInteger(mChartID, CHART_SHOW_VOLUMES, FileReadInteger(file_handle, INT_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
// Rread value of the "ShowObjectDescr" property ...
|
|
has = ChartSetInteger(mChartID, CHART_SHOW_OBJECT_DESCR, FileReadInteger(file_handle, CHAR_VALUE));
|
|
if (!has)
|
|
{
|
|
return has;
|
|
}
|
|
|
|
//
|
|
return has;
|
|
}
|
|
|
|
ulong Open()
|
|
{
|
|
//
|
|
mChartID = ChartOpen(mSymbol, mPeriod);
|
|
return (mChartID);
|
|
}
|
|
|
|
void Close()
|
|
{
|
|
//
|
|
if (mChartID != -1 && mChartID != 0)
|
|
{
|
|
ChartClose(mChartID);
|
|
mChartID = 0;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Properties ...
|
|
|
|
/**
|
|
* Get Chart ID ...
|
|
*
|
|
* @return ( ulong )
|
|
*/
|
|
ulong ChartId()
|
|
{
|
|
return mChartID;
|
|
}
|
|
|
|
/**
|
|
* Get Object Type ...
|
|
*
|
|
* @return ( int )
|
|
**/
|
|
int Type() const
|
|
{
|
|
return (0x1111);
|
|
}
|
|
|
|
/**
|
|
* Get Chart Mode ...
|
|
*
|
|
* @return ( ENUM_CHART_MODE )
|
|
**/
|
|
ENUM_CHART_MODE Mode()
|
|
{
|
|
return ((ENUM_CHART_MODE)ChartGetInteger(mChartID, CHART_MODE));
|
|
}
|
|
|
|
/**
|
|
* Get Chart Symbol ...
|
|
*
|
|
* @return ( string )
|
|
*/
|
|
string Symbol()
|
|
{
|
|
return (ChartSymbol(mChartID));
|
|
}
|
|
|
|
/**
|
|
* Get Chart Period ...
|
|
*
|
|
* @return ( ENUM_TIMEFRAMES )
|
|
*/
|
|
ENUM_TIMEFRAMES Period()
|
|
{
|
|
return (ChartPeriod(mChartID));
|
|
}
|
|
|
|
/**
|
|
* Count Chart Visible Bars ...
|
|
*
|
|
* @return ( int )
|
|
*/
|
|
int VisibleBars()
|
|
{
|
|
return ((int)ChartGetInteger(mChartID, CHART_WIDTH_IN_BARS));
|
|
}
|
|
|
|
/**
|
|
* Get Chart First Visible Bars Index ...
|
|
*
|
|
* @return ( int )
|
|
*/
|
|
int FirstVisibleBar()
|
|
{
|
|
return ((int)ChartGetInteger(mChartID, CHART_FIRST_VISIBLE_BAR));
|
|
}
|
|
|
|
/**
|
|
* Get Chart Last Visible Bars Index ...
|
|
*
|
|
* @return ( int )
|
|
*/
|
|
int LastVisibleBar()
|
|
{
|
|
//
|
|
int first = FirstVisibleBar();
|
|
int count = VisibleBars();
|
|
int result = first + count;
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Get Chart's Specified SubWindows Minimum Price ...
|
|
*
|
|
* @param subWindow: int
|
|
* @return ( double )
|
|
*/
|
|
double PriceMin(int subWindow = 0)
|
|
{
|
|
//
|
|
// Normalize Subwindow ...
|
|
if (subWindow <= 0)
|
|
{
|
|
subWindow = 0;
|
|
}
|
|
|
|
//
|
|
return (ChartGetDouble(mChartID, CHART_PRICE_MIN, subWindow));
|
|
}
|
|
|
|
/**
|
|
* Get Chart's Specified SubWindows Maximum Price ...
|
|
*
|
|
* @param subWindow: int
|
|
* @return ( double )
|
|
*/
|
|
double PriceMax(int subWindow = 0)
|
|
{
|
|
//
|
|
// Normalize Subwindow ...
|
|
if (subWindow <= 0)
|
|
{
|
|
subWindow = 0;
|
|
}
|
|
|
|
//
|
|
return (ChartGetDouble(mChartID, CHART_PRICE_MAX, subWindow));
|
|
}
|
|
|
|
/**
|
|
* Get Chart Width in Pixel ...
|
|
*
|
|
* @param subWindow: int ...
|
|
*
|
|
* @return ( int )
|
|
*/
|
|
int Width(int subWindow = 0)
|
|
{
|
|
//
|
|
// Normalize Subwindow ...
|
|
if (subWindow <= 0)
|
|
{
|
|
subWindow = 0;
|
|
}
|
|
|
|
//
|
|
return (int)ChartGetInteger(mChartID, CHART_WIDTH_IN_PIXELS, subWindow);
|
|
}
|
|
|
|
/**
|
|
* Get Chart Height in Pixel ...
|
|
*
|
|
* @param subWindow: int ...
|
|
*
|
|
* @return ( int )
|
|
*/
|
|
int Height(int subWindow = 0)
|
|
{
|
|
//
|
|
// Normalize Subwindow ...
|
|
if (subWindow <= 0)
|
|
{
|
|
subWindow = 0;
|
|
}
|
|
|
|
//
|
|
return (int)ChartGetInteger(mChartID, CHART_HEIGHT_IN_PIXELS, subWindow);
|
|
}
|
|
|
|
//
|
|
// Protected ...
|
|
protected:
|
|
//
|
|
// Private ...
|
|
private:
|
|
//
|
|
// Props ...
|
|
|
|
//
|
|
ulong mChartID; // Chart ID ...
|
|
string mSymbol; // Chart Symbol ...
|
|
ENUM_TIMEFRAMES mPeriod; // Chart Period ...
|
|
};
|
|
|
|
// |