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mql5/Scripts/Examples/ObjectChart/ObjChartSample.mq5

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2025-08-05 01:57:33 -04:00
//+------------------------------------------------------------------+
//| ChartSample.mq5 |
//| Copyright 2000-2025, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2000-2025, MetaQuotes Ltd."
#property link "https://www.mql5.com"
//---
#include <Charts\Chart.mqh>
#include <ChartObjects\ChartObjectsTxtControls.mqh>
#include <ChartObjects\ChartObjectPanel.mqh>
//---
#include "ChartSampleInit.mqh"
//+------------------------------------------------------------------+
//| Script to demonstrate the use of class CChart. |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Chart Sample script class |
//+------------------------------------------------------------------+
class CChartSample
{
protected:
CChart m_chart; // instance of the class to access properties chart
CChartObjectButton *m_button[NUM_BUTTONS]; // array of pointers other buttons
CChartObjectButton *m_button_tf[20]; // array of pointers period buttons
CChartObjectButton *m_button_sym[]; // array of pointers symbol buttons
int m_num_symbols; // number of symbol
CChartObjectEdit *m_edit[NUM_EDITS]; // array of pointers other edits
CChartObjectEdit *m_edit_color[13]; // array of pointers to colors show
CChartObjectEdit *m_edit_rgb[13][3]; // array of pointers to RGB show
CChartObjectLabel *m_label[NUM_LABELS]; // array of pointers to labels
CChartObjectPanel m_panel[NUM_PANELS]; // array of panels
public:
CChartSample(void);
~CChartSample(void);
//--- initialization
bool Init(void);
void Deinit(void);
//--- processing
void Processing(void);
private:
void CheckPanelModes(void);
void CheckPanelAnothers(void);
void CheckPanelScales(void);
void CheckPanelShows(void);
void CheckPanelTimeframes(void);
void CheckPanelSymbols(void);
void CheckPanelColors(void);
void CheckPanelReadOnly(void);
};
//---
CChartSample ExtScript;
//+------------------------------------------------------------------+
//| Constructor. |
//+------------------------------------------------------------------+
CChartSample::CChartSample(void) : m_num_symbols(0)
{
}
//+------------------------------------------------------------------+
//| Destructor. |
//+------------------------------------------------------------------+
CChartSample::~CChartSample(void)
{
//--- does not perform any action
//--- all dynamic objects created in the method Init(),
//--- will be deleted when deleting panels,
//--- to which they were added
}
//+------------------------------------------------------------------+
//| Method CheckPanelModes. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelModes(void)
{
if(m_button[0].State() && m_chart.Mode()!=CHART_BARS)
{
//--- Set Bars Mode
m_button[1].State(false);
m_button[2].State(false);
m_chart.Mode(CHART_BARS);
}
if(m_button[1].State() && m_chart.Mode()!=CHART_CANDLES)
{
//--- Set Candles Mode
m_button[0].State(false);
m_button[2].State(false);
m_chart.Mode(CHART_CANDLES);
}
if(m_button[2].State() && m_chart.Mode()!=CHART_LINE)
{
//--- Set Line Mode
m_button[0].State(false);
m_button[1].State(false);
m_chart.Mode(CHART_LINE);
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelAnothers. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelAnothers(void)
{
int i,j;
//--- Set Autoscroll
if(m_button[3].State())
{
if(!m_chart.AutoScroll())
m_chart.AutoScroll(true);
}
else
{
if(m_chart.AutoScroll())
m_chart.AutoScroll(false);
}
//--- Set Shift
if(m_button[4].State())
{
if(m_edit[0].Description()=="")
m_edit[0].Description(DoubleToString(m_chart.ShiftSize()));
else
{
i=(int)StringToInteger(m_edit[0].Description());
j=i;
if(i>50)
i=50;
if(i<10)
i=10;
if(j!=i)
m_edit[0].Description(IntegerToString(i));
if(i!=m_chart.ShiftSize())
m_chart.ShiftSize(i);
}
if(!m_chart.Shift())
m_chart.Shift(true);
}
else
{
m_edit[0].Description("");
if(m_chart.Shift())
m_chart.Shift(false);
}
//--- Set Shift Size
if(m_button[6].State())
{
if(m_button[4].State())
{
//--- Set Shift Size Up
i=(int)StringToInteger(m_edit[0].Description());
if(i<50)
m_chart.ShiftSize(++i);
m_edit[0].Description(IntegerToString(i));
}
m_button[6].State(false);
}
if(m_button[7].State())
{
if(m_button[4].State())
{
//--- Set Shift Size Down
i=(int)StringToInteger(m_edit[0].Description());
if(i>10)
m_chart.ShiftSize(--i);
m_edit[0].Description(IntegerToString(i));
}
m_button[7].State(false);
}
m_edit[2].Description(DoubleToString(m_chart.ShiftSize()));
//--- Set Foreground
if(m_button[5].State())
{
if(!m_chart.Foreground())
m_chart.Foreground(true);
}
else
{
if(m_chart.Foreground())
m_chart.Foreground(false);
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelScales. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelScales(void)
{
int i;
double d;
//--- Set Scale fix
if(m_button[8].State())
{
if(m_edit[4].Description()=="")
{
m_edit[4].Description(DoubleToString(m_chart.PriceMax(0),4));
m_edit[5].Description(DoubleToString(m_chart.PriceMin(0),4));
}
if(!m_chart.ScaleFix())
m_chart.ScaleFix(true);
}
else
{
if(m_edit[4].Description()!="")
{
m_edit[4].Description("");
m_edit[5].Description("");
}
if(m_chart.ScaleFix())
m_chart.ScaleFix(false);
}
//--- Set Scale fix 1 to 1
if(m_button[9].State())
{
if(!m_chart.ScaleFix_11())
m_chart.ScaleFix_11(true);
}
else
{
if(m_chart.ScaleFix_11())
m_chart.ScaleFix_11(false);
}
//--- Set Scale
if(m_button[10].State())
{
//--- Set Scale Up
i=(int)StringToInteger(m_edit[1].Description());
if(i<5)
{
i++;
m_chart.Scale(i);
m_edit[1].Description(IntegerToString(i));
}
m_button[10].State(false);
}
if(m_button[11].State())
{
//--- Set Scale Down
i=(int)StringToInteger(m_edit[1].Description());
if(i>0)
{
i--;
m_chart.Scale(i);
m_edit[1].Description(IntegerToString(i));
}
m_button[11].State(false);
}
m_edit[3].Description(IntegerToString(m_chart.Scale()));
//--- Set Fixed Max
if(m_button[12].State())
{
if(m_chart.ScaleFix())
{
d=StringToDouble(m_edit[4].Description());
if(m_chart.FixedMax()!=d)
m_chart.FixedMax(d);
m_edit[4].Description(DoubleToString(d,4));
}
else
m_edit[4].Description("");
m_button[12].State(false);
}
//--- Set Fixed Min
if(m_button[13].State())
{
if(m_chart.ScaleFix())
{
d=StringToDouble(m_edit[5].Description());
if(m_chart.FixedMin()!=d)
m_chart.FixedMin(d);
m_edit[5].Description(DoubleToString(d,4));
}
else
m_edit[5].Description("");
m_button[13].State(false);
}
//--- Set Scale PPB
if(m_button[14].State())
{
if(m_edit[6].Description()=="")
{
d=m_chart.PointsPerBar();
if(d==0.0)
{
d=1.0;
m_chart.PointsPerBar(d);
}
m_edit[6].Description(DoubleToString(d,4));
}
if(!m_chart.ScalePPB())
m_chart.ScalePPB(true);
d=StringToDouble(m_edit[6].Description());
if(m_chart.PointsPerBar()!=d)
m_chart.PointsPerBar(d);
}
else
{
m_edit[6].Description("");
if(m_chart.ScalePPB())
m_chart.ScalePPB(false);
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelShows. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelShows(void)
{
//--- Set Show OHLC
if(m_button[15].State())
{
if(!m_chart.ShowOHLC())
m_chart.ShowOHLC(true);
}
else
{
if(m_chart.ShowOHLC())
m_chart.ShowOHLC(false);
}
//--- Set Show Bid
if(m_button[16].State())
{
if(!m_chart.ShowLineBid())
m_chart.ShowLineBid(true);
}
else
{
if(m_chart.ShowLineBid())
m_chart.ShowLineBid(false);
}
//--- Set Show Ask
if(m_button[17].State())
{
if(!m_chart.ShowLineAsk())
m_chart.ShowLineAsk(true);
}
else
{
if(m_chart.ShowLineAsk())
m_chart.ShowLineAsk(false);
}
//--- Set Show Last
if(m_button[18].State())
{
if(!m_chart.ShowLastLine())
m_chart.ShowLastLine(true);
}
else
{
if(m_chart.ShowLastLine())
m_chart.ShowLastLine(false);
}
//--- Set Show Separator
if(m_button[19].State())
{
if(!m_chart.ShowPeriodSep())
m_chart.ShowPeriodSep(true);
}
else
{
if(m_chart.ShowPeriodSep())
m_chart.ShowPeriodSep(false);
}
//--- Set Show Grid
if(m_button[20].State())
{
if(!m_chart.ShowGrid())
m_chart.ShowGrid(true);
}
else
{
if(m_chart.ShowGrid())
m_chart.ShowGrid(false);
}
//--- Set Show Objects Descriptor
if(m_button[21].State())
{
if(!m_chart.ShowObjectDescr())
m_chart.ShowObjectDescr(true);
}
else
{
if(m_chart.ShowObjectDescr())
m_chart.ShowObjectDescr(false);
}
//--- Set Show Not Volumes
if(m_button[22].State())
{
m_chart.ShowVolumes((ENUM_CHART_VOLUME_MODE)0);
m_button[22].State(false);
}
//--- Set Show Tick Volumes
if(m_button[23].State())
{
m_chart.ShowVolumes((ENUM_CHART_VOLUME_MODE)1);
m_button[23].State(false);
}
//--- Set Show Real Volumes
if(m_button[24].State())
{
m_chart.ShowVolumes((ENUM_CHART_VOLUME_MODE)2);
m_button[24].State(false);
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelTimeframes. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelTimeframes(void)
{
int i,j;
//--- No Set Period PERIOD_MN
if(m_button_tf[19].State())
m_button_tf[19].State(false);
//--- Set Period
for(i=0;i<20;i++)
if(m_button_tf[i].State())
{
if(m_chart.Period()!=tf_int[i])
m_chart.SetSymbolPeriod(m_chart.Symbol(),(ENUM_TIMEFRAMES)tf_int[i]);
else
continue;
for(j=0;j<20;j++)
if(i!=j)
m_button_tf[j].State(false);
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelSymbols. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelSymbols(void)
{
int i,j;
//--- Set Symbol
for(i=0;i<m_num_symbols;i++)
if(m_button_sym[i].State())
{
if(m_chart.Symbol()!=SymbolName(i,true))
{
m_chart.SetSymbolPeriod(SymbolName(i,true),m_chart.Period());
//--- by changing the symbol switch OFF ScaleFix if it is ON
m_button[8].State(false);
}
else
continue;
for(j=0;j<m_num_symbols;j++)
if(i!=j)
m_button_sym[j].State(false);
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelColors. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelColors(void)
{
int i;
color c;
static color yellow_on_black[]={clrBlack,clrWhite,clrLightSlateGray,clrYellow,clrYellow,clrBlack,clrWhite,clrYellow,clrLimeGreen,clrLightSlateGray,clrRed,C'0,192,0',clrRed};
static color green_on_black[] ={clrBlack,clrWhite,clrLightSlateGray,clrLime,clrLime,clrBlack,clrWhite,clrLime,clrLimeGreen,clrLightSlateGray,clrRed,C'0,192,0',clrRed};
static color black_on_white[] ={clrWhite,clrBlack,clrSilver,clrBlack,clrBlack,clrWhite,clrBlack,clrBlack,clrGreen,clrSilver,clrSilver,clrSilver,clrOrangeRed};
static int color_id[]=
{
CHART_COLOR_BACKGROUND,CHART_COLOR_FOREGROUND,CHART_COLOR_GRID,CHART_COLOR_CHART_UP,
CHART_COLOR_CHART_DOWN,CHART_COLOR_CANDLE_BULL,CHART_COLOR_CANDLE_BEAR,CHART_COLOR_CHART_LINE,
CHART_COLOR_VOLUME,CHART_COLOR_BID,CHART_COLOR_ASK,CHART_COLOR_LAST,CHART_COLOR_STOP_LEVEL
};
//---
if(m_button[25].State())
{
//--- Set "Yellow on Black"
m_button[25].State(false);
for(i=0;i<13;i++)
m_chart.SetInteger((ENUM_CHART_PROPERTY_INTEGER)color_id[i],yellow_on_black[i]);
}
if(m_button[26].State())
{
//--- Set "Green on Black"
m_button[26].State(false);
for(i=0;i<13;i++)
m_chart.SetInteger((ENUM_CHART_PROPERTY_INTEGER)color_id[i],green_on_black[i]);
}
if(m_button[27].State())
{
//--- Set "Black on White" palette
m_button[27].State(false);
for(i=0;i<13;i++)
m_chart.SetInteger((ENUM_CHART_PROPERTY_INTEGER)color_id[i],black_on_white[i]);
}
//--- tuning colors
color color_label=(color)(m_chart.ColorBackground()^0xFFFFFF);
for(i=7;i<NUM_LABELS;i++)
m_label[i].Color(color_label);
for(i=0;i<13;i++)
{
c=(color)m_chart.GetInteger((ENUM_CHART_PROPERTY_INTEGER)color_id[i]);
m_edit_color[i].BackColor(c);
m_edit_rgb[i][0].Description((string)((c&0xFF0000)>>16));
m_edit_rgb[i][1].Description((string)((c&0xFF00)>>8));
m_edit_rgb[i][2].Description((string)(c&0xFF));
}
}
//+------------------------------------------------------------------+
//| Method CheckPanelReadOnly. |
//+------------------------------------------------------------------+
void CChartSample::CheckPanelReadOnly(void)
{
int i,j;
//--- Get VisibleBars
m_edit[7].Description((string)m_chart.VisibleBars());
//--- Get WindowsTotal
m_edit[8].Description((string)(j=m_chart.WindowsTotal()));
j%=6;
//--- Get WindowIsVisible[i]
for(i=0;i<j;i++)
m_edit[9+i].Description((string)m_chart.WindowIsVisible(i));
//--- Get WindowHandle
m_edit[14].Description((string)m_chart.WindowHandle());
//--- Get FirstVisibleBar
m_edit[15].Description((string)m_chart.FirstVisibleBar());
//--- Get WidthInBars
m_edit[16].Description((string)m_chart.WidthInBars());
//--- Get WidthInPixels
m_edit[17].Description((string)m_chart.WidthInPixels());
//--- Get HeightInPixels[i]
for(i=0;i<j;i++)
m_edit[18+i].Description((string)m_chart.HeightInPixels(i));
//--- Get PriceMin[i]
for(i=0;i<j;i++)
m_edit[23+i].Description(DoubleToString(m_chart.PriceMin(i),4));
//--- Get PriceMax[i]
for(i=0;i<j;i++)
m_edit[28+i].Description(DoubleToString(m_chart.PriceMax(i),4));
//--- Get WindowOnDropped
m_edit[33].Description((string)m_chart.WindowOnDropped());
//--- Get PriceOnDropped
m_edit[34].Description(DoubleToString(m_chart.PriceOnDropped(),4));
//--- Get TimeOnDropped
m_edit[35].Description(TimeToString(m_chart.TimeOnDropped()));
//--- Get XOnDropped
m_edit[36].Description((string)m_chart.XOnDropped());
//--- YOnDropped
m_edit[37].Description((string)m_chart.YOnDropped());
}
//+------------------------------------------------------------------+
//| Method Init. |
//+------------------------------------------------------------------+
bool CChartSample::Init(void)
{
int i,j,x;
int sx,sy=16;
color color_label;
//---
if((m_num_symbols=SymbolsTotal(true))==0)
return(false);
//---
if(m_chart.Open(SymbolName(0,true),PERIOD_M1)==0)
{
printf("Chart not created");
return(false);
}
//--- tuning colors
color_label=(color)(m_chart.ColorBackground()^0xFFFFFF);
//--- create m_panel[]
for(i=0;i<NUM_PANELS;i++)
{
m_panel[i].Create(m_chart.ChartId(),"Panel"+IntegerToString(i),0,10,sy,150,16);
m_panel[i].Description(p_str[i]);
m_panel[i].Color(clrBlack);
m_panel[i].FontSize(8);
m_panel[i].State(true);
sy+=m_panel[i].Y_Size();
}
sy=4;
//--- creation m_label[]
for(i=7;i<NUM_LABELS;i++)
{
if((m_label[i]=new CChartObjectLabel)==NULL)
return(false);
m_label[i].Create(m_chart.ChartId(),"Label"+IntegerToString(i),0,l_x[i],sy+l_y[i]);
m_label[i].Description(l_str[i]);
m_label[i].Color(color_label);
if(i>=7)
m_label[i].FontSize(8);
if(l_pan[i]<NUM_PANELS)
m_panel[l_pan[i]].Attach(m_label[i]);
}
//--- creation m_button[]
for(i=0;i<NUM_BUTTONS;i++)
{
if((m_button[i]=new CChartObjectButton)==NULL)
return(false);
m_button[i].Create(m_chart.ChartId(),"Button"+IntegerToString(i),0,b_x[i],sy+b_y[i],b_sizeX[i],b_sizeY[i]);
m_button[i].Description(b_str[i]);
m_button[i].Color(clrBlack);
m_button[i].FontSize(8);
if(b_pan[i]<NUM_PANELS)
m_panel[b_pan[i]].Attach(m_button[i]);
}
//--- creation m_edit[]
for(i=0;i<NUM_EDITS;i++)
{
if((m_edit[i]=new CChartObjectEdit)==NULL)
return(false);
m_edit[i].Create(m_chart.ChartId(),"Edit"+IntegerToString(i),0,e_x[i],sy+e_y[i],e_sizeX[i],16);
m_edit[i].FontSize(8);
if(e_pan[i]<NUM_PANELS)
m_panel[e_pan[i]].Attach(m_edit[i]);
}
//--- creation m_edit_color[] and m_edit_rgb[][]
for(i=0;i<13;i++)
{
if((m_edit_color[i]=new CChartObjectEdit)==NULL)
return(false);
m_edit_color[i].Create(m_chart.ChartId(),"EditColor"+IntegerToString(i),0,80,20+20*i,16,16);
m_edit_color[i].FontSize(8);
m_panel[6].Attach(m_edit_color[i]);
for(j=0;j<3;j++)
{
if((m_edit_rgb[i][j]=new CChartObjectEdit)==NULL)
return(false);
m_edit_rgb[i][j].Create(m_chart.ChartId(),"EditRGB"+IntegerToString(i)+"_"+IntegerToString(j),0,100+80*j,20+20*i,50,16);
m_edit_rgb[i][j].FontSize(8);
m_panel[6].Attach(m_edit_rgb[i][j]);
}
}
//--- creation m_button_tf[]
for(i=0;i<20;i++)
{
x=28*(i%11);
if(i%11<4)
{
sx=26;
x-=2*(i%11);
}
else
{
x-=8;
sx=28;
}
if(i>16)
x+=28;
if(i>17)
x+=28;
if((m_button_tf[i]=new CChartObjectButton)==NULL)
return(false);
m_button_tf[i].Create(m_chart.ChartId(),"ButtonTF"+IntegerToString(i),0,20+x,16*(i/11),sx,16);
if(m_chart.Period()==tf_int[i])
m_button_tf[i].State(true);
m_button_tf[i].Description(tf_str[i]);
m_button_tf[i].Color(clrBlue);
m_button_tf[i].FontSize(8);
m_panel[4].Attach(m_button_tf[i]);
}
//--- creation m_button_sym[]
ArrayResize(m_button_sym,m_num_symbols);
for(i=0;i<m_num_symbols;i++)
{
if((m_button_sym[i]=new CChartObjectButton)==NULL)
return(false);
m_button_sym[i].Create(m_chart.ChartId(),"ButtonS"+IntegerToString(i),0,20+60*(i%5),16*(i/5),60,16);
m_button_sym[i].Description(SymbolName(i,true));
if(m_chart.Symbol()==SymbolName(i,true))
m_button_sym[i].State(true);
m_button_sym[i].Color(clrGreen);
m_button_sym[i].FontSize(8);
m_panel[5].Attach(m_button_sym[i]);
}
//--- initial installation of the objects
m_button[0].State(true);
m_button[1].State(false);
m_button[2].State(false);
m_button[3].State(m_chart.AutoScroll());
m_button[4].State(m_chart.Shift());
m_button[5].State(m_chart.Foreground());
m_button[6].State(false);
m_button[7].State(false);
m_button[8].State(m_chart.ScaleFix());
m_button[9].State(m_chart.ScaleFix_11());
m_button[10].State(false);
m_button[11].State(false);
m_button[12].State(false);
m_button[13].State(false);
m_button[14].State(m_chart.ScalePPB());
m_button[15].State(m_chart.ShowOHLC());
m_button[16].State(m_chart.ShowLineBid());
m_button[17].State(m_chart.ShowLineAsk());
m_button[18].State(m_chart.ShowLastLine());
m_button[19].State(m_chart.ShowPeriodSep());
m_button[20].State(m_chart.ShowGrid());
m_button[21].State(m_chart.ShowObjectDescr());
m_button[22].State(false);
//--- initial installation of the chart
if(m_chart.Shift())
m_edit[0].Description(DoubleToString(m_chart.ShiftSize()));
else
m_edit[0].Description("");
m_edit[1].Description(IntegerToString(m_chart.Scale()));
m_edit[2].Description(m_edit[0].Description());
m_edit[3].Description(m_edit[1].Description());
if(m_chart.ScaleFix())
{
m_edit[4].Description(DoubleToString(m_chart.PriceMax(0),4));
m_edit[5].Description(DoubleToString(m_chart.PriceMin(0),4));
}
else
{
m_edit[4].Description("");
m_edit[5].Description("");
}
if(m_chart.ScalePPB())
m_edit[6].Description(DoubleToString(m_chart.PointsPerBar(),4));
else
m_edit[6].Description("");
//--- tune m_panel[]
sy=16;
for(i=0;i<NUM_PANELS;i++)
{
m_panel[i].Y_Distance(sy);
sy+=m_panel[i].Y_Size();
}
//--- redraw chart
m_chart.Redraw();
//---
return(true);
}
//+------------------------------------------------------------------+
//| Method Deinit. |
//+------------------------------------------------------------------+
void CChartSample::Deinit(void)
{
}
//+------------------------------------------------------------------+
//| Method Processing. |
//+------------------------------------------------------------------+
void CChartSample::Processing(void)
{
int i;
int sy=0;
//---
for(i=0;i<NUM_PANELS;i++)
if(m_panel[i].CheckState())
{
sy=m_panel[i].Y_Distance()+m_panel[i].Y_Size();
i++;
break;
}
for(;i<NUM_PANELS;i++)
{
m_panel[i].Y_Distance(sy);
sy+=m_panel[i].Y_Size();
}
CheckPanelModes();
CheckPanelAnothers();
CheckPanelScales();
CheckPanelShows();
CheckPanelTimeframes();
CheckPanelSymbols();
CheckPanelColors();
CheckPanelReadOnly();
//--- chart redrawn (with the processing of events)
m_chart.Redraw();
Sleep(50);
}
//+------------------------------------------------------------------+
//| Script program start function |
//+------------------------------------------------------------------+
int OnStart(void)
{
//--- call init function
if(ExtScript.Init())
{
//--- cycle until the script is not halted
while(!IsStopped())
ExtScript.Processing();
}
//--- call deinit function
ExtScript.Deinit();
//---
return(0);
}
//+------------------------------------------------------------------+
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