Would you please help me to write a code that makes the first candle visible in a chart (switch to first candle when chart is launched)

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Hi everyone,

I need an urgent help with writing a few lines of code that makes the first candle visible in a chart, in other words, when the chart is opened, it automatically scrolls the chart to the first candle available in that chart.

I would appreciate your kind help in advance

 
MT5.2014 :

Hi everyone,

I need an urgent help with writing a few lines of code that makes the first candle visible in a chart, in other words, when the chart is opened, it automatically scrolls the chart to the first candle available in that chart.

I would appreciate your kind help in advance

You should use ChartNavigate.
 
MT5.2014:

Hi everyone,

I need an urgent help with writing a few lines of code that makes the first candle visible in a chart, in other words, when the chart is opened, it automatically scrolls the chart to the first candle available in that chart.

I would appreciate your kind help in advance

No need for code.

  1. Disable AutoScroll. (this can be saved in the Default template).
  2. Press 'Home' key.
 
Alain Verleyen:

No need for code.

  1. Disable AutoScroll. (this can be saved in the Default template).
  2. Press 'Home' key.
Thanks for your help, but I want this to happen once automatically with an indicator before that indicator starts its calculations.
 
Karputov Vladimir:
You should use ChartNavigate.

Thanks for your help, I am a beginner so, sorry for stupid questions.

I tried

{ChartNavigate(0,CHART_BEGIN,0);}


But it did not work, I placed it in "int OnInit()", should I place it somewhere else in the indicator? Please help me. I appreciate your kind guidance.


 

 
MT5.2014:

Thanks for your help, I am a beginner so, sorry for stupid questions.

I tried

{ChartNavigate(0,CHART_BEGIN,0);}

But it did not work, I placed it in "int OnInit()", should I place it somewhere else in the indicator? Please help me. I appreciate your kind guidance.

    You want to use:
    • indicator
    • script
    • Advisor?
     
    Karputov Vladimir:
      You want to use:
      • indicator
      • script
      • Advisor?

      Sorry that I did not explain more,

      Actually, it is an indicator. I want to make first candle visible (to load all the history for that symbol before the indicator starts its calculations). I want it to happen automatically every time the indicator starts and it is enough to happen once before all other calculations start, so it does not need to be in a loop.

      Thank you 

       
      MT5.2014 :

      Sorry that I did not explain more,

      Actually, it is an indicator. I want to make first candle visible (to load all the history for that symbol before the indicator starts its calculations). I want it to happen automatically every time the indicator starts and it is enough to happen once before all other calculations start, so it does not need to be in a loop.

      Thank you 

      What is "the first candle"? Picture, please.
       
      Karputov Vladimir:
      What is "the first candle"? Picture, please.
      By first candle, I mean the first available bar in a chart (you cannot go further to the left), please see the picture:
      Files:
      GBPUSDWeekly.png  45 kb
       

      This indicator scrolls graph: 

      //+------------------------------------------------------------------+
//|                                                  CHART_BEGIN.mq5 |
//|                              Copyright © 2015, Vladimir Karputov |
//|                                           http://wmua.ru/slesar/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2015, Vladimir Karputov"
#property link      "http://wmua.ru/slesar/"
#property version   "1.00"
#property indicator_chart_window
#property indicator_plots     0

bool start=false;
//--- input parameters
input int      begin_bar=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
//---
   if(!start)
      first_bar();
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool first_bar(void)
  {
//--- get handle of the current chart
   long handle=ChartID();
   if(handle>0) // if successful, additionally set up the chart
     {
      //--- disable auto scroll
      ChartSetInteger(handle,CHART_AUTOSCROLL,false);
      //--- set a shift from the right chart border
      ChartSetInteger(handle,CHART_SHIFT,true);
      //--- draw candlesticks
      ChartSetInteger(handle,CHART_MODE,CHART_CANDLES);
      //--- set the display mode for tick volumes
      ChartSetInteger(handle,CHART_SHOW_VOLUMES,CHART_VOLUME_TICK);
      //--- scroll 0 bars to the right of the history start
      ChartNavigate(handle,CHART_BEGIN,begin_bar);
     }
   return(true);
  }
//+------------------------------------------------------------------+
       
      Karputov Vladimir:

      This indicator scrolls graph:

      Thank you so much for your help, it worked. 

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