Please consider which section is most appropriate — https://www.mql5.com/en/forum/172166/page6#comment_49114893
string stime = TimeToString(time[i] + TimeShift * 3600, TIME_DATE);
-
Arrays must be manually sized. They have no direction. You must move elements if you want a stack/as-series (set non-series, enlarge the array, set as-series).
-
Buffers are automatically size, are as-series, and elements are moved for you, new elements are set to EMPTY_VALUE (or your designated. They can also draw on the chart automatically.
-
In MT4, buffers and MT4 predefined arrays are all ordered AsSeries. There is a difference between the arrays passed to OnCalculate (e.g. low[]) and the MT4 predefined variables (e.g. Low[].) The passed arrays have no default direction, just like MT5.
To determine the indexing direction of time[], open[], high[], low[], close[], tick_volume[], volume[] and spread[], call ArrayGetAsSeries(). In order not to depend on default values, you should unconditionally call the ArraySetAsSeries() function for those arrays, which are expected to work with.
Event Handling Functions - Functions - Language Basics - MQL4 Reference -
In MT5, you must set the direction.
To define the indexing direction in the time[], open[], high[], low[], close[], tick_volume[], volume[] and spread[] arrays, call the ArrayGetAsSeries() function. In order not to depend on defaults, call the ArraySetAsSeries() function for the arrays to work with.
Event Handling / OnCalculate - Reference on algorithmic/automated trading language for MetaTrader 5
![MQL5 - Language of trade strategies built-in the MetaTrader 5 client terminal](https://c.mql5.com/i/registerlandings/logo-2.png)
- Free trading apps
- Over 8,000 signals for copying
- Economic news for exploring financial markets
You agree to website policy and terms of use