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does it matter if i use High[0] or iHigh(NULL,0, 0) in EA ? why iHigh is widely-used way

I know, that in some cases non-buffered variables are lost. for example static int MyVariable = 0 ; ...... MyVariable =  (Condition ?   MyVariable+ 1   : MyVariable ); ...... but in some cases i found (when something

for example, i want to have a condition like this; if (ThisIsMT5) then do1();  else do2(); how can i automatically determine if running platform is MT5 or MT4 (mql5 or mql5)

can anyone tell me what's difference between: iMA(NULL, 0, MY_LENGTH, 2 , MODE_EMA, PRICE_LOW, i ); iMA(NULL, 0, MY_LENGTH, 0 , MODE_EMA, PRICE_LOW, i+2 ); dont they return the same value? why does offset exists at all, as we can just put i+2 in

hi,  can someone tell me what does this function ? https://docs.mql4.com/customind/setlevelvalue i have SetLevelValue ( 0 , 50 ); SetLevelValue ( 1 , 68 ); SetLevelValue ( 2 , 32 ); and get such image: i cant understand how they act

hi. with FileWrite, it only writes into application storage direcory (in   C:\Users\username\AppData\Roaming\MetaQuotes\Terminal\50CA3DFB510CC5A8F28B48D1BF2A5702\tester\files\ ) However, when doing  int

I frequently meet such situation. On chart, there is available 24 hours datafully, but from EA (i inserted "Print"), it seems it is only executed only on specific times, and WHY? what happens

Hello. I use script to force the EA to run once on every bar start. ..... if( Now == Time[0]) { return;  } .... However, in my EA, let's say, Trade happens if CLOSE>OPEN of the bar (i dont matter ticks)... however, the EA is executed only on

Hi. I want to have a variable/code in my library, that will tell if current script (it is used in) is EA or INDICATOR... what code can be used

does  DRAW_FILLING type supports COLOR_INDEXES (like COLOR_LINE and COLOR_HISTOGRAM2)  ? I mean, can i use multi-color DRAW_FILLING

After I compile the indicator, on the chart, the lines are drawn correctly. However, if i then right click on chart and click "REFRESH", the lines are messing up and drawing strangely...  what happens? should I use something code in INIT/DEINIT

in Indicator Data window,the numbers (after dot) show bunch of zeroes: i need to be shown there only 2 decimals after dot. used this function , but still doesnt help, there are still ZEROes shown... double RoundNumber(double number, int digits) {

Guys, do you know the behavior of MT? let's say, for example, in my library file, I have a function , which makes something calculation, lets say: double SomethingCounter=0; double MyFun1(bool condition){     if (condition) {

Is it possible to get variables like this?: double NewStopLevel =  GetVariable("OldStopLevel") + 12;    //because "OldStopLevel is outside of this indicator, and I'm trying to build a way to call that. i.e. something like this? string

This topic is different from my previous topic... for example, i want to have a function ,  which should set a bunch of different variables/values. Then I want to call that function , like this: xxxx MyArrayContainter; void OnInit (){

Hi. I am building my everyday functions library, so I will include it in all my projects ( I dont know which one I should choose:  include or library filetype)... However, many functions need to use some specific GLOBAL variables from the main

In this article -  https://www.mql5.com/en/articles/135 there is not writen, how color-buffers are assigned to specific buffer. for example:    SetIndexBuffer ( 0 ,buffer_line1, INDICATOR_DATA );

I use the simple code: #property indicator_chart_window #property indicator_buffers 1 double test[]; int OnInit(){   SetIndexBuffer(0, test,INDICATOR_DATA);   return(INIT_SUCCEEDED); } int DaysGone = 0; int OnCalculate(const int

I a on XYZ minute timeframe chart. how can I: 1) calculate how many days gone from Time[xyz] ? 2) calculate how many days gone from first bar of chart