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hi guys how  is  calculated a  synthetic volume in mt4 ?  i know  if i use  Volume[1]= return a  volume  but i want know how Volume  function calculate a synthetic volume thanks 

hii have  this  script //+------------------------------------------------------------------+

hy  , i dont know  why in my script  return always error 130   if i set a price 1.09556 for example  work anyone can help me ?   thnks //+------------------------------------------------------------------+

hi guys , why  not  enter in the  if ? ProfitMin=100; CtrlSellTP=0;          if ((Bid <= (OrderOpenPrice()-(ProfitMin* Point * 10 ))) && (CtrlSellTP== 0 ))

hi guys i try to trade  eurusd , by another chart ,the EA is placed over EURCAD and  here i want trade EURUSD but  if i try not  work why ?? //+------------------------------------------------------------------+

hi guys  probably is  my mind + holiday = devastated , but is  possible mql4 not enter in  for ?? i have this part of EA int OnInit ()   {    ChartSetSymbolPeriod ( 0 , Symbol (), PERIOD_D1 );   

hi guys  i try to  close  a trade at  time , i  open the  trade at time  and  it works  but  when i try to close  not close  i create  a script like this extern string StartTime =

hi guys  i  have a questions i have indicator at end of this indicator i divide two double and after i multiplay for constant 100  why return  100 ????????? if i print a single  double return number little like

hi guys i want  draw e EXponetial EMA , but not want use a class inside of mql4 (ima or imaonarray ) therefore i build my class but  not draw nothing o_O thanks at all //+------------------------------------------------------------------+

hy guys  i try to convert  tradingview indicator to mt4 the  code is simple  open-close  and  result  insert in ema 1500 period this is my code //+------------------------------------------------------------------+

hi guys  why this  script  draw orizontal line  , if i use imaonarray or ima ?? yhanks  at all //+------------------------------------------------------------------+

Hi guys  i have this script , but  why with iMAOnArray not  create a chart till the end ? thankz //+------------------------------------------------------------------+

hi guys  , i ask at expert , if is possible calculate  iMA  of open-close and result  recalculate iMA ???? i ask this because in manual  iMA  want like parameter only int enumerator PRICE_CLOSE but is not possible

hi guys  i try to do an oscillator in separated windows  but   it draw  only a line  , where is the error  ? thankz at all

hi guys i  want test a EA at end of a day i write it  like this  //+------------------------------------------------------------------+    void OnTick ( void )      {       

hi guys i want modyfy a RSI in metatrader i want place in one time 2 indicator of RSI in one separated window, and i would when  cross first rsi over second appear an allert , i try to mod ,a RSI  in MT4 but i dont know  why i can

Hi guys , i created a memory mapped  file in C#  this is a  coded using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.IO.MemoryMappedFiles; using

hi guys  i try to read a memory mapped file  with Dll   https://www.mql5.com/en/code/download/816/memmap32.zip but i  have some problem  i try to load  with this  scriptin mql4

Hi guys  i try to read  a memory mapped file , the   first script is simply c++ #include <windows.h> #include <stdio.h> #include <conio.h> #include <tchar.h> #define BUF_SIZE 256 TCHAR szName[] = TEXT(