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how  many  buffur may used in an indicator ? in updated MQL

does  MQL has memory arragement erros ? MT4 version below 600  accupy  large memory and not release , after complain  ,it is improved . 1/   i also find EA in visible test mode does not match the value designed in EA

where can i  find the souce code of  iVolume function

when start the terminal or use Alert function in EA,the terminal produce so many memery rubbish that computer may crash . i had to use memorey cleaner to clear it . also,sometimes i close the terminal,but in TaskManager,still can find the metatrader

this morning,i open the terminal,its window appears then disappears suddenedly,after a while,it appears again,but something had changed,my orders was closed at that time,it does not confirm the close condition at all . just now i close an order on

may we use more than 8 buffers or arrays in an indecator or EA

i want to use macd method on MA5 lines  and made code below ,but it does not work ,may you point the erro out ? thanks #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 Red #property indicator_width1 1

i want to calculate the orders number that was opened and close in last 24 hours ,and write the code below ,but ,it seems not work

is this true ? Open[ 0 ]==close[ 1 ]

On mt4 terminal ,the backtestor only can be used to test one currecy ,for hedge system among different currency ,it will not work , is it possible to make a testor to do it

on MT4 editor ,i found only several functions   have i...OnArray functions , does every function have its OnArray functions ? if not may make it ourself ? thanks

1/ i want to get the begin time of my localcation ,may i write code like this ? int begintime = TimeLocal() -TimeHour(TimeLocal() )*3600-60 * TimeMinute(TimeLocal() ) - TimeSeconds(TimeLocal() ); 2/ D'2013.02.24 00:11' refers mt4 severtime or my

when test an ea ,a very large log was written ,so the testor become very slowly ,it always write the same useless message like XXXX load sussesfuly ,XXXX removed , the memory is full ,and cannot load the history data

in order to test my ea ,i download history data from mt4 terminal , when i test it ,i find there are several problem with data 1/when use 30min timeframe ,the procession will terminate on 2010/11/20 ,means after that time  no data 2/when use

my dll is not under ........\expert\libraries\ folder, may i import it like this #import "E:\dlls\hhhh.dll" if can do this maner,will the ea run slowly,or not accurate ? thanks

as we know mt4 terminal has many severs to select automaticly when we open a demo account , but i only want the specified one,may i have it by simple delete the .srv file under the config directory . thanks

my code is like this : start() { ......... if(orderstotal()==0) ordersend(.......) .............................................. return(0) ; } i got two orders . i want to know how long will the sever return the new accout statates after it changes

almost every broker says they price of demo account is exactly same as the real account , but i have record them, they are not the same,how do they do it, what is the mechanism,this is important for those price sensite EA,may you explain it

i can not use filewrite() /fileopen()/fileclose() function,and now want to write data to excell file .may you help me ? the data format is like this : A column write in data "x ",B in "y",C in "z" .....all the data is