MQL4 Learning - Page 73

Enforcer · #**721** (**permalink**) 06-15-2009, 05:09 PM

Quote:

Originally Posted by matrixebiz

Ok, cool, so I can use the same command and in an EA

I need to space down "/n" correct? because the comment will overwrite the IndicatorShortName correct?

Correct, with "/n" break rows.
Put on deinit()

Comment("");

to remove comment from chart when remove indicator;

matrixebiz · #**722** (**permalink**) 06-15-2009, 05:41 PM

Quote:

Originally Posted by Enforcer

Correct, with "/n" break rows.
Put on deinit()

Comment("");

to remove comment from chart when remove indicator;

Yes, works

Thank you

bilibibit · #**723** (**permalink**) 06-17-2009, 06:20 AM

Been hunting this for some time now. With all the ways accounts can be set up - mini, micro, std, what code snippet can you incorporate in mq4 code so it knows the correct order to place.

For example, I want to risk only 1% of a 10,000 USD account. The logic I use results in a loss of 1000 USD however when the stop loss is hit. I figure there's something wrong with my computation of risk?

NumLotsd = NormalizeDouble((MaxCapd*MaxRisk)/(distance/Point),1);

where
distance = highest - lowest;

double highest = High[iHighest(NULL,0,MODE_HIGH,PeriodBack,1)],
lowest = Low[iLowest(NULL,0,MODE_LOW,PeriodBack,1)];

PeriodBack can be any integer.

Thanks!

dmiranda · #**724** (**permalink**) 06-21-2009, 03:29 PM

Hi,

I a newbie in MQL4, and I need some help.

How to send an order when an indicator change its color? I`ve studied about that but I`ve not found the information. I`d like to use the color of an indicator as an entrance parameter to create a condition to send an order. Could anyone help me, please?

Regards,

Smith23 · #**725** (**permalink**) 06-24-2009, 01:14 PM

I have one question about most of indicators code.

i=Bars-XPeriod-1;
i=Bars-counted_bars-1

Am I right in thinking it gives us the value of the previous candle?

Thanks in advance for answer

jandiage · #**726** (**permalink**) 06-25-2009, 05:05 AM

hello,

below is a script, and can anyone help convert this to indicator? thanks

// Output OHLCV history for surrent pair/symbol
int start() {
string fname = Symbol() + "," + Period() + ".csv";
int handle = FileOpen(fname, FILE_CSV|FILE_WRITE, ",");
if (handle>0) {
for(int i=0; i<Bars; i++) {
datetime d = Time[i];
d = StrToTime((TimeYear(d) - 100) + StringSubstr(TimeToStr(d),4)); // subtracts 10 years from d
string date1 = TimeToStr(d,TIME_DATE);
date1 = StringSubstr(date1,5,2) + "-" + StringSubstr(date1,8,2) + "-" + StringSubstr(date1,0,4);
string time1 = TimeToStr(d,TIME_MINUTES);
FileWrite(handle, date1, time1, Open[i], High[i], Low[i], Close[i], Volume[i]);
}
FileClose(handle);
MessageBox("History output complete\nto file ...../experts/files/"+fname);
}
return(0);
}

smokinbs · #**727** (**permalink**) 06-27-2009, 06:00 PM

Would someone please tell me what function or feature I can use to get historical pricing from my EA? I'm new to Forex and MQL4 and just want to get my feet wet by playing with actual prices. However I can't seem to figure out how to get them. What I want to do is compare three different sets of pricing information "open-close" for 1 minute, 5 minutes, 10 minutes" or "hours, days, weeks, etc".

luxinterior · #**728** (**permalink**) 06-28-2009, 10:04 AM

Quote:

Originally Posted by smokinbs

Would someone please tell me what function or feature I can use to get historical pricing from my EA? I'm new to Forex and MQL4 and just want to get my feet wet by playing with actual prices. However I can't seem to figure out how to get them. What I want to do is compare three different sets of pricing information "open-close" for 1 minute, 5 minutes, 10 minutes" or "hours, days, weeks, etc".

Not quite sure what you're asking but have you looked at iHigh, iLow, iClose etc...? You can set the time frame to use. You won't be able to get 10 m TF as it doesn't exist in MT.

Good luck

Lux