MQL4 Learning - Page 13

codersguru · #**121** (**permalink**) 07-23-2007, 06:45 PM

MODE_ASK?? who told you that the constant MODE_ASK means more than the number 10.

Well, MODE_ASK is used with the function MarketInfo to get the ask price of a currency not the one hosting the EA.

double ask =MarketInfo("EURUSD",MODE_ASK);

so, your code should be:

PHP Code:


			
double ask   =MarketInfo("EURUSD",MODE_ASK); 
if(ask == 121.10)
{
    //do whatever you want.
}

And about setting time to buy you can use:

PHP Code:


			
if (TimeHour(TimeCurrent()) == 12 &&  TimeMinute(TimeCurrent()) >= 30)
{
   //place a buy order
}

The code above place an order at 12:30 PM

Quote:

Originally Posted by MQL4

I spent many hours, and I cannot solve the problem to this code:

if (MODE_ASK==121.10)
{
ticket=OrderSend(Symbol()..............

I want the USD\JPY to trigger a buy at this point. What's wrong with this code?

Also, can someone tell me a code syntax that will trigger a buy at a certain time?

Thank You. God bless You.

newdigital · #**122** (**permalink**) 07-23-2007, 07:16 PM

Please not that I am not a coder so my opinion about how to code may be totally mistaken.

I just opened help in MetaEditor:

Code:

int OrderSend( string symbol, int cmd, double volume, double price, int slippage, double stoploss, double takeprofit, string comment=NULL, int magic=0, datetime expiration=0, color arrow_color=CLR_NONE)

where
- cmd - OP_BUY (buy), or OP_SELL (sell), and so on;

And also use MarketInfo.

Besices you may use some templates to create EAs:

Templates to create EAs and Indicators:
- some good templates are here;
- templates with some new codes are here.
- Programming Modules with many programming functions are here.

As to open the order at a certain time so you may use something like that:

Code:

datetime OpenOrder = StrToTime(TimeTrade)

and

Code:

if(CurTime() >= OpenTime && TimeCurrent() <= OpenOrder+60)

where,

extern string TimeTrade = "11:31";
datetime, StrToTime and TimeCurrent - see help in MetaEditor;

newdigital · #**123** (**permalink**) 07-23-2007, 07:19 PM

MQL4,
I see that Codersguru replied already so forget about my post.

Just want to say that we are having this thread http://www.forex-tsd.com/general-dis...ing-forum.html as well.

MQL4 · #**124** (**permalink**) 07-23-2007, 07:41 PM

Quote:

Originally Posted by codersguru

MODE_ASK?? who told you that the constant MODE_ASK means more than the number 10.

Well, MODE_ASK is used with the function MarketInfo to get the ask price of a currency not the one hosting the EA.

double ask =MarketInfo("EURUSD",MODE_ASK);

so, your code should be:

PHP Code:


			
double ask   =MarketInfo("EURUSD",MODE_ASK); 

if(ask == 121.10)

{

    //do whatever you want.

}

And about setting time to buy you can use:

PHP Code:


			
if (TimeHour(TimeCurrent()) == 12 &&  TimeMinute(TimeCurrent()) >= 30)

{

   //place a buy order

}

The code above place an order at 12:30 PM

Thank You guys for Your kind help.

MQL4 · #**125** (**permalink**) 07-23-2007, 08:46 PM

Thank You, guys, for Your helpful answers.
I have one more question:

if(bid == 122.15)

I want to replace 122.15 by current market price.

Is there any function that determines current market price?

Thank You.

MQL4 · #**126** (**permalink**) 07-24-2007, 12:17 AM

I have a question:

if(bid == 122.15)

I want to replace 122.15 by current market price.

Is there any function that determines current market price?

Thank You.

MQL4 · #**127** (**permalink**) 07-24-2007, 12:54 AM

Can someone please answer this?

fxd01 · #**128** (**permalink**) 07-24-2007, 12:55 AM

Quote:

Originally Posted by MQL4

I have a question:

if(bid == 122.15)

I want to replace 122.15 by current market price.

Is there any function that determines current market price?

Thank You.

Try this:

if(bid == MarketInfo(Symbol(),MODE_BID))

Hope it helps.

Craig · #**129** (**permalink**) 07-24-2007, 01:04 AM

Or this if(bid == Bid) ...
Be aware though that equality of floating point numbers is tricky, you might want something more like this... if (MathAbs(bid - Bid) < Point) (or something).

MQL4 · #**130** (**permalink**) 07-24-2007, 01:47 AM

Thank You guys, it works! May I ask You another?

if(bid == MarketInfo(Symbol(),MODE_BID)+10)

It is intended that in a certain time the market recognized the price which is for example, x. And will sell 10 pips above this x. I tried this code, and it doesn't work.

Question#2
If within certain seconds the trade is not activated, what is the code syntax for disabling the trade?

Please help!!!

Thank You.