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MQL4 code help 12 replies

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MQL4 help!

  • #1
  • First Post: Jul 12, 2009 4:34pm Jul 12, 2009 4:34pm
Hi Folks,

To give you all a little bit of background, I'm good with java programming. I'm looking to use an MT4 demo to code some ideas I have, and test them out. I started looking into this, and I'm very lost! I was unable to find an api doc for MQL4 functions. Do you guys happen to have something that will help?



Also if anyone can provide a line of code for the following...

1. High price for the (current - 2) bar for EURUSD.



Also, I'm assuming that MQL4 will just run through the code over and over again? Any way to introduce timers?

If anyone can provide me with an EA full of comments explaining what each (or every other) line is doing, that would be great!

Thanks for your help!
  • #2
  • Jul 12, 2009 4:42pm Jul 12, 2009 4:42pm
double iHigh( string symbol, int timeframe, int shift)Returns High value for the bar of indicated symbol with timeframe and shift. If local history is empty (not loaded), function returns 0.
For the current chart, the information about high prices is in the predefined array named High[].
double High[]
Series array that contains the highest prices of each bar of the current chart.

Series array elements are indexed in the reverse order, i.e., from the last one to the first one. The current bar which is the last in the array is indexed as 0. The oldest bar, the first in the chart, is indexed as Bars-1.


Timers: http://articles.mql4.com/763
  • #3
  • Jul 12, 2009 5:08pm Jul 12, 2009 5:08pm
Quoting Skyhook
double iHigh( string symbol, int timeframe, int shift)Returns High value for the bar of indicated symbol with timeframe and shift. If local history is empty (not loaded), function returns 0.
For the current chart, the information about high prices is in the predefined array named High[].
double High[]
Series array that contains the highest prices of each bar of the current...

Thanks for the reply. What is a shift, btw? Also, how do I make sure that the local history has all the prices that I need?
  • #4
  • Last Post: Jul 13, 2009 1:16am Jul 13, 2009 1:16am
Quoting qweabc
Hi Folks,

To give you all a little bit of background, I'm good with java programming. I'm looking to use an MT4 demo to code some ideas I have, and test them out. I started looking into this, and I'm very lost! I was unable to find an api doc for MQL4 functions. Do you guys happen to have something that will help?



Also if anyone can provide a line of code for the following...

1. High price for the (current - 2) bar for EURUSD.



Also, I'm assuming that MQL4 will just run through the code over and over again? Any way to introduce timers?...
I believe you have to use iHigh().
Then just put in the pair "EURUSD". And then current bar-2 is just High[2].
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