Simon Gniadkowski / Profile

I noticed that this is no longer present in the current mql4 documentation so I though I would add the "old" documentation here for future reference . . . Constant Value Description ERR_NO_ERROR 0 Trade operation succeeded. ERR_NO_RESULT 1

For clarity for myself, at least, and anyone else that has an interest . . . .hst file format valid as of MT4 Build 509 The database header first . . . total 148 bytes int version; // database version - 400 4 bytes string copyright[64]; // copyright

Comments that do not relate to the " Using Technical indicator in an EA ", have been moved into this topic

• Yes please, Smiles help convey the emotion missing from plain text. :-D

  49% (31)
• No, we don't need Smilies. :-o

  33% (21)
• I don't care, just show me the results, NOW ! ! ;-)

  19% (12)

• < 1%

  14% (3)
• Between 1% and 1.9%

  32% (7)
• Between 2% and 2.9%

  5% (1)
• Between 3% and 5.9%

  14% (3)
• Between 6% and 10%

  5% (1)
• > 10%

  5% (1)
• I don't care, show me the results.

  27% (6)

• Yes ! the limit should be 1 per week

  21% (9)
• Yes ! the limit should be 3 per week

  14% (6)
• Yes ! the limit should be 5 per week

  2% (1)
• Yes ! the limit should be 1 per day

  17% (7)
• No ! there should be no limit.

  29% (12)
• I don't care, just show me the results.

  17% (7)

I'm currently working on a few non- technical indicators and don't need some of the tabs that pop up when I select the properties of my Indicators,  for example,  I don't need the Parameters, Colors or Visualization tabs,  is

I have been coding a function to display previous trades on a chart,  in the same way that dragging a previous trade to a chart does. I want to keep my function versatile so I am making it configurable while at the same time making the defaults

In the EAs I Have been working on recently I have been working witht several timeframes, using iHigh(), iLow(), etc, extensively throughout my code. I noticed that my EAs were running slowly in the Strategy Tester compared to the first EAs I wrote

This is one of the most common errors I see, probably due in part to the likes of garbage such as Expert Advisor Builder. So I thought it was time for a thread dedicated to the subject so that it can be linked to for future reference. The Problem

I see many, many people posting code and asking questions which can usually be answered by simply checking the return values from a few Functions and printing out any relevant errors. So I thought I would make a post specifically about this subject