Expert Advisor and Third Party Indicator

[vincent2020]

Hi all, I am a beginner here and new to EA.

I have a third party indicator and would like to make auto trading based on the signal. However, I am not sure how to get the value in EA.

From doc, I know there is function called iCustom to get indicator value but I always get 0 from the return.

https://docs.mql4.com/indicators/icustom

[Keith Watford]

Show your code

[vincent2020]

#property copyright   "2005-2014, MetaQuotes Software Corp."

#property link        "http://www.mql4.com"

#resource  "\\Indicators\\Market\\Trend Channels.ex4"

//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

void OnTick(void)

  {

   double value;

   value = iCustom(NULL, 0, "\\Indicators\\Market\\Trend Channels.ex4",MODE_MAIN,0);

   Alert("value: " + value);

//---

  }

I use default parameter.

[Seng Joo Thio]

vincent2020:

Checked GetLastError()?

Anyway, you can try bar 1, if still zero, try 1 instead of MODE_MAIN (which just happens to be 0).

If these still return zero, people here will need to play around with your "Trend Channels.ex4" if you still need help...