Indicator fails to display - need help to fix

I have an indicator that displays directional arrows for the trend direction - it works fine on my desktop. I transfered it onto my wife's computer so she could use it, and it does not display the arrows on her computer. I copied the mq4 over and compiled it there, it displays its name in the indicators list on the chart window, but not the arrows, and I do not know what else to do to make it function on that system. Can anyone give a suggestion for what else to try?
Is there a 'breakpoint' or 'debug' feature to follow code step by step?

the code uses...
SetIndexBuffer(0, CrossUp);
SetIndexStyle(0, DRAW_ARROW, EMPTY, QQE_Width);
SetIndexArrow(0, 241);
and...
Alert("QQEajj ", Symbol()," ",Periodo(Period()), " QQ Cross Trend going DOWN " );

Hi jjasper7,

I know you asked these questions a long time ago... but I'm really having difficulty with the debugging process. I find if the only thing I can do is print it's really hard to debug. Did you ever find a solution to this question of yours:

Is there a 'breakpoint' or 'debug' feature to follow code step by step?

Also, is there a way to pause processing and check variable values?

If you have any answers or advice I'd appreciate it.

Take care,

Gerry,
there is a free tool for debugging here
https://www.fx1.net/wiki/pmwiki.php/Site/MT4LOGGER
Advantage: You can freeze the log with a button. That helps in forward testing.

There is a good method to debug explained here in the forum too.
7bit introduced it.
http://www.forexfactory.com/showthread.php?t=245303

Hi fxtr51,

Thanks so much for the information. I'll go look see... You take care.
Gerry

Hi fxtr51,

Are you still there?

I posted the info' below elsewhere on an OLD thread but got no responses. I was wondering whether you had advice for me. I'll do a quick summary of what I'm after:

I want to look at daily patterns, but when I'm doing back testing, I want to run the EA on a 5 min chart - so run start every 5 mins. I don't know how to look at DAILY patterns while running in 5 min chart, eg. Close[1] must look at the daily close for yesterday, not the 5m close for 5m ago. Alternately, run EA on daily chart, but let start run every 5 mins. Below is my original post...

Hi,
I want to use an EA to do backtesting more than anything else. I’m fairly new at this, but think I’ve progressed well with learning about EA’s. I’ve done a few little tests that (eventually) do what I want them to do.

I’ve got to a point where I don’t know how to go forward. What I want to do is look at patterns / price action on daily charts, but when I run the backtest, I want to run it in a different timeframe to give more accurate results. BTW, I don’t want to do tick by tick testing, but maybe 5 or 15 minute timeframe. The reason is that if I’m only testing with daily data, my orders won’t execute as they should. Does that make sense? Eg. Price will pass my entry point and reverse back down by close and the trade will never execute, where in reality it would have / or I would have done the trade.

So if I’m running the EA in 5 minute timeframe, then how do I look at the last few bars in the daily chart? I use the Close[1], High[2] to access the last few daily bars. Alternately, could I run the EA in the daily timeframe, but get the start function to run every 5 minutes rather than every tick or only on daily close?

I’d appreciate any help. Thanks.

Gerry