i have problem in line with ea mql4

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'&&' - illegal operation use once per bar expert.mq4 3115 39

Files:
once_per_bar_expert.mq4  140 kb
 
صابر م.امیری:
'&&' - illegal operation use once per bar expert.mq4 3115 39 
            if (StringLen(symbol)>6 && StringSubstr(symbol, StringLen(symbol)-2=="bo")) {
What does 4 == "bo" mean? 
StringLen(symbol) -2 == "bo"
 

Please don't post randomly in any section. Your question is not related to the section you posted.

MT4/mql4 has it's own section on the forum.

I have moved your topic to the correct section later, please don't create an other topic.

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