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指定
I have an mt4 expert advisor code and one of decleration line is ;
"extern double lot_size=0.1;" and when we change lot_size 0.01 or 0.02 ..etc we get an error like
"OrderSend error 131" "ERR_INVALID_TRADE_VOLUME:
Invalid volumes in trade operations"
but my broker is allow to use 0.0x lots.
so this code has to edit...
and another error that we see
"error code 138" " to many trade" so there are most of open trade and we have to close all open trades if open trades are more than x , and x must be extern.
and lastly we have to add trade hours,
for example start trade time 08.00 and end trade time 19.00 , but if there are some open trades those have to continou.dont close.just to open new trade we have to check time.and xstart and end trade times must be extern.
I will send mq4 code file.
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