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2

Run button disabled

Hi,I am developing an Expert advisor for Meta trader 4. my code compiles without error or warning in metaeditor, but anyway the run button is disabled son I can't test it.do you know why this could be? thanks for your help

2

DoubleToString returns null

Hi,I am trying to convert the value of Ask to string but it allways returns null :(,I don´t know the reason,the code is really simple just 2 arguments,here it is strprecio= DoubleToString (Ask, 4 ); the code is in MQL4 DoubletoStr() has the same problem,do you know any other way to convert a price

2

orderSend runtime error

Hi,I have the following simple code to open an order ticket = OrderSend ( _Symbol , 0 , 1.0 ,Ask, 5 , 0 , 0 ); the problem is that in runtime Ordersend returns -1 GetLastEror then returns "Expression could not be evaluated" I am going crazy because I ca't find where the problem is.the function

4

open and close orders

Hi,I am new in MQL and I have a doubt,when you open an order is it necesary to fill the stoploss and takeprofit fields? I mean wouldn't it be possible to open an order and close it in the future in the moment the EA determines it must do it? thanks for your help