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Help ... error 130 order modify

Hi, Please help me to find the solution of " error 130 " at my code : I calculate the Averaging price of some OP_SELL orders of a pair & the new Target (Profit) level and then trying to modify the order. This is a martingale EA without stoploss ... if (! OrderModify ( OrderTicket ()

7

Help ... how to know broker's accepted volume ?

Hi, Any one can help me please .... I'm trying to get the "allowed trading volume" by a broker in MQL. If we trade manually, after we click at "NEW ORDER" using FxOpen MT4 client, we will get : 0.10, 0.11, 0.12, 0.13, 0.14, 1.0 , 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 as Volume. If we do the same thing