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OrderCalcMargin() always returns true and margin 0

Hi, Stuck into a problem. Using the standard MoneyManagement modules results in OrderCalcMargin always returns true and margin 0. in AccountInfo it's that call OrderCalcMargin (trade_operation,symbol, 1.0 ,price,margin) which with further execution leads to the usage maxvolume of the symbol

0

Pass the class member function as an argument to the class member function

Hi, Have a code from standard library //snippet from a standard library module Expert\Signal\SignalMA.mqh with additional Compare() and LongCondition() class CSignalAMA : public CExpertSignal { protected : CiAMA m_ma; double MA( int ind) { return