Performs reverse operation of a long position.
[in] Market entry price.
[in] Stop Loss price.
[in] Take Profit price.
true - trade operation has been executed, otherwise - false.
It gets the position reverse volume (LotReverse() method) and reverses a long position (Sell() method of Trade object) if trading volume is not equal to 0.
In the "hedging" mode of position accounting, position reversal is performed as the closure of the existing position and opening of a new opposite one with the remaining volume.