Opens a short position with specified parameters.
[in] Requested position volume.
[in] Position symbol. If the symbol is not specified, the current symbol will be used.
[in] Price. If the price is not specified, the current market Bid price will be used.
[in] Stop Loss price.
[in] Take Profit price.
true - successful check of the structures, otherwise - false.
Successful completion of the Sell(...) method does not always mean successful execution of the trade operation. It is necessary to check the result of trade request (trade server return code) using ResultRetcode() and value returned by ResultDeal().