Cancel Individual Order
EClient.cancelOrder (
orderId: int. Specify which order should be cancelled by its identifier.
orderCancel: orderCancel. An OrderCancel object that can receive the manualOrderCancelTime, manualOrderIndicator, and extOperator fields. See OrderCancel Reference for more insight on the OrderCancel class.
)
Cancels an active order placed by from the same API client ID.
Note: API clients cannot cancel individual orders placed by other clients. Only reqGlobalCancel is available.

