Trade By Lines Expert Advisor automatically opens orders from trend lines. It works only with the lines of the selected color. Color of lines is set in the settings.

As soon as the price crosses one of the lines having a specified color, Buy or Sell market order is opened immediately depending on the operation mode. 

Operation Modes

There are several modes of operation.

• for breakthrough TradeDirection = 0
  In this mode, Sell order is opened if the price crosses the line downwards and Buy one is opened if the price crosses the line upwards.
• for rollback TradeDirection = 1
  In this mode, Buy order is opened if the price crosses the line downwards and Sell one is opened if the price crosses the line upwards.

You can set each line to be used for opening an order only once. Use SingleLineUse parameter for this.

• SingleLineUse = true
  only one order will be opened by a line, after that the line will not be used.
• SingleLineUse = false
  Each line can be used for several orders.

In order to limit opening orders after an order is opened by a line, use OneOpenedOrder parameter.

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