extern double ChannelH, ChannelL;
extern double Lots = 0.1;
extern int MagicNumber = 859489;
int TradeDirection;

int init()
{
   TradeDirection = 0;
   return(0);
}

int deinit()
{
   TradeDirection = 0;
   return(0);
}

int start()
{
   if (TradeDirection == 0)   //0 means the break-out hasn't happened yet, so look for it and note its
                              //direction once it happens. And then apply the OpenPosition() function.
   {
      if (Bid >= ChannelH)
      {
         TradeDirection = 1;
         OpenPosition();
      }
      else if (Bid <= ChannelL)
      {
         TradeDirection = 2;
         OpenPosition();
      }
   }
   Comment(TradeDirection);
   return(0);
}

void OpenPosition()
{
   int ticket;
   if (TradeDirection == 1)
   {
      ticket = OrderSend(Symbol(), OP_BUYSTOP, Lots, ChannelH, 0, OrderStopLoss(), 0, "Long", MagicNumber, 0, Green);
      if (ticket <= 0) Print("Error opening long order: ", GetLastError());
   }
   else if (TradeDirection == 2)
   {
      ticket = OrderSend(Symbol(), OP_SELLSTOP, Lots, ChannelL, 0, OrderStopLoss(), 0, "Short", MagicNumber, 0, Red);
      if (ticket <= 0) Print("Error opening short order: ", GetLastError());
   }
}