Create a new script file: close_all.mq4
#property copyright "Copyright"
#property link "..."
int start(){
int total = OrdersTotal();
for(int i=total-1;i>=0;i--){
OrderSelect(i, SELECT_BY_POS);
int type = OrderType();
bool result = false;
switch(type){
case OP_BUY : result = OrderClose( OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_BID), 5, Red );
break;
case OP_SELL : result = OrderClose( OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_ASK), 5, Red );
}
if(result == false){ Sleep(0); }
}
return(0);
}