for(int i=0; i<HistoryTotal();i++)
{
if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY))
int closeminute=TimeMinute(OrderCloseTime());
}
**********
or if(OrderSelect(HistoryTotal()-1,SELECT_BY_POS,MODE_HISTORY))
for picking up the last order
**********
if(TimeMinute(CurTime())==closeminute)bool BlockOpen=true;

if(!BlockOpen)
{
OrderSend(......);
}