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)
{
//Close pending orders
case OP_BUYLIMIT :
case OP_BUYSTOP :
case OP_SELLLIMIT :
case OP_SELLSTOP : result = OrderDelete( OrderTicket() );
}