//+------------------------------------------------------------------+
//|                                                 MAGIC_Delete.mq4 |
//|                      Copyright ｩ 2010, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright ｩ 2010, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

extern int MAGIC_DELETE = 0;  //マジックナンバーの代入

//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
  int i;
  int j;
  int order;
//----

   i = OrdersTotal() - 1;
   if(MAGIC_DELETE == 0)
   {
      for(j = i; j >= 0; j--)
      {
         if (OrderSelect(j,SELECT_BY_POS) == true)   //オーダーに正常なら以下の命令を実行
         {
            order = OrderTicket();
            OrderDelete(order);
         }
      }
   }
   else
   {
      for(j = i; j >= 0; j--)
      {
         if (OrderSelect(j,SELECT_BY_POS) == true)   //オーダーに正常なら以下の命令を実行
         {
            if(OrderMagicNumber() == MAGIC_DELETE)
            {
               order = OrderTicket();
               OrderDelete(order);
            }
         }
      }
   }
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+