//源MAC为本网卡MAC，则出包计数加1

if(macaddress[0]==pkt_data[6]&&macaddress[1]==pkt_data[7]&&

macaddress[2]==pkt_data[8]&&macaddress[3]==pkt_data[9]&&

macaddress[4]==pkt_data[10]&&macaddress[5]==pkt_data[11])

              {

                outcount++;

              }

           sprintf(s,"出包：%lu",outcount);

           static1->SetWindowText(s);

           sprintf(s,"入包：%lu",incount);

           static2->SetWindowText(s);

              //找到数据包链表的末尾

           cur_pack=allpacket;

           while(1)

              {

                if(cur_pack->next==NULL)

                  break;

                cur_pack=cur_pack->next;

              }

              //为捕获到的数据包生成新节点，并加至数据包链表末尾

           new_pack=new packetstru;

           new_pack->datalen=header->len;

           for(i=1;i<=header->len;i++)

             new_pack->data[i-1]=pkt_data[i-1];

           new_pack->clearflag=0;

              new_pack->showflag=1;

           new_pack->tick=GetTickCount();

           new_pack->next=NULL;

        cur_pack->next=new_pack;

         }