PingDll .......\Form1.frm .......\Module1.bas .......\MSSCCPRJ.SCC .......\ping.dll .......\PingIP.cls .......\PingIP.dll .......\PingIP.exp .......\PingIP.lib .......\PingIP.vbp .......\PingIP.vbw .......\工程1.vbp .......\工程1.vbw