6.如何进行连续的Ping？
......................\Debug
......................\.....\BuildLog.htm
......................\.....\mt.dep
......................\.....\PING.obj
......................\.....\PingThread.obj
......................\.....\stdafx.obj
......................\.....\Test.exe
......................\.....\Test.exe.embed.manifest
......................\.....\Test.exe.embed.manifest.res
......................\.....\Test.exe.intermediate.manifest
......................\.....\Test.ilk
......................\.....\Test.obj
......................\.....\Test.pch
......................\.....\Test.pdb
......................\.....\Test.res
......................\.....\TestDlg.obj
......................\.....\vc80.idb
......................\.....\vc80.pdb
......................\PING.CPP
......................\PING.H
......................\PingThread.cpp
......................\PingThread.h
......................\ReadMe.txt
......................\Release
......................\.......\BuildLog.htm
......................\.......\mt.dep
......................\.......\PING.obj
......................\.......\PingThread.obj
......................\.......\stdafx.obj
......................\.......\Test.exe
......................\.......\Test.exe.intermediate.manifest
......................\.......\Test.obj
......................\.......\Test.pch
......................\.......\Test.pdb
......................\.......\Test.res
......................\.......\TestDlg.obj
......................\.......\vc80.idb
......................\.......\vc80.pdb
......................\res
......................\Resource.h
......................\res\Test.ico
......................\...\Test.manifest
......................\...\Test.rc2
......................\stdafx.cpp
......................\stdafx.h
......................\Test.aps
......................\Test.cpp
......................\Test.h
......................\Test.ncb
......................\Test.rc
......................\Test.sln
......................\Test.sln.old
......................\Test.suo
......................\Test.suo.old
......................\Test.vcproj
......................\Test.vcproj.7.00.old
......................\Test.vcproj.LOTFUN_W-PC.LOTFUN_W.user
......................\TestDlg.cpp
......................\TestDlg.h
......................\UpgradeLog.XML
......................\_UpgradeReport_Files
......................\....................\UpgradeReport.css
......................\....................\UpgradeReport.xslt
......................\....................\UpgradeReport_Minus.gif
......................\....................\UpgradeReport_Plus.gif