思路
首先新增乙個文字框，用來接收ip位址。用ipaddress myip = ipaddress.parse(textbox1.text.tostring())把文字框內容變成ip位址，寫到乙個異常中，就可以省略掉判斷ip位址是否正確了。
定義乙個ping的方法 system.net.networkinformation.ping p = new system.net.networkinformation.ping()
在定義乙個接收icmp返回的方法接收傳回來的值
system.net.networkinformation.pingoptions optiong = new system.net.networkinformation.pingoptions()
定義好了傳送接收後，定義資料報 string a=「11111111111111111111111111111111111「；
byte buffte=encondig.ascii.getbytes(data); 把定義好的資料報變為2進製**.
int timeout=1000；定義超時時間
peply.address.tostring() 目標ip
peply.roundtriptime.tostring() 返回時間
peply.options.ttl.tostring() ttl生存週期
peply.buffer.length 資料報大小
**如下：
private void button1_click(object sender, eventargs e)
//listbox1.items.add(peply.address.tostring());
//listbox1.items.add(peply.roundtriptime.tostring());
//listbox1.items.add(peply.options.ttl.tostring());
//listbox1.items.add(peply.options.dontfragment.tostring());
//listbox1.items.add(peply.buffer.tostring());
}catch (exception ex)
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