using system.io;
using system.net.sockets;
using system.net;
private void button4_click(object sender, eventargs e)
{s = new socket(addressfamily.internetwork, sockettype.stream, protocoltype.tcp);
ipaddress serverip = ipaddress.parse("192.168.1.107"); //伺服器ip
try{
ipendpoint iep=new ipendpoint(serverip,9100);
s.connect(iep); //連線伺服器,埠號用13
catch (exception ex)
{messagebox.show(ex.message);
try{
ns = new networkstream(s); //例項化網路流
sr = new streamreader(ns); //例項化流讀取物件
sw = new streamwriter(ns); //例項化寫入流物件
sw.writeline(textbox1.text); //將textbox1.text的資料寫入流
sw.flush(); //清理緩衝區
listbox1.items.add(sr.readline()); //將從流中讀取的資料寫入lbinfo
catch (exception ex)
{messagebox.show(ex.message); //捕獲異常
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