using?System.Collections.Generic;
using?System;
using?System.Linq;
using?System.Drawing;
using?System.Diagnostics;
using?System.Data;
using?System.xml.Linq;
using?Microsoft.VisualBasic;
using?System.Collections;
using?System.Windows.Forms;


using?System.Runtime.InteropServices;

namespace?TcpClient
{
	
	public?partial?class?Form1
	{
		public?Form1（）
		{
			InitializeComponent（）;
			

			if?（defaultInstance?==?null）
				defaultInstance?=?this;
		}
		
#region?Default?Instance
		
		private?static?Form1?defaultInstance;
		

		public?static?Form1?Default
		{
			get
			{
				if?（defaultInstance?==?null）
				{
					defaultInstance?=?new?Form1（）;
					defaultInstance.FormClosed?+=?new?FormClosedEventHandler（defaultInstance_FormClosed）;
				}
				
				r