tcp聊天（C++builder）

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Mainform.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
   this->Memo1->Text="";
   this->RichEdit1->Text="";
}
//---------------------------------------------------------------------------


void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{//连接
   this->ClientSocket1->Port=StrToInt(this->Edit1->Text);
   this->ClientSocket1->Host=this->Edit2->Text;
   this->ClientSocket1->Active=true;
   this->StatusBar1->SimpleText="连接服务器......";
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn3Click(TObject *Sender)