求证信息

[wypenguin]

unit clent;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ScktComp;

type
TForm1 = class(TForm)
Edit1: TEdit;
Label1: TLabel;
ListBox1: TListBox;
ListBox2: TListBox;
Edit2: TEdit;
Button1: TButton;
ClientSocket1: TClientSocket;
CheckBox1: TCheckBox;
procedure CheckBox1Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure ClientSocket1Read(Sender: TObject; Socket: TCustomWinSocket);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.CheckBox1Click(Sender: TObject);
begin
if not clientsocket1.Active then
clientsocket1.Address:=edit1.Text;
if not checkbox1.Checked then
listbox1.Clear;
//下面这行老是存在错误！
clientsocket1.Active:=checkbox1.Checked;
//
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
clientsocket1.Socket.SendText(edit2.text);
edit2.Text:='';
end;

procedure TForm1.ClientSocket1Read(Sender: TObject;
Socket: TCustomWinSocket);
var
server_text:string;
begin
server_text:=socket.ReceiveText;
if comparestr('^update',server_text)=0 then
listbox1.Clear
else
begin
if pos('$',server_text)=1 then
listbox1.Items.Add(server_text)
else
listbox2.Items.Add(server_text)
end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin

end;

end.

[wypenguin]

请大家帮帮忙处理一下