unit2.pas

转发一个用Delphi7编写的网络即时通讯示例

unit Unit2;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,unit3;

type
  TForm2 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Label3: TLabel;
    Label4: TLabel;
    Edit3: TEdit;
    Edit4: TEdit;
    shezhi: TButton;
    quxiao: TButton;
    Label5: TLabel;
    procedure shezhiClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure quxiaoClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation
  uses Unit1;
{$R *.dfm}

procedure TForm2.shezhiClick(Sender: TObject);
begin
      form1.TcpClient1.Active:=false;
      form1.TcpClient1.RemoteHost:=edit1.Text;
      form1.TcpClient1.RemotePort:=edit2.Text;
      form1.TcpClient1.Active:=true;
      form1.TcpServer1.Active:=false;
      form1.TcpServer1.LocalHost:=edit3.Text;
      form1.TcpServer1.LocalPort:=edit4.Text;
      form1.TcpServer1.Active:=true;
      form1.Button3.Enabled:=true;
      form1.statusbar1.Panels[1].Text:= '已连接';
      form2.Hide;
      Form1.Show;
 end;

procedure TForm2.FormCreate(Sender: TObject);
begin
edit1.Text:='169.254.15.63';
edit2.text:='5000';
edit3.Text:='169.254.15.63';
edit4.Text:='5000';

end;

procedure TForm2.quxiaoClick(Sender: TObject);
begin
close;  form1.Show;form2.hide;
end;

end.