unit1.~pas

本例是利用Delphi的Fastnet面板上的TNMEcho组件

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Psock, NMEcho, ExtCtrls, StdCtrls, jpeg;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Image1: TImage;
    Label1: TLabel;
    Edit1: TEdit;
    Memo1: TMemo;
    Label2: TLabel;
    Edit2: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Timer1: TTimer;
    NMEcho1: TNMEcho;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure NMEcho1Connect(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
NMEcho1.Host:=edit2.text;
try
 NMEcho1.Connect;
except
 showmessage('出现异常情况')
end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
NMEcho1.Disconnect;
timer1.enabled:=false;
showmessage('已经断开连接')
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
timer1.Enabled:=true;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
memo1.lines.Clear;
  memo1.lines.add('开始测试所需时间'+NMEcho1.Echo(Edit1.Text));
  memo1.lines.add('一共耗费时间：'+FloatToStr(NMEcho1.ElapsedTime)+'毫秒');
end;

procedure TForm1.NMEcho1Connect(Sender: TObject);
begin
showmessage('连接成功');
end;

end.