unit1.pas

罗小平<<delphi精要>>一书源码

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ScktComp, lxpClientSocketForFiles, lxpServerSocketForFiles,
  StdCtrls, Gauges;

type
  TForm1 = class(TForm)
    lxpServerSocketForFiles1: TlxpServerSocketForFiles;
    lxpClientSocketForFiles1: TlxpClientSocketForFiles;
    Button1: TButton;
    Button2: TButton;
    Gauge1: TGauge;
    Label1: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure lxpClientSocketForFiles1SocketStatus(Sender: TObject;
      Status: Word; CurrentFilesLength, FileIndex: Integer);
  private
    Path, DownLoadPath: String;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses FundAndProc;

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  Path := ExtractFilePath(ParamStr(0));
  DownLoadPath := Path + 'DownLoad';
  if not ForceDirectories(DownLoadPath) then
  begin
    ShowMessage('请不要在光盘上运行这个例子。');
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  with lxpServerSocketForFiles1.FilesName do
  begin
    Add(Path + '乖小孩.gif');
    Add(Path + '双胞胎.jpg');
    Add(Path + '浴血长沙 ——第三次长沙会战守城记.htm');
  end;
  lxpServerSocketForFiles1.Open;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  with lxpClientSocketForFiles1 do
  begin
    SavePath := DownLoadPath;
    Host := Get_ComputerName;
    Open;
  end;
end;

procedure TForm1.lxpClientSocketForFiles1SocketStatus(Sender: TObject;
  Status: Word; CurrentFilesLength, FileIndex: Integer);
begin
  if Gauge1.MaxValue <> lxpClientSocketForFiles1.FilesLength then
    Gauge1.MaxValue := lxpClientSocketForFiles1.FilesLength;
  Gauge1.Progress := CurrentFilesLength;   
end;

end.