unit1.~pas

socket控件的初级应用

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    ClientSocket1: TClientSocket;
    OpenDialog1: TOpenDialog;
    Button2: TButton;
    Edit1: TEdit;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure ClientSocket1Read(Sender: TObject; Socket: TCustomWinSocket);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  name:string;
  buffer: pointer;
  rece_file:boolean;
implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  testream:tfilestream;
  i:integer;
  ll:array [0..1023] of byte;

begin

testream:=tfilestream.Create(edit1.Text,fmOpenRead); //初始化流tempstream,在用sendstream(m1)发送流后，
//它将保留到socket对话结束，
//不用手工free掉
//showmessage(inttostr(testream.Size));
//testream.Position:=0;
  i:=testream.Size;
  edit1.Text:=inttostr(i);
  testream.Position:=0;
  ClientSocket1.Socket.SendStream(testream); //发送文件
//testream.Free;


end;

procedure TForm1.Button2Click(Sender: TObject);

begin
if Opendialog1.Execute then
  begin
    edit1.Text:=Opendialog1.FileName;
  end;

end;


procedure TForm1.ClientSocket1Read(Sender: TObject;
  Socket: TCustomWinSocket);
var
  testream:tfilestream;
begin
{testream:=tfilestream.Create(edit1.Text,fmOpenRead); //初始化流tempstream,在用sendstream(m1)发送流后，
//它将保留到socket对话结束，
//不用手工free掉
showmessage(inttostr(testream.Size));
testream.Position:=0;
ClientSocket1.Socket.SendStream(testream); //发送文件 }

end;

procedure TForm1.Button3Click(Sender: TObject);
begin
ClientSocket1.Active:=true;
end;

end.