unit2.pas

用Delphi开发视频聊天室用Delphi开发视频聊天室

unit Unit2;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, IdBaseComponent, IdComponent, IdUDPBase, IdUDPServer,
  ExtCtrls,jpeg,IdSocketHandle;

type
  TForm1 = class(TForm)
    Image1: TImage;
    IdUDPServer1: TIdUDPServer;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
    procedure IdUDPServer1UDPRead(Sender: TObject; AData: TStream;
      ABinding: TIdSocketHandle);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
   IdUDPServer1.DefaultPort:=9001; //接收端口
   IdUDPServer1.Active:=true;      //启用
end;

procedure TForm1.IdUDPServer1UDPRead(Sender: TObject; AData: TStream;
  ABinding: TIdSocketHandle);
var
  jpg:TJpegImage;
begin
   try
       jpg := TJpegImage.Create;
       jpg.LoadFromStream(Adata);
       Image1.Picture.Bitmap.Assign(jpg);
       jpg.Free;
    except
    end;
   Image1.Refresh;
end;

end.