unit1.pas

局域网消息广播

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, ALMailSlot, ExtCtrls;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Memo1: TMemo;
    Button1: TButton;
    Label2: TLabel;
    Edit1: TEdit;
    Label3: TLabel;
    Button2: TButton;
    Label4: TLabel;
    Memo2: TMemo;
    Label5: TLabel;
    Edit2: TEdit;
    Button3: TButton;
    Button4: TButton;
    Label6: TLabel;
    Bevel1: TBevel;
    ALMailSlot1: TALMailSlot;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure ALMailSlot1NewMessage(Sender: TObject; Computer, UserName, Text: String);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  ALMailSlot1.SendMessage(Edit1.Text, Memo1.Text);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  ALMailSlot1.Broadcast(Memo1.Text);
end;

procedure TForm1.ALMailSlot1NewMessage(Sender: TObject; Computer, UserName, Text: String);
begin
  Memo2.Lines.Add('From: ' + UserName + '(' + Computer + ')');
  Memo2.Lines.Add(Text);
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  Button4.Enabled := True;
  Button3.Enabled := False;
  Edit2.Enabled := False;
  ALMailSlot1.Mailbox := Edit2.Text;
  ALMailSlot1.Active := True;
  Label6.Visible := True;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
  Button3.Enabled := True;
  Button4.Enabled := False;
  Edit2.Enabled := True;
  ALMailSlot1.Active := False;
  Label6.Visible := False;
end;

end.