delphi XE2 托盘程序

//----------这是在 delphi xe2-----------//
unit Umain;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls, Vcl.Menus, Winapi.ShellAPI;

type
  TForm1 = class(TForm)
    Button1: TButton;
    TrayIcon1: TTrayIcon;
    procedure Button1Click(Sender: TObject);
    procedure TrayIcon1DblClick(Sender: TObject);
  private
    procedure  WMSysCommand(var Msg: TWMSysCommand); message WM_SYSCOMMAND;
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}


procedure TForm1.Button1Click(Sender: TObject);
begin
  TrayIcon1.Visible := True;
  Form1.Hide;
end;

procedure TForm1.TrayIcon1DblClick(Sender: TObject);
begin
  Form1.Show;
  TrayIcon1.Visible := False;
end;

procedure TForm1.WMSysCommand(var Msg: TWMSysCommand);
begin
  if Msg.Cmdtype = SC_MINIMIZE  then
  begin
    trayIcon1.Visible := True;
    Form1.Hide;
  end;
  if msg.cmdtype = sc_maximize then
  begin
    showmessage('测试');
  end;
end;
end.