本文整理自网络，侵删。
打开Delphi 7，新建，选择Other->Service Application 修改属性中Name和DisplayName，Name是Service的名称，决定着进程的标识，DisplayName是显示在操作系统里的服务面板里的服务的名称。例如我们将Name修改为NoticeService。
新建一个类，例如名字叫做TNoticeThread，继承自TThread，并重写protected过程Execute。在NoticeService的类定义中添加一个NoticeThread对象。
找到属性的Events选项卡，分别添加OnStart，OnPause，OnContinue，OnStop事件，用这几个事件来控制NoticeThread线程的运行：
代码如下：
unit ufrmMain;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs;
type
TNoticeThread = class(TThread)
private
protected
procedure Execute; override;
end;
type
TNoticeService = class(TService)
procedure ServiceStart(Sender: TService; var Started: Boolean);
procedure ServiceStop(Sender: TService; var Stopped: Boolean);
procedure ServicePause(Sender: TService; var Paused: Boolean);
procedure ServiceContinue(Sender: TService; var Continued: Boolean);
private
NoticeThread: TNoticeThread;
public
function GetServiceController: TServiceController; override;
end;
var
NoticeService: TNoticeService;
implementation
{$R *.DFM}
procedure ServiceController(CtrlCode: DWord); stdcall;
begin
NoticeService.Controller(CtrlCode);
end;
function TNoticeService.GetServiceController: TServiceController;
begin
Result := ServiceController;
end;
procedure TNoticeService.ServiceStart(Sender: TService;
var Started: Boolean);
begin
NoticeThread := TNoticeThread.Create(False);
Started := True;
end;
procedure TNoticeService.ServiceStop(Sender: TService;
var Stopped: Boolean);
begin
NoticeThread.Terminate;
Stopped := True;
end;
procedure TNoticeService.ServicePause(Sender: TService;
var Paused: Boolean);
begin
NoticeThread.Suspend;
Paused := True;
end;
procedure TNoticeService.ServiceContinue(Sender: TService;
var Continued: Boolean);
begin
NoticeThread.Resume;
Continued := True;
end;
{ TNoticeThread }
procedure TNoticeThread.Execute;
begin
inherited;
end;
end.
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