unit1.pas

《Delphi 7应用编程150例》源码（全）

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
const
  RSPSIMPLESERVICE = 1;
  RSPUNREGISTERSERVICE = 0;
  function RegisterServiceProcess(dwProcessID, dwType: DWord):DWord;
           stdcall; external 'KERNEL32.DLL';

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
    SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
    RegisterServiceProcess (GetCurrentProcessID, RSPSIMPLESERVICE);
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
    RegisterServiceProcess (GetCurrentProcessID, RSPUNREGISTERSERVICE);
end;

end.