- 在线时间
- 0 小时
- 最后登录
- 2007-9-23
- 注册时间
- 2004-9-10
- 听众数
- 3
- 收听数
- 0
- 能力
- 0 分
- 体力
- 9975 点
- 威望
- 7 点
- 阅读权限
- 150
- 积分
- 4048
- 相册
- 0
- 日志
- 0
- 记录
- 0
- 帖子
- 1893
- 主题
- 823
- 精华
- 2
- 分享
- 0
- 好友
- 0

我的地盘我做主
该用户从未签到
 |
(1)不用登陆进系统即可运行. 3 p1 u8 x; k) U2 L7 l# \
(2)具有SYSTEM特权.所以你在进程管理器里面是无法结束它的.
7 H" I {0 Z' M- G a
2 r" l* Y8 k. Z. B! ?3 a; ? 笔者在2003年为一公司开发机顶盒项目的时候,曾经写过课件上传和媒体服务,下面就介绍一下如何用Delphi7创建一个Service程序.
4 G& O* K& \! o D 运行Delphi7,选择菜单File-->New-->Other--->Service Application.将生成一个服务程序的框架.将工程保存为ServiceDemo.dpr和Unit_Main.pas,然后回到主框架.我们注意到,Service有几个属性.其中以下几个是我们比较常用的: B' D% y& {& Z9 B7 ]
% z1 B4 x6 m" [ m& _; w' p- \
(1)DisplayName:服务的显示名称
; U) t: A4 z0 |, P9 }5 Q (2)Name:服务名称.
/ k2 y; I8 L0 E2 z) ~1 `' o
: _" m' g( [' Q 我们在这里将DisplayName的值改为"Delphi服务演示程序",Name改为"DelphiService".编译这个项目,将得到ServiceDemo.exe.这已经是一个服务程序了!进入CMD模式,切换致工程所在目录,运行命令"ServiceDemo.exe /install",将提示服务安装成功!然后"net start DelphiService"将启动这个服务.进入控制面版-->管理工具-->服务,将显示这个服务和当前状态.不过这个服务现在什么也干不了,因为我们还没有写代码 先"net stop DelphiService"停止再"ServiceDemo.exe /uninstall"删除这个服务.回到Delphi7的IDE.
0 c: j; N$ ^- C5 ^3 ^' f, N- D2 D; |, l
我们的计划是为这个服务添加一个主窗口,运行后任务栏显示程序的图标,双击图标将显示主窗口,上面有一个按钮,点击该按钮将实现Ctrl+Alt+Del功能. ! Z& g" E: b, w( u, U
4 B; G$ C- h w
实际上,服务程序莫认是工作于Winlogon桌面的,可以打开控制面板,查看我们刚才那个服务的属性-->登陆,其中"允许服务与桌面交互"是不打钩的.怎么办?呵呵,回到IDE,注意那个布尔属性:Interactive,当这个属性为True的时候,该服务程序就可以与桌面交互了.
/ ]3 v1 P8 j* \. Q; L9 y. {( f- ~! B. U2 W$ w, @% T8 f5 l* P; \' `6 M
File-->New-->Form为服务添加窗口FrmMain,单元保存为Unit_FrmMain,并且把这个窗口设置为手工创建.完成后的代码如下: # x& [* K2 {0 I; ]7 v
. d3 m+ [! [8 ?4 f
7 M9 w; J; c8 p$ munit Unit_Main;
, f" ?/ v0 \/ s4 E& W7 ~& R$ X: R7 E7 ]: G# u
interface % [3 h' w+ A' ?' p! O0 S
; z) w( r1 n! m5 Z4 Juses
9 D" ~: F: }7 z7 YWindows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain; : r& v' q8 z* H. i/ S
* o6 y, ]. D4 h5 T
type 9 ]' w8 D; K- T7 L7 n4 W
TDelphiService = class(TService) 5 Q0 I$ k7 ^. d) W& G
procedure ServiceContinue(Sender: TService; var Continued: Boolean);
# {! ^* J( G% _9 Lprocedure ServiceExecute(Sender: TService); 5 Q9 ~$ i7 `" K. R0 t9 r
procedure ServicePause(Sender: TService; var Paused: Boolean);
' b. Z j) e" Aprocedure ServiceShutdown(Sender: TService); 1 A/ z- F% }7 Z/ [) m- d( n
procedure ServiceStart(Sender: TService; var Started: Boolean);
+ j$ L0 v/ z! jprocedure ServiceStop(Sender: TService; var Stopped: Boolean);
& v, E2 S4 T- \/ U; [private
D! W3 C" Y! {- L+ \/ [{ Private declarations }
) ?/ [- a4 @: [2 f y( v) hpublic % R) X- g; z2 l$ C! M! p3 Q: V+ v
function GetServiceController: TServiceController; override;
: U |3 B# z( n- ?* p{ Public declarations } * A3 n% X. v9 _7 k7 ^
end;
; w: t; c2 }/ V, i$ `& K- K5 i; S+ o A
var
' y% u% q L8 zDelphiService: TDelphiService; . }/ H$ a' P% k# g8 a
FrmMain: TFrmMain;
4 Q5 ?* y; i5 y( _( R' L, qimplementation ; |+ Q/ t8 E; y2 Z2 L' b
% j* L2 ?, A% Z7 p3 O
{$R *.DFM}
! @" j! ^" d4 q+ j. y' g" d
% |! Y7 @. [# _/ J- w' y) ~2 pprocedure ServiceController(CtrlCode: DWord); stdcall; & z+ u% E$ j9 R4 a9 }) p& c
begin ! R) j$ Y1 n2 a- |7 ]
DelphiService.Controller(CtrlCode); # F) r9 d* L- P; Y
end; & w3 ]6 a9 J2 O# z M
$ Y. H5 s% {. pfunction TDelphiService.GetServiceController: TServiceController; e$ _& n* _, t0 Q v/ a: V
begin
% Y; m3 x/ \ MResult := ServiceController; ; T1 N( { ]1 i( b
end; 3 H- J$ V' e8 m/ K/ l: f" n4 w8 G* }
- g0 H/ D; H2 G2 Yprocedure TDelphiService.ServiceContinue(Sender: TService;
6 ?$ \5 M- k# _/ a% u2 R D" f6 evar Continued: Boolean); : Z6 a8 k$ @/ P6 q: L: f5 |
begin * g* l. s$ g1 g( b
while not Terminated do
/ y, [$ ?# U& xbegin
) F" n5 `% I u, p8 vSleep(10);
+ g+ [4 B& B, d F$ s7 |3 [+ Y+ tServiceThread.ProcessRequests(False);
1 Y3 d _; o& ]% P6 I4 u9 n! G1 ]end; # [& V7 F' a" B% p6 A
end; 0 H5 _9 `# o; |
3 J, ~) x: ?% u Y" m! _procedure TDelphiService.ServiceExecute(Sender: TService);
3 v7 c. {+ J1 Tbegin
" U+ W& J3 X0 h* o& Hwhile not Terminated do " Q8 D9 F0 i( m+ c) n6 |, B
begin - ^2 f/ N% \' _* U6 n
Sleep(10);
9 j9 |$ t- G8 h9 R, `8 pServiceThread.ProcessRequests(False); , E0 P% D* o, v$ z7 ^; w: H
end;
5 e' F7 a% C2 Q8 k& Nend;
0 n/ F1 A* A) \1 d# S/ c+ ~4 b& o3 R( {( q+ u+ w
procedure TDelphiService.ServicePause(Sender: TService; " J' e. {( z; u0 U
var Paused: Boolean); ) T- [6 C& U0 t( j
begin
( `7 f8 R+ l( X3 M8 h IPaused := True; ( {3 q( X# [/ b& k5 p
end;
% }# t# h `& m# g6 A- }
/ W. w9 w8 l: @0 Oprocedure TDelphiService.ServiceShutdown(Sender: TService);
: d$ h. i& Q, }. }5 E: cbegin
: u! w1 M( E* t! KgbCanClose := true; ! b4 [$ T/ t* e$ T& W3 k
FrmMain.Free;
# S$ ^# W+ J0 G6 z& x# [4 h' a2 lStatus := csStopped;
* s8 X( @0 \4 B+ UReportStatus();
/ l; Z* ]# |9 n+ V* L6 D& Dend;
5 }8 G. h1 X9 g+ w" _$ J% L. W0 n- u6 A
/ E, E( h! }- p+ H6 Q7 @3 Aprocedure TDelphiService.ServiceStart(Sender: TService;
5 F/ Q* R0 C& P2 t1 n @* u" ?% b$ ]var Started: Boolean);
& K4 d" B' n( L/ P& W0 y6 H1 M! fbegin
$ V0 v2 F* P) f8 w8 P8 gStarted := True; 7 g9 |) M! t4 p& }- W f2 N
Svcmgr.Application.CreateForm(TFrmMain, FrmMain);
9 z. _* h1 C$ I& ~+ o5 J/ ugbCanClose := False;
! p6 @: X# ^ Z; @" T: MFrmMain.Hide; / q! M2 L* R7 k6 B! L' \
end;
9 |7 ]( o( Y8 _& P$ y7 H
( W C# e5 a8 fprocedure TDelphiService.ServiceStop(Sender: TService; 2 @7 Y$ A# B( C+ v. |) D
var Stopped: Boolean); & P6 s* }4 |9 B. m3 i4 s. f' w
begin
) w8 l0 O3 Z- S, DStopped := True; : F5 ]6 W# w% e% c& D, a
gbCanClose := True; & |: n, a: s& Z
FrmMain.Free; $ J0 p9 n5 c; e( W; c0 [
end;
( ?5 y7 L. o2 f8 g* c" }2 {
4 b, f' U, C1 V2 yend.
. H$ a6 L( n! m; x4 A' v( n8 j& u6 O' R+ k! K4 U2 i
9 |* K6 ~8 u% P" k6 t, ^3 B2 }+ l; j
主窗口单元如下: 4 v: X9 n) k" V, e
* n8 k; u6 j2 b* k' yunit Unit_FrmMain; 0 L& N$ `7 ?; m
7 w* l2 W5 ?$ M: I0 f
interface
7 _; X' l ]' A$ i8 ~
7 {9 C) y+ `/ \- u3 Juses
2 V7 a2 c N }% \8 c8 u! {$ t3 ZWindows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms, 0 S7 e6 _9 C/ o. I2 i6 T
Dialogs, ExtCtrls, StdCtrls;
& t b( H9 Q: [- c5 B) `- C. f& i" H
( F( _- G2 G3 t+ g o. ^* lconst - K9 `1 A2 G5 w' v# [5 E/ Q
WM_TrayIcon = WM_USER + 1234;
3 c, a! R# c/ s" Gtype . W3 J$ D' ^5 H
TFrmMain = class(TForm) 3 ~7 f0 [2 E$ M A( o( `, o
Timer1: TTimer;
' A/ A# P& k, M) K6 ZButton1: TButton;
3 { V: y+ Q) y+ @7 z5 A7 Qprocedure FormCreate(Sender: TObject);
0 V' W9 {7 A$ O# Sprocedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
6 A+ O4 t1 K# ]- M' Xprocedure FormDestroy(Sender: TObject); ) o x% j5 m( z6 ^+ [
procedure Timer1Timer(Sender: TObject);
( V7 g- C' w2 e8 T- V3 a. ?procedure Button1Click(Sender: TObject);
( v! ]* ]6 e. e- K( u# k. z5 Oprivate * R) H; h8 |0 u/ b. D6 f
{ Private declarations }
" F- ~" f0 z; T* VIconData: TNotifyIconData;
l& O+ A, y4 T6 iprocedure AddIconToTray; ( `& t; P( r8 u" G" h/ {
procedure DelIconFromTray;
. r2 R9 i+ U. Lprocedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon; . `+ O2 u8 B5 d9 N% G1 Y
procedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND;
; S8 O6 ]+ R9 v! s+ ^. lpublic ; m. O1 n& h# |: g% ~ ~+ O
{ Public declarations } ' m4 e" D) o# M6 L
end; 9 S( ~* G6 K2 x
' A% P) U* p; Mvar ! R1 `5 v" A% D5 J0 Z. m+ W# q
FrmMain: TFrmMain; " f' p4 ^# ~1 U2 ~+ M$ h
gbCanClose: Boolean;
* t# w9 {9 P0 b% r6 Vimplementation @! Z& `& T; m* O4 [9 h8 i
+ E1 L& d# q. p2 D
{$R *.dfm}
3 C8 e6 Q6 N5 ]& N% [+ F
, q0 }8 i( L, L4 {0 Oprocedure TFrmMain.FormCreate(Sender: TObject); % s# i. w( L1 P; {' M: y
begin
: Z0 H' f6 y7 Y% H' AFormStyle := fsStayOnTop;
% \2 \/ n, w+ T; r! L8 GSetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
, g; G) j; [; S7 ]5 ^6 |+ ?- \7 hgbCanClose := False; 0 T* V# S# l: X, l5 J: D0 A
Timer1.Interval := 1000;
5 f( D& ~( N1 A8 [. M7 w6 r' fTimer1.Enabled := True; - i5 j R0 w$ d( K
end; 3 u7 g, `, _0 S- }
8 l9 k9 ]8 _4 M j# p1 G
procedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
8 e, w1 W& F: R$ ^begin ) ]" N6 [; F; H) a
CanClose := gbCanClose;
. T( U% [2 h' v: Rif not CanClose then : v$ X8 P- r0 R5 U7 w8 S
begin
: Z! @+ |% A$ a: jHide;
9 a* I$ z* m" e1 o# j# w4 [end; 0 r/ g( W9 o& Z+ N
end;
- G5 M0 g. w8 s A) K& J- s( ^
procedure TFrmMain.FormDestroy(Sender: TObject); - D! s# W6 y' @& C, ~
begin
9 L- K' m3 N; d+ ZTimer1.Enabled := False;
- k1 Y/ q5 O3 |) b5 tDelIconFromTray;
2 d) S) \+ G. H3 t/ Dend; " l N3 L% a9 w' k) ?
- X9 r9 x/ }; o3 w7 V. C1 iprocedure TFrmMain.AddIconToTray; : z/ _* p) ~( a( A# g& F
begin 8 e0 o1 v/ p/ L3 q7 |- B. Z8 g
ZeroMemory(@IconData, SizeOf(TNotifyIconData));
/ z5 n: k' @" X9 G3 l+ r/ M: PIconData.cbSize := SizeOf(TNotifyIconData); 3 e( h; x- k0 D6 s& r- n1 s
IconData.Wnd := Handle;
L R7 a2 x) H6 H. R6 @9 TIconData.uID := 1; ! {# M- R3 X0 V1 L: W( ^1 N! u. k
IconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP; - S6 ^' z7 Z$ H% d) r, ^
IconData.uCallbackMessage := WM_TrayIcon; : v- d* l1 r8 \
IconData.hIcon := Application.Icon.Handle;
2 Q9 v2 S" ]0 j: P& X4 y* OIconData.szTip := 'Delphi服务演示程序'; # l2 B9 ~" a1 {9 Q N% I: c
Shell_NotifyIcon(NIM_ADD, @IconData); 0 i' ]/ S) z9 u0 C' q4 f
end;
- \ I0 j' g! h' }- x A1 i. L* U" W% S$ z
procedure TFrmMain.DelIconFromTray;
: W5 ~3 v6 [' n5 K7 Lbegin
* y6 S' r% j8 p; |5 N4 cShell_NotifyIcon(NIM_DELETE, @IconData); " r, m* ], ?& ]* Z5 N- H5 r! U/ c
end;
2 j2 o+ \* e2 M: I: o4 E" u/ w+ W. V( n) J
procedure TFrmMain.SysButtonMsg(var Msg: TMessage); 2 K4 l# {; V+ n- u" |/ N& _
begin 6 [5 g: i% n( A$ V" S! h0 I5 }# O
if (Msg.wParam = SC_CLOSE) or
+ `. Y/ B/ a$ m# b8 R(Msg.wParam = SC_MINIMIZE) then Hide
2 [# d ^6 l# j- E9 Jelse inherited; // 执行默认动作
! {# D" J1 L/ Fend;
1 P& ?. k8 X! y7 G) c; ]
4 H. {% _6 X- _! Hprocedure TFrmMain.TrayIconMessage(var Msg: TMessage); . b( H& p8 U$ q7 C
begin
: \; f3 _0 m7 P x1 mif (Msg.LParam = WM_LBUTTONDBLCLK) then Show(); 2 z" M [2 b$ Z# l; I5 L z# a
end; # t x* `9 E7 o! M
+ O+ x& P/ `- R4 B
procedure TFrmMain.Timer1Timer(Sender: TObject);
! h4 Z# x0 R! b7 ]9 Bbegin
8 K6 _' y8 ~" s* eAddIconToTray;
& h" H8 l" b; {/ X% w; t e( Dend;
, i. t# v) @2 q
0 |1 D# p O f) h& Zprocedure SendHokKey;stdcall;
* A- q: ]0 p! j% Wvar # v, Q# t" M, b4 P- M0 M
HDesk_WL: HDESK;
) ]" k0 a2 _+ {) Bbegin
; Y f2 d2 A( _( i& r; pHDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK);
5 U. A$ G1 |" ~$ Aif (HDesk_WL <> 0) then
, {7 p0 s5 _5 X5 lif (SetThreadDesktop (HDesk_WL) = True) then ! B& Y7 f l: k. _2 s" X/ z
PostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE)); & o4 H; l2 H* v; J
end; : {% Q: V, b# `- E$ w7 U
! D! u8 H* J( n' i& ~procedure TFrmMain.Button1Click(Sender: TObject);
2 m6 ~- b8 P) G% \' x7 jvar
6 i' S& _9 z4 R" v7 ]dwThreadID : DWORD; % k, c: e2 }+ K4 P0 @2 Z
begin
8 l7 l$ k) l y$ @* ]$ x! TCreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID); & F$ e1 ^: A( X0 l, i$ U& t
end; 8 |" B) J, E4 s! _0 K. X$ F- J4 o
& `) a* L8 C( E* k+ A% W
end. & j, z! ~5 q* U) e; c x! T
0 s1 W% N+ C) s6 n' S; u' @. g# M
- s/ a4 P9 T$ |6 i( \% w6 Q
补充:
% w7 w$ N& m0 a(1)关于更多服务程序的演示程序,请访问以下Url:http://www.torry.net/pages.php?id=226,上面包含了多个演示如何控制和管理系统服务的代码.
8 l: B0 I" x, H o0 w I
: m3 J' Z- T }, d(2)请切记:Windows实际上存在多个桌面.例如屏幕传输会出现白屏,可能有两个原因:一是系统处于锁定或未登陆桌面,二是处于屏幕保护桌面.这时候要将当前桌面切换到该桌面才能抓屏.
1 Q; p3 x* F" y4 D% y' o U0 q
(3)关于服务程序与桌面交互,还有种动态切换方法.大概单元如下: . ?2 L9 m5 z7 h% U* u7 a/ t" t
unit ServiceDesktop; 7 [- \. {3 ^/ c* T3 _: H
2 L ~2 O# O& d7 ~% d
interface
( K N0 x% ^; @! e' i$ u4 s) i
8 B- p0 \) c# f1 g$ d7 J1 Lfunction InitServiceDesktop: boolean;
% e0 v# l4 X* eprocedure DoneServiceDeskTop; R! [* n j" v9 r; O C* H8 p
; P+ E; ^3 |1 R! H; x
implementation
0 w7 |7 S) ]/ M! z& I+ G6 c2 N* l+ c) C6 k2 V" f
uses Windows, SysUtils;
& z. T0 z3 a4 g( b$ j$ M6 e4 t3 ]) t. J
const
v. @$ b# q* W5 l) u& ^& A% C3 wDefaultWindowStation = 'WinSta0'; ' K& ?" [( B2 f5 f9 G6 W4 q" e, H
DefaultDesktop = 'Default';
% j: p' O4 E1 x9 `9 q# R* w! avar 6 P- `6 r+ H4 X) G& G& I
hwinstaSave: HWINSTA;
. l1 l& Z# N- z( @# UhdeskSave: HDESK;
- S( x" s2 _; n7 A5 ]hwinstaUser: HWINSTA;
% v: W9 K2 ^5 _; z5 F# whdeskUser: HDESK; 0 T) f0 i2 `6 O8 ?" q0 I
function InitServiceDesktop: boolean; 1 e9 f/ q2 c4 v r2 B5 C; B
var
9 y2 s8 t; c6 wdwThreadId: DWORD;
* I7 H! B/ w7 A1 _$ s" b7 ~' ]: Bbegin * }7 q y: K T. |7 u
dwThreadId := GetCurrentThreadID;
/ p' y6 [. O! y// Ensure connection to service window station and desktop, and . N. j* I2 r8 `: D+ a4 S! e
// save their handles. # O4 |3 J! }0 N B- T
hwinstaSave := GetProcessWindowStation;
p8 r8 D6 i% k" {2 A: c5 mhdeskSave := GetThreadDesktop(dwThreadId); # E: P5 \% C$ j7 k6 ]+ }" x
3 K& S* s! U# A4 o4 _) E! [, _- y) W
4 r+ k8 p, w2 F' LhwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED); 7 n1 ~! f" E* Z& @
if hwinstaUser = 0 then 8 O9 W' m1 q1 C+ k2 S8 e# r
begin
% `% ~9 }* w, b, ?2 z: ~1 i! XOutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError))); 0 H; A7 L& w; @) Y I
Result := false;
; D0 }& H$ e, x+ Mexit; 4 U4 a# o- z1 T/ G: }( H
end; , k1 L* B; D- K; ]; }" Z2 z+ M
) l5 G& p! o/ [( tif not SetProcessWindowStation(hwinstaUser) then ' B# O0 ?- g. k+ v
begin ! [3 { o" O' c+ Q
OutputDebugString('SetProcessWindowStation failed');
- M- P4 \& X) b3 i- pResult := false; 8 [1 n' i+ A% B0 S W
exit; 6 l! _# z. y/ H# o& Q1 g$ h8 ?
end; & q$ R5 z' f/ d2 J$ F- y# p
2 t/ |$ S I I+ l' ihdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED); 1 R* f! J' U0 _
if hdeskUser = 0 then . o# |& x) K/ I: _9 Z, F
begin
6 u n# d$ w( P! {6 P+ ]OutputDebugString('OpenDesktop failed'); ' h) h3 t, B7 \( v. M) D
SetProcessWindowStation(hwinstaSave); % j/ K2 x1 o0 K5 R" M# G/ L/ t
CloseWindowStation(hwinstaUser);
8 [) z3 x5 M; j" OResult := false;
, @# x- P A3 H7 k, S* D7 y" i" q7 Bexit;
) ?+ t( U5 t" lend;
( I# G& h# j/ m! iResult := SetThreadDesktop(hdeskUser); 0 ]/ ?% t$ ^; p# p( ]& |' q* P/ T
if not Result then
4 }! E# N/ V% X$ k% b3 OOutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError))); 4 b% }4 u9 t7 y6 [3 Q" \( v5 ?
end;
8 V0 v$ W; C; E+ ?' @
# t, e0 v+ s& z; S2 ]+ L1 Yprocedure DoneServiceDeskTop;
; ?4 U: c' ^! I. s- q" c Z7 }' {begin
) P N. v E4 ?% E: V& |; J// Restore window station and desktop. # u% e$ _, q4 Q; `8 Q
SetThreadDesktop(hdeskSave); 3 O( y# d5 i7 _ x
SetProcessWindowStation(hwinstaSave); ' `5 f; \" Q0 q! i
if hwinstaUser <> 0 then W8 j* Z' i& `6 k
CloseWindowStation(hwinstaUser); # u% V% x, |1 J: n5 I( F+ p
if hdeskUser <> 0 then 1 u/ U% w7 Z% W
CloseDesktop(hdeskUser); ' ?- E! z- ^! n, a- B
end;
9 g K; x5 J7 ^& ?7 `7 n( v
7 H- M( c1 h7 o! j" {initialization
7 V- g, p( |8 N, H$ EInitServiceDesktop; ( b' ]1 D& n2 V
finalization
; j0 I( A" H9 f* }! i5 B) wDoneServiceDesktop; + L: P6 A3 D7 q4 u7 ^ H4 `
end. . h7 c4 }- ]5 R0 h9 E( b. {4 o# n
更详细的演示代码请参看:http://www.torry.net/samples/samples/os/isarticle.zip
. o1 x z- b9 H* m1 i5 M! I
& e! D- k, `3 O9 m0 S3 S* _* g% Z(4)关于安装服务如何添加服务描述.有两种方法:一是修改注册表.服务的详细信息都位于HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\下面,例如我们刚才那个服务就位于HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DelphiService下.第二种方法就是先用QueryServiceConfig2函数获取服务信息,然后ChangeServiceConfig2来改变描述.用Delphi实现的话,单元如下: 2 T$ H/ k- V) R8 U6 g+ F0 j
& T' y+ }6 X3 v0 e5 o P
unit WinSvcEx;
% e' O6 J0 q$ a/ M4 [0 J8 }
8 J6 [: K3 V5 x; v9 Cinterface 5 f, ^- `3 N) [6 u
1 z2 p2 ~6 x: B- R+ h& Xuses Windows, WinSvc;
! G. b- L. l$ n1 c, I
4 X: Q+ x5 C* c( d! W6 @$ J( nconst % x2 b7 V+ e" S6 ~) D5 y/ K
// 3 g9 J7 z* J2 f i0 p" d: m
// Service config info levels o+ V9 x. ]+ M1 {. c
//
8 ]) X/ N. p1 [- b6 X" F |2 CSERVICE_CONFIG_DESCRIPTION = 1; % L/ H$ A, M- l: ?
SERVICE_CONFIG_FAILURE_ACTIONS = 2; |
zan
|