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我的地盘我做主
该用户从未签到
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(1)不用登陆进系统即可运行. . P: K9 J1 l& v9 c
(2)具有SYSTEM特权.所以你在进程管理器里面是无法结束它的.
1 q" m* A8 [0 k( }7 V3 V9 ?3 {% L1 K' Y [6 p5 @
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.
3 h+ M( U5 l% J% \ 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: - K" m* g0 L' }3 f( u* c% i
) `& V6 A6 P. G' m1 H' | (1)DisplayName:服务的显示名称 ( h6 I% m& |+ ?) s, S3 ?" V
(2)Name:服务名称.
- V; c Y$ i, z, I/ c; S# |. D/ Y! y& b1 t, d2 N7 }" D4 ]6 e
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. 8 O) ^* x. V& k4 z6 n o6 u
4 C# `; {; K) ~7 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.
0 F9 h8 E8 t/ d7 C" ]" y
+ F1 z& Y9 q9 M 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. ! s6 r. C1 u' t. p
' n. x7 H% T" G5 ]: }# @, t
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: & ^2 Z' X7 Z! o. b# q9 X
. Z/ M4 t/ r1 ^
! \% y1 }& ?) {5 E3 A4 I+ c; T
unit Unit_Main; 8 P# m" ]# m: u/ u3 t( [9 T- C
& z0 ~+ d y5 x) winterface
' E/ ?# w! T+ Y) s# I+ j8 R2 {5 O: |$ H3 {. c2 I x& ?
uses
! W2 _8 C- |2 q3 o! v# ]$ m. \Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain;
6 N$ i- e- ]# `) S" _4 ~1 G
; g8 V i+ l. j+ J- B: Dtype
2 f8 O0 e( @$ ]8 s: k6 wTDelphiService = class(TService) - a. u& O0 ?+ M3 Y7 F5 g [$ H* F" [
procedure ServiceContinue(Sender: TService; var Continued: Boolean);
+ m( U* w- w9 a, _- cprocedure ServiceExecute(Sender: TService); ) I, h( F5 |8 e2 \8 S* G* V" @3 e
procedure ServicePause(Sender: TService; var Paused: Boolean); " n5 u* H ]. X$ }% N
procedure ServiceShutdown(Sender: TService); ) q' `- s; l1 F+ j9 G+ N! `
procedure ServiceStart(Sender: TService; var Started: Boolean);
- A7 H# c. N) Z" t4 aprocedure ServiceStop(Sender: TService; var Stopped: Boolean); ( v& w d- R: B
private 3 j# w7 J8 N/ b+ c" M
{ Private declarations } U* I8 r9 A: ?2 T2 S" C/ Z( G8 M5 a
public 9 Y3 t0 `* J( y
function GetServiceController: TServiceController; override;
Z8 J: g; F# y! p; {6 P; J{ Public declarations } 1 H9 W0 J% M. f) O
end;
) `7 C& o: m0 J" _/ O/ O6 [; E- R- Q$ z; b q3 P2 q2 F4 U
var
% B I4 i" Q( Z$ d) qDelphiService: TDelphiService;
* e1 y4 j% J3 {FrmMain: TFrmMain;
! E2 m* ^/ a! H( S8 ]4 zimplementation 0 o/ q0 ^) ?/ o! `
, x' j4 T+ V6 o- b0 j+ g% i
{$R *.DFM}
6 T# l8 W7 D2 ~# L0 R! ^: _: ~; \1 B# k# U
procedure ServiceController(CtrlCode: DWord); stdcall; / W- `8 u& f6 W6 o5 X; Y3 A
begin
1 h# J$ T8 c5 ]DelphiService.Controller(CtrlCode); 7 `( } _8 H% J' T
end; 4 N, n3 ~( f6 B4 e
0 O8 Q7 B' h% P7 E. Wfunction TDelphiService.GetServiceController: TServiceController;
$ {/ e/ i0 U1 @, {/ Dbegin
' [8 p" Q7 D3 O8 B4 lResult := ServiceController;
a4 `" Z$ F: K! Y( ] W# x. uend;
; R; [' v8 q! \& _5 b2 @9 i0 C S6 c- m7 X6 K
procedure TDelphiService.ServiceContinue(Sender: TService;
9 {' F6 {& W" jvar Continued: Boolean);
3 h& T# K; t* [& ?begin
2 T; j1 M5 e1 h. N! a/ ]! cwhile not Terminated do ( r5 ], h& u7 ~1 W" _% o; l
begin
* w, ?2 x/ Y5 p0 T1 DSleep(10);
% k: v u: n, v A6 UServiceThread.ProcessRequests(False); / ~# x% U2 f8 {2 A ]& x
end;
4 H) U9 b( p5 j+ g% {( B& j/ send; , }" p6 l6 d/ W- e' L
& f) k1 M) c8 u! l/ X- G
procedure TDelphiService.ServiceExecute(Sender: TService); ' w& A; |5 ^. G2 O4 Q) z: ~
begin ( T5 f/ f' R5 Z9 P0 o, A" o
while not Terminated do
! N; C9 y- t% I- t _) h h! Obegin
5 z3 r' X" I; J+ Q# PSleep(10);
' G' y1 \( ]: E OServiceThread.ProcessRequests(False);
$ P: t6 L- P" C) V) m; G7 D$ zend; : Q' M7 w$ v3 w% S3 {) j
end; 0 v6 r1 ^; J6 L, E" z; Y3 W; N
\* J/ O6 i. {' n0 {9 }; tprocedure TDelphiService.ServicePause(Sender: TService; ' w' b. l( S- O5 c+ `& U
var Paused: Boolean);
/ Q3 T8 L: u* vbegin 4 o9 h0 n9 b0 A7 K4 X% n; C% h( ^
Paused := True; $ e0 D2 E* ] I A1 H8 F
end;
# r+ ~* A6 M) S3 B0 o/ b! N5 F3 V, Z6 f2 W
procedure TDelphiService.ServiceShutdown(Sender: TService);
% O, N6 {. B3 L7 z; ^begin
6 x/ M6 L v' r1 |gbCanClose := true;
" d) }! h& F6 {8 bFrmMain.Free;
8 A' ~1 p' A8 _. U# {) mStatus := csStopped;
# ]( K3 }7 k. @( v6 W; N0 k9 T$ XReportStatus();
/ [2 n% A$ G4 U" L! Mend;
# Y2 Z3 h7 J* v5 o- E
1 |8 M4 Z! O% j) @; g) aprocedure TDelphiService.ServiceStart(Sender: TService; n# Z1 t* z: O- Q. i- z
var Started: Boolean);
. l% _- N( x- ?$ f- k( O5 ^. Obegin # k, J' ~5 @8 u% M. A! j
Started := True;
% c! Y8 C) _. s% w2 MSvcmgr.Application.CreateForm(TFrmMain, FrmMain);
9 \6 Q9 C5 T* H' V8 b3 `4 C! sgbCanClose := False;
( P r0 {! v w% jFrmMain.Hide; " r# f+ o7 X! _
end;
4 |! t7 s3 d7 [$ F+ `& u
) @* v9 T) Z9 k1 `% U& m1 L, B/ Pprocedure TDelphiService.ServiceStop(Sender: TService; ( ]% A5 b# G8 V' |& e% S
var Stopped: Boolean); 8 p3 B; `% a7 }
begin
; M2 l- B, w# h" m9 kStopped := True;
- @: ^! V- w6 Q6 W, \9 ]gbCanClose := True;
, j$ `( n" x9 XFrmMain.Free;
$ k# r) k2 ~' R7 _4 k2 Zend;
1 L2 y$ x9 g. m, p0 o0 d( j+ o9 j/ Z ?5 Z% v! R
end. 0 Z8 }/ F' a8 n# o( M9 @
, p, g+ Q- p8 a3 t4 Y% h
! O5 l# o& s4 S& y! T
主窗口单元如下:
0 h' |6 Q! |3 J7 c( s9 z
) v" b6 W D! [. B! F+ R9 z9 lunit Unit_FrmMain; # e- C& `# }( [
7 I+ Z2 b9 T6 V2 K4 j1 Winterface 2 V" ?3 j/ i/ L3 z" b* @! f
- g9 N' C5 ?0 Kuses _( o4 O+ M: ?, p4 F
Windows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms,
! _" V9 R& X1 ^$ C3 B1 ]# wDialogs, ExtCtrls, StdCtrls;
$ G0 |, E$ y4 h7 Y/ T
# s* H2 d% d5 J' ~6 r" pconst 3 a G: c# [* b$ ?3 s, V
WM_TrayIcon = WM_USER + 1234;
2 z& P) g$ k: N8 k7 `; U7 g! g! t0 jtype
5 d2 H, k2 z( {; qTFrmMain = class(TForm)
0 W- A4 ~0 A, g% P9 u! VTimer1: TTimer; 6 L0 W8 k2 F) @$ x- E; l: f
Button1: TButton;
+ e. \7 F5 B7 [ a rprocedure FormCreate(Sender: TObject); 5 {5 H7 M% }& ]& R% U6 v, Y6 l
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
$ r; ? H: G' k' i' L6 B) }procedure FormDestroy(Sender: TObject);
( O) H% k8 N% ^8 O/ mprocedure Timer1Timer(Sender: TObject); 2 }* B; q- l* X/ w; T- }$ p
procedure Button1Click(Sender: TObject); 4 ^2 [- `. Q4 N. V2 L: u
private
* J) d7 k) ~5 V) m# k6 M. U- h0 R* q{ Private declarations }
8 k. f) v. b, I }IconData: TNotifyIconData; 0 Q0 }9 a& i. j
procedure AddIconToTray;
- Q+ y m |* E% qprocedure DelIconFromTray;
* D o4 {, Z, c0 }6 @) Y: F0 jprocedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon;
3 Y/ I- T7 a- l& {7 @procedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND;
- S; h5 ~- n# _, hpublic 0 W) G0 j3 v% K9 ^5 n. y
{ Public declarations } ; a" _; a: b2 m" q$ O
end; 4 y% I+ T" q _- B; V6 J: f
, z$ M1 Y9 I) s& P% @9 a3 ~
var
" A- i8 v) {3 ~FrmMain: TFrmMain; 7 |2 g- y4 z; W+ G
gbCanClose: Boolean;
- c" ]/ e {0 I; ]implementation
6 Z4 H6 O8 O' x) F$ Q3 z/ j0 d* Y' k: f e8 E# K1 p" u+ u
{$R *.dfm} 5 _+ W' a7 F6 E( R+ J" A
! D$ r& h4 A+ K. v) G- f( s
procedure TFrmMain.FormCreate(Sender: TObject);
% b" A g7 _2 C5 w) M- [/ obegin * @( E( F9 q" ]
FormStyle := fsStayOnTop;
! e' I4 I- J% z# q2 r/ {. x4 ^SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW); + F# @* C8 r; R- }3 e% d$ ]/ `
gbCanClose := False; , y6 t( v+ t' n; Y4 H/ c9 G( l
Timer1.Interval := 1000; W+ b2 \& s/ U! ^4 }; M" w
Timer1.Enabled := True;
' b- k2 B+ ^0 a# Bend; ( _8 o+ `& ` G9 S
& Y5 e0 z" H' _2 ? Sprocedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
/ b% d H7 I4 ^begin ( H( W) o& y8 y4 f3 J& |
CanClose := gbCanClose;
6 L2 N# B2 N F' Y; B! n5 gif not CanClose then
3 A/ O1 Z8 K9 q } V/ dbegin 2 e4 v8 v7 b3 P$ P4 D( }* d
Hide;
) H9 I2 e; o+ p A# _5 hend;
. y \4 ~- I) Yend; |' f U: W7 Z& m+ ^' A8 H
* Y3 Y" |) R0 |( A1 O
procedure TFrmMain.FormDestroy(Sender: TObject); 5 h3 u. @! m" x- h o, w
begin 2 B# }7 r& Z- }( H8 ? I7 F: q6 O
Timer1.Enabled := False; % X, V& U0 ?3 \, A6 m- P
DelIconFromTray; 3 c u+ @+ |4 v& ]9 x
end; . ]8 J$ S2 J* z5 c0 M
, r: h5 U/ r; o& E" r6 p+ V" h
procedure TFrmMain.AddIconToTray; 4 [8 K G$ `/ Q" S0 f+ V
begin
5 L* p0 p- V7 L. r8 a/ {- A6 bZeroMemory(@IconData, SizeOf(TNotifyIconData));
- n* b0 q" |- U! vIconData.cbSize := SizeOf(TNotifyIconData); * F! o) G/ @0 k1 m3 }8 o w+ R' c" o7 _$ U
IconData.Wnd := Handle; 8 Z! s# w% _: c5 g$ a3 H
IconData.uID := 1; # C5 E+ k. k) \, j3 i. M
IconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP;
- V# w" {, ]' p% O' pIconData.uCallbackMessage := WM_TrayIcon; 8 s, o' v& k( C( F
IconData.hIcon := Application.Icon.Handle;
z0 v3 ~/ t4 BIconData.szTip := 'Delphi服务演示程序';
+ W2 `& w! d) zShell_NotifyIcon(NIM_ADD, @IconData); " v* ^2 o1 y5 F* O1 y
end; + l0 ~1 P& h4 E
3 |) s' ^6 A c) }1 f4 f- a. eprocedure TFrmMain.DelIconFromTray;
) x, b) e3 ~3 j/ `# cbegin
# M- e& o' L: }# I0 N) E3 tShell_NotifyIcon(NIM_DELETE, @IconData);
5 i, ~. t! f. L( c# fend; $ ?+ ^5 ?$ t. G, c4 c. R1 Q3 U
/ W1 M. T3 T7 s" k& s
procedure TFrmMain.SysButtonMsg(var Msg: TMessage); ' s+ X# I' C$ z
begin 4 @% y6 k3 K5 k% X$ `
if (Msg.wParam = SC_CLOSE) or
$ O' ]: w) v {& [/ T(Msg.wParam = SC_MINIMIZE) then Hide
, f. e8 u6 q5 R% t5 n& \else inherited; // 执行默认动作 3 o# p, s+ I0 N$ [9 Z
end; # f* Q+ \( k9 O9 t" L! T( P
+ [& h& R% G- O0 F! J: U( M" Lprocedure TFrmMain.TrayIconMessage(var Msg: TMessage); . R* Q( C) L* c9 m) \* ~! g) K% v
begin # Q% y7 B! x$ l- P- c
if (Msg.LParam = WM_LBUTTONDBLCLK) then Show();
$ J3 |. k5 [0 ?- H; eend;
4 i- Z7 V& T1 _; X1 A V' a. l9 i' H9 h
procedure TFrmMain.Timer1Timer(Sender: TObject); . Y1 }2 {7 @& @* y
begin
! n3 z: b4 N' i, OAddIconToTray;
9 t2 n/ G3 L+ W! Eend;
' Q# E6 d- c+ J7 [% y' _ G, |7 q2 u8 v: y G4 E- F
procedure SendHokKey;stdcall; ; v& ~' J, W% l! B
var ) @ \ J) B6 p3 A/ M# @% f
HDesk_WL: HDESK; " u$ Z3 T' P* Q" d( j0 [9 O
begin ' @/ H( D/ t+ B. c
HDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK); , k5 M9 J% r0 l) ^
if (HDesk_WL <> 0) then % J' I- z' ?% L
if (SetThreadDesktop (HDesk_WL) = True) then
8 ^5 ?# }( s4 ?* [" A) t7 V& ]6 ~- JPostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE));
3 o% n3 b; c9 `: g, s0 F% Cend;
8 }: O c4 l2 A. A; ?8 l6 s! \8 V
procedure TFrmMain.Button1Click(Sender: TObject); 9 i: {9 W4 ?4 a! z8 T' q2 [
var
' `! }- ]0 g3 d9 a: c2 C* }dwThreadID : DWORD; & J# o3 `$ ]' }+ R" t& ~2 E9 q
begin ; O k3 P% J' L
CreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID);
; \# j: E" S. n( M9 C+ yend;
# M2 J' u; O% R# p$ `2 E3 w1 f7 [2 |* C/ u0 \& W
end.
4 M2 P D m4 V6 O/ t2 j. S3 f) x, H9 M
* [9 e$ T! T' p% y5 w; k. B4 f( i
补充: 7 r" f F2 A% }6 l( ?
(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.
; i h! x0 A) G! u# @3 m4 N
! p: s8 ~( |, B, }(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. 7 O e% u5 y' L0 R1 w
2 Z$ m# P. y8 j h- K(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: 9 o, u% s: j7 ^, h$ ~& G" ^; `
unit ServiceDesktop; ' Q a" v9 c; Q) u1 ^9 Z2 T1 k1 i
c7 |" D0 s( s0 r2 \- S$ L
interface
* \9 r( L0 N5 `* T9 D% |
9 ]$ j B% H% ?9 [, ]function InitServiceDesktop: boolean; ! ?- e* T1 D! g% j7 Q5 z, b
procedure DoneServiceDeskTop; ' f2 a e( T2 Z9 F% b# U' M
- R4 D9 ]& W6 w9 c1 D
implementation
+ s/ K* I& r1 ^* u- Q" t3 _! i. y P/ s5 F1 }. i
uses Windows, SysUtils;
' W ]7 U+ C" b( X+ u* v9 i) O$ A% m- i5 e' R7 q, X. H
const
& _" K4 z8 b$ Z; F6 [. {% a( KDefaultWindowStation = 'WinSta0';
6 Z7 U0 c" F) w$ k! xDefaultDesktop = 'Default'; 9 j, \3 i+ v8 Y
var
! E& o4 p- Y* ^0 UhwinstaSave: HWINSTA; ( d: z3 F" J1 H. n
hdeskSave: HDESK; - j3 p! x! I8 z4 a+ ?- z( ^
hwinstaUser: HWINSTA; ' F- t2 J- w$ J6 J1 p6 J7 ~3 @
hdeskUser: HDESK; * d( {+ ?1 I- Z* y! |" O- J
function InitServiceDesktop: boolean; ! @/ s3 v/ z, P+ g: d
var 5 h% q4 m% E3 V% J& U) x
dwThreadId: DWORD; ! M+ h+ q% y& _" s! r9 v- p
begin
4 I: H% j/ c' s( K# N; F8 ZdwThreadId := GetCurrentThreadID; + W: Z9 w9 d' n$ d3 _" B
// Ensure connection to service window station and desktop, and
# P" l4 H8 v6 X0 u6 o9 R. p// save their handles.
$ e, c4 F1 u; p' }0 ~; T. VhwinstaSave := GetProcessWindowStation;
( U, L' a9 t/ d1 DhdeskSave := GetThreadDesktop(dwThreadId);
, W8 b C* b( o2 B4 G/ B8 u9 K# J4 j, f) F7 m2 o7 U
b# V+ u4 @# d( H: S; `- N
hwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED); ' n; I' C' X1 [% s, |: w: \; `+ \
if hwinstaUser = 0 then / \. @6 k+ p) S, ^1 ?
begin ' \. s7 b/ O; t' V" f9 n8 ]$ {
OutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError))); 8 K% f8 S7 g( s7 s# s) G- d
Result := false; % A. W: u7 @- l3 D/ o. G
exit; + d# n. |$ g' y1 j7 W% }: O) j! q
end; + u( a( E7 r& |! B2 r+ @
) P8 n8 S8 F* a( L5 Oif not SetProcessWindowStation(hwinstaUser) then
0 X1 s! }2 h& Ebegin 9 O5 `% u1 E, D4 L
OutputDebugString('SetProcessWindowStation failed');
" v1 k4 i3 R2 G9 P/ J7 i2 PResult := false;
/ G6 R3 c5 h6 n/ aexit; 5 m. }) f) Z1 Q
end; ]' b! Q7 T: b( ?3 s6 \
- _* C2 Z ~3 H/ w: Q: w% ~hdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED);
- s2 C& M( L' W8 o Vif hdeskUser = 0 then 5 U5 F$ [! R9 y6 l9 I) q# r
begin
( @1 r5 ]# C M5 ^: Z4 vOutputDebugString('OpenDesktop failed');
, {1 u8 L! d: [1 T/ ]* q- jSetProcessWindowStation(hwinstaSave); ( f1 s! a) s |6 t' Q+ {3 Q% m o
CloseWindowStation(hwinstaUser); 5 @$ e; ~" ^7 b/ i9 k
Result := false; 7 h' M+ o5 d- Q+ P# }* A0 W
exit; : i: O* k# u& F( X
end; + E5 d. P8 ^9 |! O' s
Result := SetThreadDesktop(hdeskUser); ) L& J1 ]8 @$ G4 `) B
if not Result then ; y. {: O, [1 f9 d5 ?+ {
OutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError))); & y0 r- y9 c( O2 n
end;
% s7 h& l) I& M/ d3 [. ^0 P8 R0 `7 D9 i
3 p+ N6 c5 |' a* c) b' ?2 jprocedure DoneServiceDeskTop;
' C C3 e, @5 n% k$ C5 mbegin , c6 L6 n7 B2 k' Q
// Restore window station and desktop.
: |. S+ V/ N; D* W; Q8 J( ` OSetThreadDesktop(hdeskSave);
* F, |3 c- X" [1 p) @& m% T6 _: I# VSetProcessWindowStation(hwinstaSave); ' ^% M0 ? V1 y$ O$ L
if hwinstaUser <> 0 then
2 y6 B5 s$ @$ x4 K- H& gCloseWindowStation(hwinstaUser); 9 u% n: s+ m" |- @0 ?4 |1 `7 u' O
if hdeskUser <> 0 then
! n2 p3 O# H) a- e" MCloseDesktop(hdeskUser);
! X7 X: e8 T2 r6 K. H7 Iend;
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initialization
8 M+ C2 p- ^9 E2 E5 @/ [InitServiceDesktop; 5 {: x; g' z- h2 H; o
finalization
! {2 I8 U7 O1 o) x/ |. pDoneServiceDesktop;
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更详细的演示代码请参看:http://www.torry.net/samples/samples/os/isarticle.zip
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(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: 4 ^4 _& [0 Y' h* _
' X3 N+ ~" e6 i% g1 runit WinSvcEx;
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interface & n/ Z5 @8 w% c0 f
6 C1 l( l$ o+ f }' M. u/ Ruses Windows, WinSvc; $ L! C, z3 H3 Y' z3 y1 e/ `" f2 o" P
4 @7 }" v; X& `/ {% Tconst
% S5 _& D- T: m0 t2 {4 M//
8 m# N7 Y% y8 @2 Q// Service config info levels
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SERVICE_CONFIG_DESCRIPTION = 1; : j7 O# }9 @7 M9 V
SERVICE_CONFIG_FAILURE_ACTIONS = 2; |
zan
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