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我的地盘我做主
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(1)不用登陆进系统即可运行.
: F% G" \4 E4 ~5 V" n# H& 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.
& F( C; d" o7 B9 o) ]/ K
9 l. P1 }, O: d1 y' c 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.
1 {) H) A/ @# w8 k 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:
H3 ?3 P* I" Q& H5 F2 h1 d- z* m1 o5 x1 r& E
(1)DisplayName:服务的显示名称
; T; `& n0 z1 s0 l/ b2 \ (2)Name:服务名称.
) G9 T2 [9 w9 G
, K4 G6 J$ C ? o4 H9 \0 ^6 C 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.
1 C& A* b2 {) b9 s/ `. }4 D" C4 }0 {" T: V
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.
% i6 a) p8 ?2 ? M9 n0 F2 i' B$ J) n
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. 0 G ]+ y, Q/ ?$ f( Y
& H- P4 C$ }6 A. |
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:
* K- }7 ]0 a- @; D/ P% B* v
( E3 g5 t" @, `0 a. ]8 z. l# G5 b8 O6 U b9 Q B5 r* u3 T2 A
unit Unit_Main; 7 y% L4 f, K) r- N( m. R* x3 V
4 o* L0 C1 r- q2 V) x
interface / i2 J) n2 `/ e% u* N
2 s3 b. ^/ L# A# _8 kuses 3 {% n( J% \! l- \& z) m& c1 c8 X
Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain;
6 Y/ @6 g( f- k( h/ _0 e1 H X: L5 }
. N. |, T+ ]! Y3 |) Q2 ?8 Xtype
! b4 W9 q2 z5 o- Q0 I* MTDelphiService = class(TService) + p; \) Y4 S; x" J! g
procedure ServiceContinue(Sender: TService; var Continued: Boolean); : v6 J$ B& s* [
procedure ServiceExecute(Sender: TService);
$ s3 o6 q/ Y: ^5 |- tprocedure ServicePause(Sender: TService; var Paused: Boolean);
$ N# ~! G) d% y3 B3 Y6 P6 nprocedure ServiceShutdown(Sender: TService); ' T: K( ?6 M; g, ^; H! @
procedure ServiceStart(Sender: TService; var Started: Boolean); . K5 }$ X* M; C' S; C9 R8 |
procedure ServiceStop(Sender: TService; var Stopped: Boolean);
: l! d- p" [& Nprivate 4 L* G$ ~# {/ N7 o7 U( l; N
{ Private declarations }
0 p \2 @/ V( J! Spublic ( d/ n* s$ _5 O% \ I' R; z
function GetServiceController: TServiceController; override;
: x7 M3 o" E9 x+ E; E# x! o. a{ Public declarations }
! t y/ j3 y, Wend;
# P; H0 A5 M5 K0 ^5 `$ J- n4 b
% u6 t- L1 [$ c8 y! Tvar 6 }' F3 P- ]0 M: G" u6 F) p
DelphiService: TDelphiService;
6 ?" s, G3 m8 W! L8 T- g5 dFrmMain: TFrmMain;
# |* E, [; ]( o- x$ g3 aimplementation 4 o5 b9 G1 ?+ A7 B! B$ ^5 D4 t) I
( {- \0 m& V2 D{$R *.DFM}
. u3 u _! ?! @% B3 T% o
1 E3 w9 j5 }. F* K* H) o* Hprocedure ServiceController(CtrlCode: DWord); stdcall; ) p4 ^7 U5 N8 Z5 C5 D
begin
; O$ ?; s7 t8 S! G- A9 N: j4 _+ ^DelphiService.Controller(CtrlCode); 8 b: _& H. n) U, `- M5 z( q, y, N8 F
end;
9 V8 U4 F( n9 _ M# _. x2 S1 C. J' V9 M, K8 g
function TDelphiService.GetServiceController: TServiceController; 0 ]2 |4 b/ k1 Y" O8 ^
begin
/ B }4 C7 n' S6 O" rResult := ServiceController;
, ?( L+ o5 |0 z8 G+ {8 Z! Jend;
/ e6 s& X# `3 `% l4 M
a2 _% G) ~0 G: c, \8 [) A) N7 Xprocedure TDelphiService.ServiceContinue(Sender: TService; 9 P& g' a+ ~" S4 F# ^* m) s! |8 X
var Continued: Boolean);
$ c; ^/ s9 x6 p. ~' ]. W1 pbegin
: n3 A6 ^3 _( Gwhile not Terminated do
; u: h* C2 R; f q% q/ Zbegin . {1 M- q* g7 g& o
Sleep(10); $ ?* B& G7 a- |* \9 `4 ~
ServiceThread.ProcessRequests(False); 4 I3 }2 J9 E2 B; f
end;
0 h, [0 L" D1 B: yend;
1 W: s5 F9 G# o/ p2 S: ~$ ~6 Z6 A- A) e3 d7 T6 k
procedure TDelphiService.ServiceExecute(Sender: TService); $ T9 Y" {6 B% d( [
begin 9 `* x/ H' g/ s( F4 c6 W7 z
while not Terminated do 5 I! F" A: R7 h$ E, b n( Q' u v
begin
) M3 `( ?2 Y8 s, D! `) o; g8 bSleep(10); & K, D2 ]- r# `
ServiceThread.ProcessRequests(False); # {# m% |/ s, [9 t
end; ) f* l- i( E, ?2 P! T
end;
p: l/ \2 ^& p9 S) U/ ], E( a7 |
' r, T& F& t2 N; z% y% v- Rprocedure TDelphiService.ServicePause(Sender: TService; . H' q- N! N. }) B! a i
var Paused: Boolean);
' e/ x5 P, {1 m6 t8 i. dbegin
4 E$ c* K# w. b, C. @3 X XPaused := True;
; e% y- C _+ send;
2 \8 i. e8 o X( O) R; r3 _) ^ _' X5 x
procedure TDelphiService.ServiceShutdown(Sender: TService);
4 |; }/ D1 D3 v$ Z0 m! p1 Ybegin
- T3 E2 p e1 m$ q- FgbCanClose := true; , V8 n4 T1 J# T
FrmMain.Free; ( ~5 l! O) U1 X/ b
Status := csStopped;
b/ G* v( U( vReportStatus(); 4 W* x6 H' M, o# o8 [5 B; T
end;
5 q& P W) ]5 Y, ]0 O% T* e( F O- j5 x# e* ]
procedure TDelphiService.ServiceStart(Sender: TService; . R/ z1 M/ _7 r4 G9 H
var Started: Boolean);
6 f3 O+ H' {( x1 u! Vbegin
* C7 J( Y9 ~$ w. d% w+ rStarted := True; : R! h* x$ D0 K! y- ]8 `$ D% r
Svcmgr.Application.CreateForm(TFrmMain, FrmMain); + J& L u2 q- N0 Q$ T2 ^
gbCanClose := False; 0 ?- S, z* ^2 Z1 n
FrmMain.Hide; ' T1 A" ]8 N, v* t' d
end; # [5 ?& m7 S m G; l
, b1 c& C6 g, ^6 J7 U( Y& l8 S
procedure TDelphiService.ServiceStop(Sender: TService;
6 [. U% f, s2 L3 D! ~var Stopped: Boolean);
! U Q) B, X/ ubegin
3 l: k! h* B7 Y$ W% ]5 LStopped := True;
8 X( b5 a5 K, U6 F) kgbCanClose := True; ! M5 V9 [( ]3 T& ^" L" G) a
FrmMain.Free; , I, B: h1 N5 k% a; N
end; + v! n- Z( ?, U) l& h) q' F
" y& j4 x8 y* A' m
end.
* T: b. |; ^+ Z3 |! m$ s8 I
! I& w4 E5 g" G8 _/ r7 m* |% r5 Q2 r/ d% P6 E# L) C+ q: r
主窗口单元如下:
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unit Unit_FrmMain;
6 {% ?5 ^5 |9 Z* M) P
$ o; M6 U+ g4 _( v1 minterface
* q# h5 \, }$ Y- O/ A% `& x5 u; j5 e# L! X( K0 H/ o& r
uses
6 f/ {/ `* O! J0 |9 [* hWindows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms, ' ]' @& h# P: _% y/ t8 T
Dialogs, ExtCtrls, StdCtrls; 1 e7 ^, P9 C8 ?- O# e: U) [
$ [' K' V" R' c; Kconst
. D: Q7 [. Y) l- kWM_TrayIcon = WM_USER + 1234;
0 u% i; e# r% ntype 1 `; Q5 _; T) Z) Q: n
TFrmMain = class(TForm)
6 e2 H5 [0 {3 s5 dTimer1: TTimer;
& q# d! f+ S4 s/ V7 u6 B! GButton1: TButton; ( Z2 Z! f' `: c! g
procedure FormCreate(Sender: TObject);
; i6 Q8 ]+ w4 ]5 mprocedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
8 F! f! p1 U3 ^# kprocedure FormDestroy(Sender: TObject); 4 ]2 O4 J J$ U* O6 {6 E5 {
procedure Timer1Timer(Sender: TObject); 0 O' z8 |; [( ` o9 _; t+ z; s7 P
procedure Button1Click(Sender: TObject); ' F3 c7 n3 R! W! \, t; ?( u; p) ~
private ) J$ p; j: b* k% i: ^2 W0 F9 ~
{ Private declarations } 7 E6 {! ^' I( B+ H. ~
IconData: TNotifyIconData; * O: \" y# x3 t6 n
procedure AddIconToTray;
: a- l8 `: u- z5 Q, dprocedure DelIconFromTray; # z' F/ X$ {/ i4 g _) I( b
procedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon; 8 n7 k$ E" y6 d- X/ n
procedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND;
" V e4 y' D1 p7 U8 A5 y! v! Upublic 9 }0 D8 x/ ?1 \2 I" n, j0 f
{ Public declarations }
' g9 E/ J0 P: Z% Z; E3 eend;
" A, j0 [ b f2 X; c- Y8 n' m( o. f0 z0 e) y
var
- G3 }, x( X3 w, b7 j9 |$ [FrmMain: TFrmMain;
5 Y3 V2 S/ s5 F: F Z" YgbCanClose: Boolean;
" S: V9 C2 O9 H2 f: uimplementation
0 j% v/ ^. d" ~& j1 }% v6 u/ U; g: D/ E h" e4 L2 f
{$R *.dfm}
% ^1 j* l8 ?! T) d2 k" T# B0 d
2 ^) a- ]0 B7 s1 f% w- f/ mprocedure TFrmMain.FormCreate(Sender: TObject);
' y+ p. Q$ }# M5 {( lbegin 4 t5 W- h/ B4 {9 ]+ D$ r6 j3 p# M
FormStyle := fsStayOnTop; , J9 e8 v: b! r# e& L3 \8 V; W
SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
& @, A* Q8 W6 F% \, ugbCanClose := False;
% ]$ Z& @& _# S$ u! J( R9 ]& D. iTimer1.Interval := 1000;
- ?- x/ y* G$ t' x0 UTimer1.Enabled := True;
. w2 w1 V9 v: ?+ n- ]end;
8 C0 X, t% q8 N4 x+ m3 C O& K' ^
procedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
' O+ D) j2 P4 c8 E( Y; F9 q/ e% T6 Tbegin
8 I2 D. I; ]1 h. X% wCanClose := gbCanClose;
/ U- I2 R, D/ W7 P( @) {if not CanClose then
; q/ P9 i# y1 i/ n! C# H( Tbegin
$ f: r( }" F4 E) N) q+ kHide; 7 \5 \+ o3 L2 B1 A4 F
end; - ^5 F$ T. W' j5 D x
end;
u: r, L! K6 g/ O8 F" e J) W- E! Y" w5 j% z$ }* C
procedure TFrmMain.FormDestroy(Sender: TObject);
/ O4 W- J* ]& J2 D: q8 Abegin / v5 O( ?! g* O
Timer1.Enabled := False;
; c: W5 J0 ~" S! I& zDelIconFromTray;
; w+ f w) l% [% Lend;
5 M$ L( x, X7 V& o6 Q. V" Z. M7 L/ W6 C7 K M# {1 i' f
procedure TFrmMain.AddIconToTray;
& z; A/ u/ [8 Z4 F0 p, s$ b. Mbegin
~1 f7 j. }9 l1 U8 ~& MZeroMemory(@IconData, SizeOf(TNotifyIconData)); 1 x8 p) @( r# N9 X0 R
IconData.cbSize := SizeOf(TNotifyIconData);
U A- Q) A% c8 w+ F& I" q' }7 rIconData.Wnd := Handle;
6 a% o# c, u' M5 AIconData.uID := 1; $ o/ m8 t- a. u! _5 V
IconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP;
5 G# w. z6 A9 v' n9 EIconData.uCallbackMessage := WM_TrayIcon; 9 M* K" A* U+ E3 |; N
IconData.hIcon := Application.Icon.Handle;
) C! j+ C; z# C7 A- XIconData.szTip := 'Delphi服务演示程序'; 9 P( H4 t2 g# e( O
Shell_NotifyIcon(NIM_ADD, @IconData); 4 ^% \/ G8 g! @% H0 ?
end;
0 a. c ]6 e* s
0 Z4 @/ W" k% _2 mprocedure TFrmMain.DelIconFromTray;
% Z; O6 G7 ^& Obegin
* O# d% ?. Y& W' w2 }* kShell_NotifyIcon(NIM_DELETE, @IconData);
- O3 Z! T& v3 @1 p- {end; ' F5 I" e) y- m! D' m9 S
( l4 X& w1 z& p/ B# _
procedure TFrmMain.SysButtonMsg(var Msg: TMessage);
$ p1 q3 e6 F% Ubegin
" q1 [0 n7 o4 ?. ^' J) G9 Mif (Msg.wParam = SC_CLOSE) or
: G3 r7 g- [; z(Msg.wParam = SC_MINIMIZE) then Hide
9 @3 F, X5 d; ^7 gelse inherited; // 执行默认动作
$ L: @/ g/ _' ?end;
7 g% ?; l1 d; V2 P3 B( A6 a& H s3 T0 c2 V4 m
procedure TFrmMain.TrayIconMessage(var Msg: TMessage); ( P; m9 [; h$ h2 G- I: h, a. ^" f
begin
, B; Q7 I: A) [& xif (Msg.LParam = WM_LBUTTONDBLCLK) then Show(); * X" L& U, ]2 q4 r5 V
end;
1 f9 @' x- N- f) @( y
# x$ r& \$ S1 a8 r7 e& O/ o7 D6 G5 eprocedure TFrmMain.Timer1Timer(Sender: TObject);
' t: m- A1 [4 ]( N! Bbegin
1 g& L7 a) [) _$ ^7 Z' J, J+ F5 w5 UAddIconToTray; # @5 G; v: U- V; F$ ~
end;
) {1 A+ Y5 l8 u W6 h- |# X' b- P5 q3 s2 ~6 \$ {8 o/ c, u
procedure SendHokKey;stdcall; 9 b5 B- u# R# F* a9 _. F
var C5 ~; S9 P2 x" Z2 x# _' u
HDesk_WL: HDESK; 0 g0 K0 n. C( x- a# z, e# |$ r
begin
8 O- V' ]1 j" p! s5 ZHDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK);
$ I3 Y) J6 i/ M# r& u, {' }% `9 Vif (HDesk_WL <> 0) then
2 c3 U1 c; p2 C& v- h( Eif (SetThreadDesktop (HDesk_WL) = True) then 3 [* t( i$ E' L3 |7 L5 Q, l5 |5 [
PostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE)); & ?* q( A5 @% j0 D
end; & v; j: U v% `, f: l% Z# E
( W2 l5 {/ F+ l6 S, W/ g7 rprocedure TFrmMain.Button1Click(Sender: TObject); / J1 i" v! q7 M2 {
var
. z$ m3 @$ B9 T7 _; `dwThreadID : DWORD;
% f, m0 C: Q, ~+ a' ]begin * r/ l, S; f8 c4 F' ?" v; q
CreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID); / Q2 |$ @$ f' G8 o, n* g
end;
3 Y) X w0 g5 {9 d
! k- W7 }. m, J, z4 Q5 Tend. 6 E1 y( S N4 T3 d
' k0 l S, _3 P/ y0 P3 ]
. Y& T U5 ]' z' @& q; O$ e补充:
* P. k! ^# c5 M) G4 B(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.
* z4 r5 y) ^+ M% W7 ?! b% z5 c/ ^/ j, U* v
(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.
- x& w2 o8 T) C/ t, v
6 T [7 Y0 x, j4 o _(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: ( t, n* @$ N2 w: q% ^/ }0 A, r
unit ServiceDesktop; % t4 E4 |: ^; h
% s; B- }" P' W; ]) h
interface
! v6 W# P( l: e0 d0 _' h* G% }
" |; |+ A' A/ Lfunction InitServiceDesktop: boolean; ( V5 p1 y! Q3 z7 `7 [; b0 N" O
procedure DoneServiceDeskTop;
0 k0 [+ g7 X& J- h# i" ~* ]% Q& x- X( _2 Y& N
implementation ; P# d" K3 b- l
2 w9 z0 n, _: v9 E% e! nuses Windows, SysUtils; 3 d- G+ z& Y& O8 V* ~. s
; V/ f% F9 c6 K5 q- o
const
( }" O3 p; O+ EDefaultWindowStation = 'WinSta0';
$ `. I- R3 K8 q" T' WDefaultDesktop = 'Default';
% Z$ d* U0 N5 D9 ~ ]: V$ r. Nvar
1 X d7 E0 e! I# o& `) R4 D0 ~' xhwinstaSave: HWINSTA;
1 p; [ \- ? G6 W% a# Y# K% ehdeskSave: HDESK;
7 J) O$ Q; B& E# t, \/ T yhwinstaUser: HWINSTA; 1 e. _0 }& _! d( \- n J
hdeskUser: HDESK; ; H% R l( a8 U6 u1 @
function InitServiceDesktop: boolean; 1 K6 {$ I- X( e
var
; C* E+ h) h( x+ u( hdwThreadId: DWORD;
7 s# _; C) ^' i) M9 ^; {; Obegin
2 W6 Q5 G8 ?) O1 c! T; ?( F* adwThreadId := GetCurrentThreadID; + L0 t: |$ K* q
// Ensure connection to service window station and desktop, and
0 {. @0 U' t/ O8 Y9 r4 Z// save their handles. % ` S( F1 v9 a' n5 n: _/ R
hwinstaSave := GetProcessWindowStation; + |! ^! C: o: o \$ l3 |
hdeskSave := GetThreadDesktop(dwThreadId);
% v: t* J5 v6 l2 \2 Y% e( V% L5 q3 x! u8 {& W8 f/ n
% U; \3 \6 Y a5 E2 p, l
hwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED); 6 C, Z( m ]1 a& B( v w
if hwinstaUser = 0 then ) w- @& F7 a8 g1 t5 M
begin
6 g& h3 G" h8 P0 f/ o. bOutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError)));
( Y7 T9 U1 v' L( ?( WResult := false; 2 i0 V$ Z2 I& C$ W
exit;
0 i. D5 J; s; d& R1 K8 e4 w) rend; $ ~/ g% h; }3 f# Z
! N( g7 R) b8 ]5 F0 D, _ tif not SetProcessWindowStation(hwinstaUser) then 0 c$ g1 n9 {( q; m
begin
, T- K; I- n: F; J o- a9 vOutputDebugString('SetProcessWindowStation failed'); 1 c" o: ^& }) \1 U# I$ R) w
Result := false; J. w& q1 K+ S+ J6 f
exit;
. t7 o6 d: W( u9 W; ]( Gend; * x5 x2 R1 H! a- n" e" {% w
& Y; i6 @ f1 [$ s! p" G( n* K0 T- e
hdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED); ; p1 F* W4 r4 F" Q
if hdeskUser = 0 then
+ e) T% k8 c$ {+ H9 E. L+ o+ Zbegin ( X- V% W( U# ^/ b+ n ~5 L/ Q P8 D
OutputDebugString('OpenDesktop failed'); , f, T# L7 _, {' q
SetProcessWindowStation(hwinstaSave);
8 R R% \, c5 |' UCloseWindowStation(hwinstaUser);
. H \: X- s" j) H* XResult := false; ! y1 x( _- L5 Y/ i1 w; V9 M; q n
exit;
. w7 X7 i0 g) [* z8 I2 gend;
/ P4 A* g% x' W7 gResult := SetThreadDesktop(hdeskUser);
7 |# `0 I* Y) ~( d1 k5 G& I, cif not Result then ' s* F3 n5 D8 v$ V# k a
OutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError)));
: \9 C+ h! K7 f4 f# ^: uend; : _" K0 T Z# \7 P
% h6 d4 \; S( Z- Y
procedure DoneServiceDeskTop;
& c9 F# E) Q) ibegin % r5 D- Y; l% m B8 l
// Restore window station and desktop.
! T( i, b9 f; g8 P1 m% {" @+ vSetThreadDesktop(hdeskSave); ; p. N8 E; Y2 v
SetProcessWindowStation(hwinstaSave);
: A3 h, M) Q2 g3 Z" U) o% _if hwinstaUser <> 0 then ; a- p1 |; t% \6 t
CloseWindowStation(hwinstaUser); 2 G x0 ?2 v' f8 Z
if hdeskUser <> 0 then 9 e% ]; G ^+ V6 o/ g( n7 R+ Q
CloseDesktop(hdeskUser); : F, ^3 F1 O$ C1 \1 u3 p
end; 9 w8 k$ {& q- v2 a; s* O" u
) W1 C+ `+ L/ g) R
initialization
_4 j. c& e4 X9 ^& yInitServiceDesktop;
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DoneServiceDesktop;
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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: 8 O$ Y7 h/ {% @) {2 C
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unit WinSvcEx; ) e# K7 q" i6 T- P; w5 \
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interface
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9 Z3 p% m! o fuses Windows, WinSvc; ) x: J' [4 O3 t
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//
/ y! ]; u9 R: J( x" L& t! h/ i9 }// Service config info levels
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SERVICE_CONFIG_DESCRIPTION = 1; 4 w) P6 V8 k( l2 j# r1 f
SERVICE_CONFIG_FAILURE_ACTIONS = 2; |
zan
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