- 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. 6 \* n1 Y/ |+ L) u0 G5 M
(2)具有SYSTEM特权.所以你在进程管理器里面是无法结束它的.
3 v) e5 V5 ~# O$ `' v: u9 ~ m, ^4 a- ]4 t+ h
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. + M1 |, c6 Y/ 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:
/ ]- [5 Z* @: F; z r6 s4 Q1 q5 S q- c2 ~* W
(1)DisplayName:服务的显示名称
. n8 D/ R% v5 \" x/ l (2)Name:服务名称.
% A4 n' V# _$ Q8 n, R
2 w; a! T, A. D 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. ' S3 r- G; d# J, c7 T9 g
: t* B7 M) Z% ]/ _. ~' k: @. Q1 c 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. $ C; R' ^' q9 t+ Q0 d- U
$ q+ d9 }/ o8 O+ \7 q/ w$ z 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. : z/ `# `5 Z5 z" n) d+ i
. Y! V6 S# i1 t: C- q
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: 4 c5 @- n9 w! s. l
" {9 ] r% u' B/ W2 H: o' Q
8 ~8 `$ s4 D, G8 u" {- N# T
unit Unit_Main;
8 X4 Q" z8 v- Z. `5 {* J- t6 P j; y3 N7 A$ Y; R
interface
# n& E; I. |* u) |8 T# Q; K0 c3 y- u6 I: F6 Z' y2 E, c
uses ' l0 I/ f! q/ T0 }
Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain;
" L" M3 X6 B! Y% S* R% p( F t
% J+ s0 Y" M0 H) ktype
! l, r( V$ L# n6 e J$ GTDelphiService = class(TService) & O! Z7 @+ _' G9 M& n9 d# _( U% D0 G
procedure ServiceContinue(Sender: TService; var Continued: Boolean);
& Z8 B+ n$ ~3 Y' S8 uprocedure ServiceExecute(Sender: TService); $ s" @4 T$ n& E" ]( i
procedure ServicePause(Sender: TService; var Paused: Boolean); : D0 W0 U3 j, c0 D" k# B; R; k
procedure ServiceShutdown(Sender: TService); ; k4 c* T5 m' ^& Q g6 }8 J
procedure ServiceStart(Sender: TService; var Started: Boolean);
% R+ r, N2 I! x. Z/ r t3 Sprocedure ServiceStop(Sender: TService; var Stopped: Boolean);
5 x0 J: B, q F& D1 a# lprivate 1 d7 M, c- A q3 Z# b5 S0 {& o
{ Private declarations } - p9 i% s+ t. t$ `8 l
public
$ A; r5 K1 O$ a0 S( k9 Pfunction GetServiceController: TServiceController; override;
# M% `* p2 ]8 T5 A& K: V1 j{ Public declarations }
3 o/ ~. G$ @" I# c1 I" Iend;
) h2 V; ]( P. F( J. ^2 R7 M& B' L, Y# g$ c: Y/ G% ]
var # Q' H* d# W: u1 ^# H7 `
DelphiService: TDelphiService; 2 U; o$ S- Q3 X5 ~
FrmMain: TFrmMain; S+ a4 m1 [$ Y9 l
implementation
) }# H9 e0 ?1 r3 m9 E: ^! s" }
/ f# Q, h; ~8 V+ `1 u% D{$R *.DFM} 0 L; m" C" U1 Q8 L. b& z1 T
0 x, e3 k2 `' E8 v; Vprocedure ServiceController(CtrlCode: DWord); stdcall; & t" e& X( \: Y
begin 7 w/ j, m8 c3 r3 \
DelphiService.Controller(CtrlCode); & i) |/ E" q1 n/ ]
end;
$ ~$ Q6 M( A6 r3 A; i+ E1 v1 u W/ K! M4 F) O4 d, s2 h) H
function TDelphiService.GetServiceController: TServiceController; 3 [ T7 N. Q# x9 n% ~
begin % s G6 l- Y3 K ]
Result := ServiceController; 2 F8 J; W1 ^" E+ V! h0 D
end;
) P; K5 {. @/ v3 E4 B# K( B
# a- ?8 M& T3 ~! n6 {procedure TDelphiService.ServiceContinue(Sender: TService;
9 ]0 D t7 z @( g# K6 P' j Ovar Continued: Boolean); , K: o6 _2 t: r _0 O
begin 7 w0 B Y- H& D
while not Terminated do
" j3 }4 K6 x/ r4 O' S/ @2 Nbegin / L1 S$ B$ w% \4 a
Sleep(10); - R# K; ~1 U. Z5 e$ v q
ServiceThread.ProcessRequests(False);
+ V w7 \) W: S( Z {+ h2 Lend;
8 W1 o, v: h+ ?end;
4 V) G- `1 w7 D7 _! O
4 ^5 d J- M) {# h. J4 ^procedure TDelphiService.ServiceExecute(Sender: TService); 1 ~; {3 _, a3 R/ u4 \2 h
begin
5 ]# [ J- O3 j5 D2 e/ @while not Terminated do
2 b. I( B3 `& {3 K3 zbegin
9 V0 o6 \) [- ~" u1 c. pSleep(10); + {* N- [* L/ M% E, C- z
ServiceThread.ProcessRequests(False);
- y% @# m, f5 ^5 i+ O9 F+ {# lend;
% G7 h/ S( W$ Lend; 0 E/ G, Y6 j' A! }2 G
0 I1 M& I* x7 D8 }4 q
procedure TDelphiService.ServicePause(Sender: TService; ' t% b; E" L0 K. V! q: G3 e
var Paused: Boolean); 6 C: Z# m$ z) F; G* L9 W2 i6 p
begin
# ]. g( l% j; Y- h3 tPaused := True; ) a. v( M' j# X% z
end; 6 F" P3 O9 v! C2 U
" z5 q3 J( \; U4 Gprocedure TDelphiService.ServiceShutdown(Sender: TService); 7 K# e: N" E# q- }8 H8 S* G6 Q9 a0 ]
begin
/ z! n. V H, r6 ygbCanClose := true;
1 i" X2 E! n7 S0 qFrmMain.Free; 2 }$ ]4 s1 O1 ]/ S5 M9 y: i
Status := csStopped; - H* _+ N8 u2 b- `
ReportStatus();
, m# I: k7 Q# ^ J1 n3 j. A. q* Gend;
0 P2 `/ @4 S) o" D" {0 s: j
6 n; B3 V' n! _' {$ [/ z! [procedure TDelphiService.ServiceStart(Sender: TService;
) Q" ]0 C1 b7 qvar Started: Boolean); 8 L$ [ C) j! Q6 P( F3 W! ?* l
begin
, U y9 B! o2 p' |5 JStarted := True;
( B# W7 ?+ j4 L$ k7 ~" xSvcmgr.Application.CreateForm(TFrmMain, FrmMain); ' [. G( v( `9 X: q
gbCanClose := False; . L! ~2 v; D7 k
FrmMain.Hide;
! M! {' M' B( d, C" Zend; - G7 ]$ y, e j0 @# k% F0 m' a' |" u
' I& u: U) ?* P$ W: K/ v
procedure TDelphiService.ServiceStop(Sender: TService; 8 u: h& s( t# M0 ^
var Stopped: Boolean); 3 Z3 L( \8 t% [, m; {) _* `& d
begin
4 ~& J9 N: s+ {* AStopped := True;
) Z* \ `$ n0 B5 E5 J8 kgbCanClose := True; , c# P# @7 e, I! \% n4 N, ^
FrmMain.Free; 2 C- K2 u0 H0 L& T1 E7 y
end; . m$ z! h( V c: y
, { Z M5 N% R2 I$ K( z f3 Rend. & V i/ v3 C4 S/ v) T
8 P5 F: g: [* b" L, }0 e) [
) K/ w* |& S# L) q
主窗口单元如下:
/ B/ j* t4 k. D7 ^
6 s P& z3 ?. W" G9 `9 punit Unit_FrmMain; 8 b, ?# Z. k8 w+ v( ?5 Q7 x
& k! k# G" t3 ?: Minterface
; L" u9 W( p4 l3 v3 _/ K9 a8 e8 y2 {; s8 h! N
uses - [7 t. o% o* e h
Windows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms,
5 L# s7 y2 [2 o& F; \, RDialogs, ExtCtrls, StdCtrls;
! d+ W. f9 R4 y) C
N. e9 g* b2 r) w0 G+ c3 cconst }2 w/ q- F2 K+ x& t7 _' U
WM_TrayIcon = WM_USER + 1234;
# L( Z9 B! k' \& `/ l) h5 T3 H( g( Utype
/ ?! U8 f3 ]; r* W3 v7 wTFrmMain = class(TForm) 0 C* v- X& R3 u5 W
Timer1: TTimer; % W# \5 W' v4 c; @/ y
Button1: TButton; , f; y3 R, Z% {. i
procedure FormCreate(Sender: TObject);
$ l x: }8 G Q A1 oprocedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
9 s1 L ?+ [. j2 V7 M, h9 X" F9 \procedure FormDestroy(Sender: TObject); ; {* A; G- t, g$ d
procedure Timer1Timer(Sender: TObject);
2 t: y g2 c* V! i6 Yprocedure Button1Click(Sender: TObject);
8 C- m, V8 p: Y6 J$ vprivate 6 u9 H. O& R* S7 K0 y
{ Private declarations }
9 n `1 c, |* r% y1 ^! h6 tIconData: TNotifyIconData;
& _' t* E6 ?* B, D: Fprocedure AddIconToTray;
" k. \+ I; g2 {/ {( m8 pprocedure DelIconFromTray; / ~& x+ `" l1 o( i
procedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon;
; u1 k0 {- G% V8 k) Rprocedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND; 5 l6 b" \, B* d* n; _6 b
public
8 U: y. }" T" V, g. ~, b/ Y5 b7 g{ Public declarations } ( p ?0 B: A$ N
end;
. e1 I: y6 S# t' h0 p, }; O& a* q
+ W! V2 f) u. S# I' P9 ]1 jvar . I+ R& L% |. ^
FrmMain: TFrmMain; ( m+ K9 C1 g2 W) ]; A- b6 c
gbCanClose: Boolean; 9 H0 s" a6 H& ?3 N- T7 g
implementation 9 Y. |& C. o0 P6 @' t6 [
C+ o7 v) W& n$ g8 R{$R *.dfm}
* C9 }& p# n0 f& F9 R: l9 G
/ I9 n4 d, \& l+ H( t6 ^1 i& d( n/ hprocedure TFrmMain.FormCreate(Sender: TObject); ) a/ I+ ?3 X' B- @0 M! m d8 h2 C
begin " U3 Y! x; W+ k" n/ {
FormStyle := fsStayOnTop;
2 C/ W0 ~8 t" |+ J/ i6 `SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW); 3 m) z$ r J. w- A# }
gbCanClose := False;
" U" |5 Q: _9 `/ e! M8 ^; Q( o& XTimer1.Interval := 1000;
- F% T3 |2 F) }4 ETimer1.Enabled := True;
+ x; g& b; D. Q0 A5 f8 U0 bend;
9 k: F2 J7 C2 V! b5 w6 |# c b
( R6 }- o1 N* n6 D; z" Gprocedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
. |; y! \2 n6 P4 L/ gbegin 8 t6 `9 L- [! {" c( H9 U& ?( e S
CanClose := gbCanClose;
! |. p5 f1 k' C' J! Dif not CanClose then
/ x1 b& O9 z* B7 J7 k2 Ibegin
" ]1 k9 E; ?2 y; I3 B4 w4 Y$ YHide;
9 q- O A* @5 \$ W6 l0 rend;
- M: g# J7 ]0 ^: b5 @end;
. f; r2 _' P3 Q5 j# n
. @; y7 o) S! m+ Gprocedure TFrmMain.FormDestroy(Sender: TObject); 5 B1 f2 v+ h! I* @% ^3 B
begin ) u3 Z1 {* a# l4 M5 _
Timer1.Enabled := False;
) v* C6 R* Y( {, w9 QDelIconFromTray; $ C. L! J7 R# P, Z' |8 Y7 I# L1 J
end; 8 ~0 f2 X3 \! X9 a8 I" g& u
v+ C4 s d) iprocedure TFrmMain.AddIconToTray; 2 q: }. O; \& U4 F3 o
begin
, A. m$ e5 J1 W0 r. GZeroMemory(@IconData, SizeOf(TNotifyIconData)); ( N$ j, a% F: x$ L( w3 T
IconData.cbSize := SizeOf(TNotifyIconData);
/ u: N4 M' l9 b8 K0 s7 tIconData.Wnd := Handle;
. D- _% R+ x: I6 ]IconData.uID := 1; 4 ?; r# H3 ^ o
IconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP; 2 y" |7 N3 {( I
IconData.uCallbackMessage := WM_TrayIcon;
3 v& H# o2 D# T, e' @IconData.hIcon := Application.Icon.Handle; * L) ?. L) ]+ a; g8 a6 j- Y. _" |
IconData.szTip := 'Delphi服务演示程序'; ! _' E! _( @. m( m; G) y8 ~
Shell_NotifyIcon(NIM_ADD, @IconData);
$ h) W8 M) U+ }( Q6 g- ?. ~end;
$ z. n' B# v6 @1 C1 V
+ O3 I3 v1 K6 A8 J& u. p/ ], vprocedure TFrmMain.DelIconFromTray; 2 O( h$ y" U5 R2 ?( I1 X% f* c
begin
" j( z s6 T4 ]2 _0 x P* FShell_NotifyIcon(NIM_DELETE, @IconData); 9 b4 u( \' e2 ^, o
end; . q9 }( w) n: k) u+ p) |% |9 `
# q0 ` L! b$ ?; `/ b
procedure TFrmMain.SysButtonMsg(var Msg: TMessage);
, ]* p' h7 J3 M1 B7 Wbegin ( i3 J: b+ I5 e& N" W( i1 ?
if (Msg.wParam = SC_CLOSE) or 4 ^5 i! b; |5 r* r$ m
(Msg.wParam = SC_MINIMIZE) then Hide , H3 p5 W$ Y3 _' V! f
else inherited; // 执行默认动作 " E2 x% ?5 f9 |
end;
( w& f: c8 `+ x4 {
- j, q! s+ G3 W, `, d1 r' Gprocedure TFrmMain.TrayIconMessage(var Msg: TMessage); 4 }+ }" M- H1 A0 P8 D8 n0 X
begin
5 K# D o% {4 R( y6 }if (Msg.LParam = WM_LBUTTONDBLCLK) then Show(); ) a( F, n3 ?, R I8 k' n; p1 S D
end;
0 D# r7 e" N3 r+ `8 r
$ a3 S! h/ S/ \) u) Q$ I! q- u+ dprocedure TFrmMain.Timer1Timer(Sender: TObject);
; h: I/ a9 i4 [9 n: Q1 Lbegin
' d% M, M& ^ [2 W4 G, Q8 qAddIconToTray;
! L8 j0 @8 {/ ^( f c, l+ z, D Eend; 0 Y: I" V. Y0 i
f2 E; B7 a8 J* D# a
procedure SendHokKey;stdcall;
" _) j& h, C2 X2 H/ h( lvar 9 j1 I" J: J! W$ j2 T
HDesk_WL: HDESK;
+ H9 ]- m I- Rbegin
2 ?. B: \3 |# k1 b6 e/ zHDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK);
5 } ~8 W4 i6 p+ ?if (HDesk_WL <> 0) then
: G& h" _2 d/ i$ Eif (SetThreadDesktop (HDesk_WL) = True) then ( ~. m2 R/ S( e/ ], J- g
PostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE)); 3 r: P9 a8 L% z% X: {
end; " B5 g1 {. W" Z* _
" H1 T3 L2 D6 g6 U2 D; {procedure TFrmMain.Button1Click(Sender: TObject);
6 X3 y' O: H; E% `* Pvar
! Q' O) t6 e5 kdwThreadID : DWORD;
* v0 b1 z* e+ R! C6 R. Fbegin
* N7 C; s: w# P2 T8 n: aCreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID); * U& U% [2 ?* O
end;
, L4 p% ~! H( U, g5 e0 [2 { G
2 W/ @9 J) ]3 F, A$ Zend. ( F& i" U, ^; N4 y$ y4 _$ ^
' X3 t( ?9 g7 v, w5 z
. s: R$ H% X/ l/ ?* k, L补充: , _4 H" ?/ r- H7 O: v
(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. , c2 J9 h0 L: t* A
3 X1 B0 C) U9 b: ~( 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.
9 ]+ d& l! i9 ?" a4 r" X
( f7 c% J& t( T- M U+ f3 i2 O* I(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 k3 R7 c! d( a# e' n% J/ P6 ~
unit ServiceDesktop;
, M6 j+ g3 H2 S! F
: i3 a: I0 k( }$ b* ^& ~interface 4 e& p' ]( Z" x- g, }$ |
, |: m6 L3 O( }' a9 c# y
function InitServiceDesktop: boolean;
8 }" x- p7 B8 L' s) a3 Lprocedure DoneServiceDeskTop; 9 |4 }; w) E8 R) k
( t2 j0 o: v, i7 ~& X* U1 g& D
implementation . P8 P8 K5 t# F2 r1 z, x* }
# |3 b! F+ N9 s5 Zuses Windows, SysUtils;
; _5 R+ Y5 b k( _0 U: N$ O
i; ^' j3 B+ Z6 jconst
( @" [6 J3 ?) U+ r: U; bDefaultWindowStation = 'WinSta0';
2 F8 L6 f! Y# v- H) q3 rDefaultDesktop = 'Default';
! z7 U8 }8 O4 |$ w2 _: j# |! ^- jvar 9 w' \# B% Z$ t. t/ y. v9 e7 g
hwinstaSave: HWINSTA;
9 l3 P+ K6 p9 i7 S; r! C8 ^hdeskSave: HDESK;
0 @; t! c3 W# |" |hwinstaUser: HWINSTA; ' O6 `& ]+ R0 q9 C* H, P2 G% t8 h4 r
hdeskUser: HDESK;
' ^2 `6 A9 }$ f) q" P& Vfunction InitServiceDesktop: boolean; % z4 L- a& w8 E5 ^% k8 L
var ! \( Q2 z+ j. n7 c
dwThreadId: DWORD; 3 T% z6 L3 f/ K* g# v
begin
+ `' `* Z8 T% U, ddwThreadId := GetCurrentThreadID; 5 O! g, d5 f% j. q1 K& ^
// Ensure connection to service window station and desktop, and
?+ f7 W: S, V( C& C! U// save their handles. & H# S; ^- c5 M/ U1 S
hwinstaSave := GetProcessWindowStation; - x& X; W, q. H/ {: E# B
hdeskSave := GetThreadDesktop(dwThreadId);
, q5 {( c' L) ~' E6 s! c/ Q7 a% p- y t y. @
9 y# F% u0 W! P2 o7 ?! I+ whwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED);
6 w. U; A1 @7 P* f. k8 [( Mif hwinstaUser = 0 then
0 @; }- `; G7 S* a, G: abegin 0 `! b) j* X' J) q" x
OutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError)));
) B! H& X# `2 ~* T/ p8 TResult := false; 4 \7 R5 R0 g0 o+ b9 H
exit;
5 z1 U' z0 q& L2 d2 t oend;
. z% r) J' u0 G/ R8 \$ f) S- v! y
& Q" F+ n$ F; s1 X( ^# y" t9 ~if not SetProcessWindowStation(hwinstaUser) then * O7 X$ l; j0 i, T8 D
begin
+ l! w A% ? w, `% w W TOutputDebugString('SetProcessWindowStation failed');
" h' |. ?0 {$ b5 J, N2 \% wResult := false; . B$ B4 o6 y' u
exit; 4 @* [3 g; M3 Q* T" r
end; 6 H8 w! K/ i: `- u( d3 @
4 L5 ^* M' U2 |% f9 HhdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED);
# _; e# z Q0 Aif hdeskUser = 0 then & r' V4 H+ s& p' j
begin
. L3 ^4 i" D: E! S+ XOutputDebugString('OpenDesktop failed'); 8 ?( I; m' }7 S z; S) E3 s& D/ e
SetProcessWindowStation(hwinstaSave);
( R* f# b* y6 B. @5 w; U" GCloseWindowStation(hwinstaUser); 6 \; z/ n+ @5 j" {, } b
Result := false; / i$ E3 }' n, B3 W% `+ o" ^
exit;
* J. b+ Z7 q; G; `3 e pend;
/ ^: _& ] n5 B0 t5 g7 } U ^Result := SetThreadDesktop(hdeskUser); 8 x3 N( x" k [: Z9 I% B0 @: p3 D
if not Result then / z* j# d" b1 T8 p) O6 V4 j6 J( b7 K
OutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError)));
- P) S! v/ ?$ v1 eend; * a4 r2 T8 ?- U6 Z' v
2 r' w, o( X! Y# a4 J
procedure DoneServiceDeskTop;
1 d' p3 v' i$ K& Mbegin 5 g5 d( u2 k, k( Z% k0 y: n: c
// Restore window station and desktop. / e9 r7 ^9 s2 p
SetThreadDesktop(hdeskSave); 2 Y! T: F5 S$ e9 S8 n+ G
SetProcessWindowStation(hwinstaSave); 6 f- Y9 m6 t4 _4 z
if hwinstaUser <> 0 then / j% V: h* i' f: C3 |" T7 ^7 N4 t
CloseWindowStation(hwinstaUser);
' U! Z6 ?; D$ k3 `( Vif hdeskUser <> 0 then ( F4 {% Q( I* `' V, C
CloseDesktop(hdeskUser); 6 A8 b' V s4 z8 |
end;
" F8 r/ ?, H2 Q' o$ n9 U. _3 v
2 O; P9 X' E2 ~% N* ?3 x; linitialization
9 S. { v) c9 Q# J: @3 x- _InitServiceDesktop;
0 x5 m, S* y. O/ [finalization
5 l1 M' ?2 z% ` ZDoneServiceDesktop;
( k2 J1 D3 W5 P+ C/ s+ e send.
6 I" h& k" \* m1 I9 s$ f+ k更详细的演示代码请参看:http://www.torry.net/samples/samples/os/isarticle.zip
7 O9 `+ e! R* g+ b& a
5 _3 W2 J6 I" {9 t. N5 z8 u(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:
5 t* }+ ?$ d: D+ }1 y: t
2 y& g0 l& Z% s9 s7 Cunit WinSvcEx; & D; l" T% h0 v
' S0 s* n1 E* a7 Q* H
interface
8 j3 v+ ]/ M6 ^ [
' R+ C, l7 g/ l! ]% uuses Windows, WinSvc;
6 N9 L3 d @! u2 u5 c b4 M
; Q/ w7 @% M p' vconst 7 ~) H# u1 B I5 o9 T
//
% t" A1 k; ~, f! X% |5 \// Service config info levels 8 I1 k1 M" {/ A
// 8 M+ v7 k) y! T4 @
SERVICE_CONFIG_DESCRIPTION = 1; / D$ }0 f& B) L9 o: x" N
SERVICE_CONFIG_FAILURE_ACTIONS = 2; |
zan
|