- 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.
. s; g6 `" c! M( ]0 n. r+ E$ ^ (2)具有SYSTEM特权.所以你在进程管理器里面是无法结束它的.
" \0 r( @8 ]% X# r$ x( t# a. q
8 t/ J* b7 o$ W, g/ k3 @8 a$ g 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. 5 R4 ~, ~' q* G, U/ ?8 _+ Q6 y
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:
. ]. r1 Q7 l+ y$ X O3 e3 Z7 u: |; x! ]' E! e
(1)DisplayName:服务的显示名称
# z, T; P/ {& g. X |2 ]8 w (2)Name:服务名称. ! n8 d5 M& a" z. P. K& L
( h& U0 x% ~3 O 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.
5 \1 F( a p& B k( v( A, A8 G" j9 x9 x& H% ?
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. " R& r! |4 z; Q7 a
" Z, F. R# t' |3 F+ ~ 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.
4 ?$ U; [: ~4 i# p9 F
& P; }7 y! ^/ [$ `% c 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:
& S/ i6 u3 _4 x, ]6 Y: E4 g* H1 V( f1 ^/ D# w$ T
& Q1 z5 V* O. |" i lunit Unit_Main; 6 d; b8 G" D* w( D% t
! e- v! t' h( @8 f' b' Z+ x6 Y0 u, ginterface ! _+ a, U4 `* E7 w$ p; p
1 c. K9 X- E7 q: t. puses ) ]; x0 B3 n% c0 h. D
Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain; 5 `5 [, {& \9 q! y0 p/ w4 x
B q0 z; R& V. ttype
8 u$ e# I+ N' v' q& sTDelphiService = class(TService) : B# A* ?$ O; v4 D
procedure ServiceContinue(Sender: TService; var Continued: Boolean);
) }, m. ] b# k; G5 C9 k+ sprocedure ServiceExecute(Sender: TService);
+ t7 B' q; P) `6 Q1 t- Qprocedure ServicePause(Sender: TService; var Paused: Boolean); 3 A0 F) D, o: Q7 E
procedure ServiceShutdown(Sender: TService); + o+ H3 ~4 P" L" ^9 M
procedure ServiceStart(Sender: TService; var Started: Boolean);
4 c$ B9 B7 h- W8 `procedure ServiceStop(Sender: TService; var Stopped: Boolean); - J8 Q: H0 N8 }2 k
private
* p5 } Z% A+ Y) d8 Y{ Private declarations } ' }- T* S3 Z- B2 r& [# E& D
public
2 h* \+ F. _8 r @/ L* Afunction GetServiceController: TServiceController; override;
3 q2 T4 ~* U. A{ Public declarations } - o) Y0 V2 }2 v5 k; S
end; ! b, W% H2 {. W4 h! U* \7 }" r
6 s% U! V0 j/ z. p2 hvar
: b, p& O$ }% M6 v- }* z5 _- MDelphiService: TDelphiService; # w: t6 s; |- Q2 l8 k7 j- ^5 p7 ]
FrmMain: TFrmMain;
J' T. j4 G$ j: [$ h/ O, Q3 Vimplementation
1 ~1 ~: Q8 J F8 n! ]" b: H9 w1 V' ]* u! k
{$R *.DFM}
! {; x. N! D! g
% d3 Q7 v7 |2 m; y! C7 |2 rprocedure ServiceController(CtrlCode: DWord); stdcall;
" h; k8 \$ G7 {- p7 |9 `begin " w; R+ k% d: |$ z8 i! O
DelphiService.Controller(CtrlCode); ! v' f, B9 ]# Y7 H. y
end;
7 \$ q* y. Q& G' R* ?1 Y- }) y7 w) g, u! b }+ O! [" B* K( _7 J; c
function TDelphiService.GetServiceController: TServiceController;
: p3 I# }. W- u8 b1 T: abegin 3 m" i5 X; H- Q7 ~% j1 @! n) ~
Result := ServiceController;
, {, k" T6 I$ V% R1 X9 `. X$ I' `$ |end;
7 t$ N: d7 r8 a: E! m& \$ u4 ?- ]% q' H9 E! t
procedure TDelphiService.ServiceContinue(Sender: TService; 2 _% }' Y0 Y( X
var Continued: Boolean);
% G4 G6 f l( bbegin
* g: S. X2 R9 [7 `/ B+ S9 iwhile not Terminated do 9 H/ e, u3 ^& K5 n) u3 }, x" ?
begin 0 \; c! c4 ^+ E( b, t* x1 P0 B
Sleep(10);
/ `9 g2 L3 U6 M: LServiceThread.ProcessRequests(False); : Q$ u( I3 K# |5 _. O
end; 6 [* g) \6 m) }5 r+ s7 o0 K
end; / }0 D: x$ g( J) K4 {3 @
/ W- l' D% X/ M% d" [6 e$ Bprocedure TDelphiService.ServiceExecute(Sender: TService); . l: t( \ z Z' ~0 v6 E
begin : Y& j0 a8 N6 K: q3 X
while not Terminated do ! w" `9 Q7 S' _9 O* ^6 A, O3 I
begin
! V7 p9 i# n( b- F: S5 }0 kSleep(10);
" c1 j P) b0 d+ {/ _$ Y/ dServiceThread.ProcessRequests(False);
5 _( ~# y( |, j9 r: u2 R. \4 Vend;
# i* q# D, _- n0 |, q; ^end;
2 u) b0 n* F/ ^
/ A& f3 F( J, S( F% f4 t- xprocedure TDelphiService.ServicePause(Sender: TService; ) R9 `( v$ H8 Q: u
var Paused: Boolean); : ?4 `9 h* e0 r' a) M- v- V
begin
; j" {1 |. D) u$ FPaused := True;
# ]: Q# \8 }8 }4 \2 |! e% E( fend; 7 m* y& a$ q9 I- I
9 x* I! Z0 q/ K! X2 ^, Aprocedure TDelphiService.ServiceShutdown(Sender: TService); ) N: f1 |! b; @7 H: |$ w% m
begin 8 l+ I2 O, ], x
gbCanClose := true; 6 @: W7 Y' Y/ P/ t$ F& y" j$ p
FrmMain.Free;
6 l( _, v7 F' J& X7 bStatus := csStopped;
. O( n- Y; u& T i8 E% }4 [8 d' BReportStatus();
" n/ ]6 `* \+ b) K8 _end; d, s2 t0 m" N
; X s" h2 n. V$ Tprocedure TDelphiService.ServiceStart(Sender: TService; 2 j: Q: N4 ?9 Q R0 f3 U) J3 I
var Started: Boolean);
6 U# n1 W1 ^5 ]1 h9 a# a$ {begin 9 {; E/ y9 P9 h$ {
Started := True;
7 S7 h; X7 H/ |' t+ nSvcmgr.Application.CreateForm(TFrmMain, FrmMain);
% x, s& C" S* J4 v& }6 agbCanClose := False; 3 i9 h5 R P4 z& T( k0 e/ f, t
FrmMain.Hide;
! E# }' J* @: C: Nend; # O/ w% ^4 r4 `
7 J& E7 ^( a4 s2 F/ e
procedure TDelphiService.ServiceStop(Sender: TService;
) Q0 Y; ~; K) h" X- D6 ~* F% @2 `var Stopped: Boolean); 5 n! d" w; r, u, C# J; h% C
begin
! j+ C- H! M0 E* HStopped := True; 6 [5 b5 U7 p" i
gbCanClose := True;
8 E# e% L* Q5 J. F- \5 HFrmMain.Free; # C1 J8 V* w9 X ^! P8 d/ t
end;
0 Z0 C8 I2 N; p3 @
' X3 D9 [8 b0 ~6 ^, b$ ?5 x4 aend. 2 p4 n' B" ^ _5 a! \% [
5 ?0 B- d1 a4 X: x; \
/ ^9 s* K; C" Z% S5 C主窗口单元如下:
* d2 p. a6 w( U h' c* c) ^* G8 ?7 ?$ k
unit Unit_FrmMain; # R7 o! f2 a' r @' j; V
1 ` C2 F6 X# X
interface $ Z) i" ~& J: `! C# l! X/ ]( ?# K
0 N1 W7 r. q* |uses
) A9 |: d: ~: Y: [7 L: Y# NWindows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms, " }; N* G) O E* A8 y, M
Dialogs, ExtCtrls, StdCtrls;
! |$ `( E2 m$ |% w9 z* J! ], V5 s7 L3 y3 V& c
const 0 B0 V0 `9 q* d3 k! O$ j
WM_TrayIcon = WM_USER + 1234;
8 O% P7 n' r# s5 E) |type - }1 Y/ I5 c$ U L* m# T' f+ f( n
TFrmMain = class(TForm) 4 F5 \8 a& `1 _+ s) Q+ ]
Timer1: TTimer; 1 \) i: R/ n' P0 B6 R' @2 l
Button1: TButton; / V7 ?/ I# ]8 N9 b! H9 ?3 p2 Q
procedure FormCreate(Sender: TObject);
- f) d1 f3 x" }5 E, Z# ~procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
. p8 @6 B7 n0 _8 f$ Eprocedure FormDestroy(Sender: TObject);
0 I( F& I, f m+ }2 Vprocedure Timer1Timer(Sender: TObject); * B6 m/ J N/ L9 [. ~! s
procedure Button1Click(Sender: TObject); 2 w! ?3 h2 q% u7 V7 q, I, h2 Q9 y3 G
private $ v. F7 W+ `8 y4 }+ h( O
{ Private declarations }
* a2 D- o' u3 }1 \- e$ h# _IconData: TNotifyIconData;
. s# y3 z* G) _; S/ B4 q5 Nprocedure AddIconToTray;
" V3 i) j; a! j* G( hprocedure DelIconFromTray; ! k" v4 \$ z: f, T# A# B! v
procedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon; ( K6 G- R1 y9 F# O
procedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND;
: L0 o, L! h" Spublic 4 U |+ t$ m r% M# j
{ Public declarations } / d5 s8 V1 ?' V- N
end; 2 q* O# q' T2 `
: N: L& ]- C$ o$ Y
var
+ P* N+ x% F$ s! M& `, O: _: M2 g, L+ TFrmMain: TFrmMain; " R. P U. C- j Y0 x& W
gbCanClose: Boolean; 3 C9 n, }0 n4 k1 }% k
implementation
& [' A8 |* Y+ V3 m
5 [2 Q" F1 K e5 ^! _{$R *.dfm} + |% s, O+ o% F1 s; |
6 ]- D6 C* e; e" B$ j! ^' V, s" Qprocedure TFrmMain.FormCreate(Sender: TObject);
6 M1 ~. \" z# |% R/ Obegin & n6 R) t/ Y' ^# H/ V f; \
FormStyle := fsStayOnTop;
" d0 S0 @. H3 ZSetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
1 P, L$ ?- {6 X; [" ~gbCanClose := False; ; O3 ^+ \9 x! c5 i
Timer1.Interval := 1000;
& r" ?. u% s1 Q' \* iTimer1.Enabled := True; + Y. D$ Z9 X3 ^3 l9 \2 I( ~9 j! ~7 Y
end;
5 C% J9 }, g. y, N9 }+ ~: X: C, Y1 ^, A% M Q1 a1 w. |
procedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
/ [+ g) s7 [. T& pbegin
, d1 \" \5 c% n) XCanClose := gbCanClose; : {& z) J C0 \0 u& K
if not CanClose then
5 n: J$ D- m) M* H* J( W- n1 ^6 Q* mbegin
$ o4 j& m0 v9 H& P QHide;
5 A7 U0 s# G/ L& g! }6 oend; ( R- n5 k2 Y) t7 a. }
end; & l" Z" t% Q1 [3 e' O ^( _6 Q# X
! a) E# w0 D& u, j" D
procedure TFrmMain.FormDestroy(Sender: TObject); 5 d: w& ^7 m( y$ d% y/ R$ P& `
begin
. f: l6 p, \! n- j" b* p5 X% n/ q. hTimer1.Enabled := False; ) T2 Q9 G2 h5 B5 q
DelIconFromTray; 3 N, J( O- Z9 |) L- E# u
end;
6 R8 K$ L5 {2 V* S4 J0 m9 X. G ?/ l8 ?- k/ h+ ^" t w
procedure TFrmMain.AddIconToTray; , L/ q4 E% ?- p
begin
8 S" f# {$ S! FZeroMemory(@IconData, SizeOf(TNotifyIconData)); 9 K4 `( U" `: u6 ?. z
IconData.cbSize := SizeOf(TNotifyIconData); : l% O, i+ T$ q4 j8 j/ g4 r+ p8 ?* }2 I
IconData.Wnd := Handle; 0 w" t& E) F0 l! J. D1 n* F8 ^; O
IconData.uID := 1;
; K1 x0 V' N1 M3 R. ?IconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP; & S: O2 L2 J! _8 D* E2 {* L0 S# I
IconData.uCallbackMessage := WM_TrayIcon; 2 G M7 o3 [0 P. d3 L
IconData.hIcon := Application.Icon.Handle;
/ t% D6 e9 w; o3 B3 S7 P0 z. sIconData.szTip := 'Delphi服务演示程序';
5 h, [& t. n" k6 m* f! }% G O' ]Shell_NotifyIcon(NIM_ADD, @IconData);
2 p1 A3 v3 ^" H+ U" Q- C `end;
1 j2 Z/ y3 j$ J2 W( t0 B9 P0 M1 ~
procedure TFrmMain.DelIconFromTray; 1 N+ k V* U8 s6 i; @! ~
begin
' S0 W: ]$ l+ b2 {9 L" {% SShell_NotifyIcon(NIM_DELETE, @IconData); $ l" n, N' k j0 z7 ?4 I
end; # u: M: P2 u- e# G4 d! b. J
! i0 }! ^9 c e( E; x
procedure TFrmMain.SysButtonMsg(var Msg: TMessage);
+ r: Y: y4 t' N% s( K* ?. ybegin # Z% w7 C$ \7 ]# P" S2 ^- R
if (Msg.wParam = SC_CLOSE) or
9 l; s5 i6 X2 a' I$ ](Msg.wParam = SC_MINIMIZE) then Hide
# F# Y( x8 w% uelse inherited; // 执行默认动作
9 r) m& J m$ k* s# z8 t ]. ]end; % o) i4 c8 B9 `, r$ Z
9 J& l1 G6 I* Q4 _1 Zprocedure TFrmMain.TrayIconMessage(var Msg: TMessage); 7 ^7 R G: C( x! a% d) ]8 `3 H6 U0 W
begin - y6 l( N" G% f/ e2 O
if (Msg.LParam = WM_LBUTTONDBLCLK) then Show(); 5 L* f, ^/ n$ W, ]6 W/ V; k
end; / D5 C9 f* y; F8 T& ^
6 C8 _6 A; ]$ |! `1 Gprocedure TFrmMain.Timer1Timer(Sender: TObject);
, s" ?8 g( d k) H7 |. p- y$ Lbegin & `0 k- y2 k8 l; @0 y' l
AddIconToTray;
- ^$ e& P3 s. k) Dend;
9 p. U+ S8 B* _' _- \" K" J" ~# U1 R) G/ {$ L, x4 i
procedure SendHokKey;stdcall; ( [* t/ [& |7 s9 }
var
5 g" k. P6 d4 h6 eHDesk_WL: HDESK;
- X4 d4 A& H) c% @; ^! ^! \begin
2 n. T: P2 w* K+ c# O3 @, rHDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK);
9 {& U; x& S7 z8 G# ]! b+ z K9 xif (HDesk_WL <> 0) then ; g5 O- c! G# t. h( n8 @
if (SetThreadDesktop (HDesk_WL) = True) then ' `3 P( O; l1 H" ^& z5 f! o. W
PostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE));
$ T5 x% |+ s" [end;
( J( ^/ T# {9 X6 y8 h
F1 B5 ^, S1 e1 C3 u' lprocedure TFrmMain.Button1Click(Sender: TObject);
- K; {( z* P( p' j2 G4 U; K" uvar
. P# q4 m' A. z* {% m4 K- `# }% SdwThreadID : DWORD;
z' r% D X: B# d; n( Y$ Q3 Wbegin
3 Z+ Q1 g+ e3 ^4 v0 p# \+ f# Y2 S4 sCreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID); ' K0 J. _5 U% ?8 c7 R. T: K
end;
: |" t" x' r3 G! ?+ z% w9 B1 |! N* { @0 `5 a( d& i& E
end.
0 d" o1 K9 x7 k9 n" y" y+ O( N. C- [9 W0 A* p$ W
! G! S3 K% t; m5 G1 u补充: % N6 V/ N/ W. _' d8 `# }: f
(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.
5 G6 t. R! U1 e/ Q# M7 N1 f+ b" Z8 w$ ?- p3 U3 f* q
(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. * }" ~- D2 c3 K: e2 [
- c$ U+ F9 |5 y U8 M$ L" H(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: # J6 ^( A9 t+ t2 N1 r$ M
unit ServiceDesktop;
1 n; N v3 \& z- c& ?/ D5 i0 X$ N
6 V3 p8 N) c& f. j* e: V6 Ninterface " e, E2 n! s/ I4 ]. u
8 B, P- U! m J
function InitServiceDesktop: boolean;
: e& E. H2 ~ v( pprocedure DoneServiceDeskTop; 4 m' \% E* d% @# e+ G" v2 O
8 g0 D0 Q+ _7 A" ?; p2 T5 Yimplementation . ~! c. z) |9 ?7 _# B$ \8 l
7 C; D, r( n/ K+ L5 m
uses Windows, SysUtils;
( A- Z* r) s! M/ h5 Y' H/ p
) }8 `* ~& V5 H7 pconst ( F/ {+ g8 ]; |/ n E7 f6 e
DefaultWindowStation = 'WinSta0';
9 f/ D$ b: a) Q8 c# LDefaultDesktop = 'Default'; + G4 t7 K8 c* e z% v6 Q* [% d
var 2 |" V) n0 H% r; G, [
hwinstaSave: HWINSTA;
, t3 u8 r V& g- S: s& m, ZhdeskSave: HDESK;
& ~7 G S$ ]0 F9 N9 z' HhwinstaUser: HWINSTA;
5 W0 `8 b: A/ a1 V+ e: J7 {hdeskUser: HDESK; ! R- |8 _4 g! J5 s9 z# c
function InitServiceDesktop: boolean;
) B& ~6 \# w3 N# r2 G* Z' [( S8 |2 Y% Xvar / G0 Y* b/ e* k' h& y; o" Z# h- {
dwThreadId: DWORD;
9 e6 |. Z1 [3 v7 j3 B) u. q. hbegin
D4 ~1 G4 ]4 n# z& i0 zdwThreadId := GetCurrentThreadID;
3 P/ s! s7 u9 w3 T! \// Ensure connection to service window station and desktop, and
1 j: f) ]: F2 S" @& ]// save their handles.
3 N6 l: s5 F# A/ ^hwinstaSave := GetProcessWindowStation;
. r' H' ?% }1 O! qhdeskSave := GetThreadDesktop(dwThreadId); 8 Z( e0 ~6 |: a4 K8 O5 d
9 h1 w/ g0 l& B& M4 d+ E: {/ b
/ Y9 U0 m* L3 ]3 W4 ~hwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED);
' q3 r& D) b) Yif hwinstaUser = 0 then 5 h) o( P- P: C
begin
7 X9 V9 D- X6 L. Q9 _OutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError))); & B' ^* m! C3 V9 _: \7 B, c
Result := false; * w$ w$ e4 h5 A8 j" I
exit;
9 A% ^2 f# Z0 z" f7 yend; / W5 v' r" D2 j/ h
, h$ }( r n+ c" x5 n! z" mif not SetProcessWindowStation(hwinstaUser) then 0 S) K8 S0 x G
begin
/ K9 \4 l6 X& G. s. R) B# dOutputDebugString('SetProcessWindowStation failed');
, g. _5 }$ e) Y5 }! mResult := false; $ ^9 V" ~1 x' X2 Z
exit;
a: G2 R- O5 \" l! A" }end;
4 M! g- s; L5 R. K9 [# L, @; [. X9 h3 P7 f: W
hdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED); c- B% l" b2 i
if hdeskUser = 0 then
3 \. n ]/ n: Fbegin
$ S- D7 d+ W' u. a; UOutputDebugString('OpenDesktop failed'); $ o8 Y9 x6 }! U: u
SetProcessWindowStation(hwinstaSave);
' w% w; {% K# b% S; }/ I c cCloseWindowStation(hwinstaUser);
- [. G- @5 h ^) {/ U% S; r+ ZResult := false; 2 C7 g+ c8 r7 Y5 h$ H7 S; O
exit;
4 _- [+ t' R9 H5 _" F- y- uend;
$ P" ?; K; |# K0 T8 ZResult := SetThreadDesktop(hdeskUser);
+ A& N. j3 J0 o0 S' Hif not Result then - s$ z5 d) V5 P M$ p5 U
OutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError))); 9 ]) u9 f# l$ F; ]
end; 7 e1 d0 Z$ i! \5 \
+ M" \$ A; H' E/ {2 |3 jprocedure DoneServiceDeskTop; $ D' h6 G/ U* y* f* |; }4 V% X3 B
begin
4 o4 ?/ C$ k; ]; J1 s3 q& T \// Restore window station and desktop. / L5 f/ ~. L: X0 _; Y+ R
SetThreadDesktop(hdeskSave);
+ @3 h4 Y. H% q1 i7 ASetProcessWindowStation(hwinstaSave); % M3 x( \/ \! q0 h8 J& ~1 h
if hwinstaUser <> 0 then 8 B7 q! d( Y" w
CloseWindowStation(hwinstaUser);
6 ~1 l; D* `8 a, F' i o9 V cif hdeskUser <> 0 then
! z1 K8 h( g6 l+ s( fCloseDesktop(hdeskUser); 5 _ w% o. c2 [3 R# ?. T
end; ' y+ o |8 ?+ K6 o) z' }
6 p6 T& h' c$ x/ ]/ d% B
initialization
! [& e, A' W5 e3 g" c! \! o( }InitServiceDesktop;
, d; p* p C# W/ ^8 Afinalization
; G% X, g6 L; k5 w9 q- ?! {DoneServiceDesktop; + j9 N/ F" q3 C+ v3 q
end.
7 A$ k' ^' Z4 d2 Z( g" Z更详细的演示代码请参看:http://www.torry.net/samples/samples/os/isarticle.zip
& u7 o1 n6 a% T6 H0 L* y& Y* F) f: }: a4 J8 T+ `* q" {
(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: & w7 C7 b# O7 t/ `- s* N
0 r" H: Q5 ~' Q% y @- Xunit WinSvcEx;
) ~; w! |8 S0 i: Z
^. f% N7 U5 v8 iinterface
6 p, R1 {8 P# m) k, h8 b$ G, I e1 n# _" s4 e
uses Windows, WinSvc;
, x7 y$ U* S* D" ]1 ?1 }6 S& O* I6 c/ {3 t. A) k
const
, p- M2 Q2 B0 G0 _" V+ h//
% M, w: \! Z3 ^- N// Service config info levels
: B% ^. Z7 c0 I4 t// Q: D' j% f& n5 Y" E, o. ~
SERVICE_CONFIG_DESCRIPTION = 1; & ^* w6 g: M+ a
SERVICE_CONFIG_FAILURE_ACTIONS = 2; |
zan
|