- 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.
- u' Z% h+ Y* |5 F( ?) d" G0 I (2)具有SYSTEM特权.所以你在进程管理器里面是无法结束它的. $ {; M+ U; Z6 W+ [
( Y6 |& y* t/ ?8 y1 Y1 R 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.
% K. f8 s/ Q7 O% {5 m 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:
( U. G8 A2 T6 H2 L$ }$ {: @9 l+ B" H: A
(1)DisplayName:服务的显示名称 4 e( }9 y( l y& r0 k4 }7 B: Z; K
(2)Name:服务名称. . }7 I0 Q z& g6 ^/ N
/ S. h/ N3 A9 u5 L) \ j 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. ' _ L; V @" h* U, c4 G4 G& D( ^+ O0 R
; f8 u# F" y y: m3 R5 n
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.
/ x$ H0 r% S* Y: W/ i+ X
8 w8 Y3 B; X' t) \2 x5 \5 N0 K3 u2 t 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. 6 W- t0 v# h2 [3 m( G/ L3 F) L7 q
e- i8 s+ Y2 b$ U
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:
1 ~" ]2 l7 k( R0 q
% y! N5 L8 Q* t; `5 |' C% e U6 {1 ]) {) R
3 G8 r5 Z, e9 `& Yunit Unit_Main;
( |( f8 S+ J- x% [7 s& m2 W4 i& h7 J) z" h$ d
interface , ~; g$ Q, _/ J* J0 g! [
4 Y6 y3 f' g7 ^
uses ! O; A v$ n5 b& T' w$ ]9 s
Windows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain; , i$ a8 N2 W* y: _+ j- s
! B1 E" K4 h0 d" D6 `type
1 m3 W+ S" [* V7 o5 S" b4 {+ x, b. dTDelphiService = class(TService)
3 K6 j8 K7 M* I Y0 ?0 ^8 K& Rprocedure ServiceContinue(Sender: TService; var Continued: Boolean); % V8 S( ^9 b- l7 M
procedure ServiceExecute(Sender: TService);
3 {$ N7 ~5 d8 h& }) b9 z' _7 ]procedure ServicePause(Sender: TService; var Paused: Boolean); & e) N, j% i+ \9 C- K2 n) r
procedure ServiceShutdown(Sender: TService);
+ J. J' g* S* d$ H5 Zprocedure ServiceStart(Sender: TService; var Started: Boolean);
2 q5 w& g0 g! ?procedure ServiceStop(Sender: TService; var Stopped: Boolean); 5 j( x- g! \' z- }/ \
private ! a5 `) g$ B( t; ^- i
{ Private declarations } ; L. Z- d: X4 X, W6 F" A9 I
public d4 W" `7 o7 B: x! n( \6 i
function GetServiceController: TServiceController; override; : s$ O3 v1 R- I& {. g1 Q
{ Public declarations } 9 F' H! M: |) I
end;
7 V" i9 U/ G3 X0 e* q; E" |7 j$ Z2 u" w8 T! A$ |
var 2 D/ w! u5 N B0 [
DelphiService: TDelphiService; + g/ Y' B4 f' J1 s
FrmMain: TFrmMain;
; ^4 C6 R- y% w% c- i( wimplementation & ?0 D% C- }0 f7 ]) z' q- h9 [+ T
; g& g1 F- w' X+ ?! S- I
{$R *.DFM} : `. ~3 w% n& t4 ~% g, q
3 n$ O+ E+ b9 m7 x* s' p2 s& `& U) kprocedure ServiceController(CtrlCode: DWord); stdcall; 7 G* ^* Y: z* X9 W) |% |, J$ V
begin
! `4 S* R. |& {# x( U8 e3 GDelphiService.Controller(CtrlCode);
1 ^1 v, t6 N% {" Z1 C( ?% W/ Tend; % J9 K$ n# @ h
; V# I; C, `4 s2 j }
function TDelphiService.GetServiceController: TServiceController; 5 K* F5 {# M y
begin % r( B5 B* h8 J+ |3 D- A, M% ]
Result := ServiceController; # V* M; v: P4 ]+ I( e8 ^6 x, ?) ]
end; : M) b5 w7 u3 N
: B9 d, b% k% ]procedure TDelphiService.ServiceContinue(Sender: TService;
9 p' a5 M2 p1 D2 S3 N# evar Continued: Boolean);
* A" o5 e5 N+ N$ nbegin ' b( L, `: u" F% R, q
while not Terminated do $ {3 Z2 j, X1 @6 E4 P
begin & H) w0 w! j6 T" X; j3 m
Sleep(10);
% o2 C9 d; W+ b, j, z D1 aServiceThread.ProcessRequests(False);
& j* {' a1 o: W. t) G6 M( Q! d+ Fend; 9 ?8 ?* F g: D* L& h q
end;
) c8 C" `/ Z4 j9 n2 s/ [. a4 I1 o$ i" M, G
procedure TDelphiService.ServiceExecute(Sender: TService); 2 l$ J+ s6 R0 S) ]& [" n
begin 8 ]) z4 q; j# X3 H2 u; P
while not Terminated do # Q5 ~" L+ j0 }$ _; P
begin " l2 ~( [; h: N1 _( t
Sleep(10);
! y. n }% s5 E* bServiceThread.ProcessRequests(False);
+ z" I! V( C* e& N; ~8 Dend;
# W4 g7 _) j2 c8 Iend;
1 I5 A0 P2 j2 [% M/ f9 T) p) b0 v/ l9 c- u7 Q: u6 h7 v
procedure TDelphiService.ServicePause(Sender: TService; , d8 a$ v: o; r+ g7 f
var Paused: Boolean); 4 d& s: a* M. v4 H7 t8 S! R6 g
begin
/ U5 G' x% E' Z2 C" v: xPaused := True;
1 d! g/ [! `7 C; kend;
9 N, _0 r& {1 u( U) }7 l6 x: K; S( g% T) p2 x" T$ L& K
procedure TDelphiService.ServiceShutdown(Sender: TService); h" W- |+ f5 m D8 U) P! r
begin 3 m$ _$ Q( \7 w9 q3 a
gbCanClose := true; 4 Z) y! }) r+ U# y9 S& q
FrmMain.Free; 0 n `4 M4 E0 I
Status := csStopped;
. B2 U+ Z. g, CReportStatus(); * c0 @/ i6 Q$ g2 N3 [
end;
0 u- U$ ~$ M0 Y% n
4 ~3 _( }- N- B, C" i$ P7 d/ iprocedure TDelphiService.ServiceStart(Sender: TService;
. C O) b! `. M+ svar Started: Boolean);
1 p" p @% t V& M( w" e- j6 fbegin 0 ~" X4 N( o; m% B
Started := True; * H& p4 W* z6 v! P/ t) |3 r
Svcmgr.Application.CreateForm(TFrmMain, FrmMain); # Z( h$ i( r/ t1 A8 f( j, E2 X
gbCanClose := False;
3 o* w- z/ p. s3 x4 UFrmMain.Hide;
3 S6 W. w2 `+ Fend;
- q) i3 o+ ?) D) B+ T% i; w6 X" P `
procedure TDelphiService.ServiceStop(Sender: TService;
/ _+ |. @7 O8 K( s( B2 cvar Stopped: Boolean); * i2 N7 X( b# l4 U6 U) ?2 Z
begin
* s7 r; o/ E* J4 fStopped := True;
; j$ J% P: ~5 F/ q' X4 d% UgbCanClose := True;
! | H. l* |7 ]/ qFrmMain.Free;
r4 f x" B) B5 ]" j7 ^9 pend; : `' B" d# a( Y$ x. M3 ^+ d4 Y
5 c" d; y6 `6 B4 J) p- [ ]8 j( Nend.
, o9 q9 F3 P p& @
& t. B. p4 o" a: e
6 a: x% n: r$ l9 j% ?; C主窗口单元如下: . j9 z5 _$ J1 c$ t: d+ y) @- V* k
: C4 s, E6 l! {/ e+ dunit Unit_FrmMain; ' n) @! t9 L: z8 M+ ^
' ?# N4 i- M3 W3 c- j7 I$ N
interface S9 d& c) S9 ?! u3 a
$ P! \& J0 _' `9 |) V2 suses
4 T+ {2 a( e! _, O# G: pWindows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms,
# e0 s6 E8 R7 b" b! {Dialogs, ExtCtrls, StdCtrls; & i) X6 }# z4 H# O
1 x; F( ?# w. |- j+ h; f5 S
const
3 A7 L' P# e; K7 s+ D4 _- PWM_TrayIcon = WM_USER + 1234; 7 t7 ^; j) k2 L* P! b, Y3 m
type
) v" l3 p% ?* Y, |; ?( A7 [TFrmMain = class(TForm)
9 U5 \+ F2 K& |8 H& a7 HTimer1: TTimer; 6 ]& b) u# Q J5 j
Button1: TButton;
0 ]- ^9 I9 i9 mprocedure FormCreate(Sender: TObject);
! {% }5 w6 ~& k1 h. O5 |procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean); : F3 L. j; r J) g5 F# W! E7 j
procedure FormDestroy(Sender: TObject);
# L# @& V1 Q0 h3 `procedure Timer1Timer(Sender: TObject); ! u( |8 D% Y& x* S
procedure Button1Click(Sender: TObject);
& H% G2 ^$ c' C- N! n- G4 z' _' aprivate
K: f1 ?# V7 q7 G6 E{ Private declarations }
7 D' O( Q3 }) t$ CIconData: TNotifyIconData;
. V5 j& X' D: R4 p# _) Cprocedure AddIconToTray; 0 v6 B8 H- N8 p- m
procedure DelIconFromTray;
W% r2 ~) y. g! X; m, x# g/ uprocedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon;
9 ]0 n/ B9 e7 @! z mprocedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND; . u! {( t* G0 P! l. n7 |7 H
public 9 }0 ? L, D/ Y2 e+ F, C
{ Public declarations } 5 ]& _* n4 a5 n& k
end;
$ L# [! h% r; m/ m- ]# k3 R; i/ k8 _: W/ D6 G: q) T) u
var
& A0 H9 I0 X; o x, BFrmMain: TFrmMain;
, s, x7 _% }$ |) y2 C6 m2 TgbCanClose: Boolean;
& x0 y) q# V5 }( b. W: T3 Cimplementation * {# F j U @
* u* V/ f1 l% c{$R *.dfm} * `3 g( Y" X; Q! n
! { b+ [! M! n" F, C' b S
procedure TFrmMain.FormCreate(Sender: TObject);
, q) v0 V7 ], r. N. D/ Sbegin
3 S j% c% \: C9 H( eFormStyle := fsStayOnTop;
" z+ w) F1 ~6 }: P1 E2 \SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
( a# X) g, z: b4 E$ ^gbCanClose := False;
1 [4 Q7 T' v0 G$ mTimer1.Interval := 1000; : @ A* t1 A8 o
Timer1.Enabled := True; 9 u- c# X2 w6 E1 _7 y. b) K
end;
" D; ~+ H2 D5 h4 l: u' @! b% [+ B# \
procedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
7 H" T$ U8 h4 nbegin
! O3 E2 J. [3 u0 ~) g) E* \CanClose := gbCanClose;
0 A1 X+ p4 t* R: q5 ~4 c" xif not CanClose then
# C( z) E( b9 U4 g. Obegin
' j2 X" s. M; j1 H! vHide; 7 g" ~& b3 X3 y1 I8 p* Q2 Y
end;
" Q6 H0 o `+ E% |. }end; 3 K( q n' g, f/ v
# k8 C. m2 \& G, x9 L) M& tprocedure TFrmMain.FormDestroy(Sender: TObject);
) ~7 `3 `- ~& ]5 a$ p, u' {begin . i. m; y$ C3 d( ~$ X4 Z
Timer1.Enabled := False; ! z: O; U+ {# j) t' _, e
DelIconFromTray;
2 f( F1 b) p0 t. v8 b' `( V5 hend; ) s: K& B% _, c: q% B, j
. M6 F9 P. M- M& Nprocedure TFrmMain.AddIconToTray;
0 r! z# O1 z: p( ^! y& wbegin & w7 r( [, G' }6 G
ZeroMemory(@IconData, SizeOf(TNotifyIconData));
3 `- e' {0 f! Q' ^" S! P& SIconData.cbSize := SizeOf(TNotifyIconData); 2 g( h) R8 e8 U
IconData.Wnd := Handle;
2 ]- Q' b; w( |6 [3 h3 SIconData.uID := 1;
" ~3 G( U4 R/ W9 K7 @& v7 kIconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP;
; \, z/ N, m5 r ^IconData.uCallbackMessage := WM_TrayIcon; ( G. F; S, X7 W0 F
IconData.hIcon := Application.Icon.Handle; 2 v$ s2 q4 V! G* ?2 K9 W f" [
IconData.szTip := 'Delphi服务演示程序'; 6 ?( j5 }$ _# I9 [ I
Shell_NotifyIcon(NIM_ADD, @IconData); % K$ }- o6 h8 P! z1 B
end; . } a+ Y# {) u6 B+ q2 \
4 ?8 k5 A8 X1 I4 E. y# h7 T- D! d
procedure TFrmMain.DelIconFromTray;
2 n, U; b! K- T6 w4 ]begin
" H y% D2 p; gShell_NotifyIcon(NIM_DELETE, @IconData);
* i( w4 L) x. ?7 V' r5 v/ Rend;
a h0 x& r+ B
# C1 A% x2 e( f/ _procedure TFrmMain.SysButtonMsg(var Msg: TMessage);
" e% X5 z/ t7 g/ L: Cbegin . u) j7 Q5 K1 z6 s) C A
if (Msg.wParam = SC_CLOSE) or 0 N0 j9 v% ]5 i1 G+ m. T3 _8 {
(Msg.wParam = SC_MINIMIZE) then Hide ( K; t* P# k i, g. ^( i
else inherited; // 执行默认动作
& N r+ {% E, D: kend; % ?; k) t- ~/ F
/ l; i3 S0 s% I% I k6 K( g) d( Mprocedure TFrmMain.TrayIconMessage(var Msg: TMessage); * H& u( s* {: R$ S, b2 d
begin 7 q- J c7 _6 t" G% f# a
if (Msg.LParam = WM_LBUTTONDBLCLK) then Show(); ! a; P$ s/ n. c/ F8 S
end;
% A* U! X% b7 Y: I6 F- q$ F
! k/ L+ b. D$ a& J9 i! z% j+ c1 nprocedure TFrmMain.Timer1Timer(Sender: TObject);
; p5 h, U. c; R& O0 f) N8 B) |begin
! f9 M3 w0 Q) j7 p! R7 }3 MAddIconToTray;
) ?" p+ G2 D: r) |end; % K+ {1 D# G& J
V2 Y; y% _8 i7 _9 Nprocedure SendHokKey;stdcall;
! U, K {6 ^7 W$ T3 vvar
, m; y* Y0 w5 y* H+ PHDesk_WL: HDESK; " K' P% l; U% K
begin
" s5 z% O3 a' b# A) m$ {HDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK); 2 Z0 a9 V& y, b
if (HDesk_WL <> 0) then
3 q/ t+ b5 }6 X3 s, Y$ Uif (SetThreadDesktop (HDesk_WL) = True) then
# N7 z8 {9 Y4 {! _% d7 B( s1 ?- mPostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE));
4 f% M6 }: l0 v% w% ]) Vend;
* J: G; U; l' v9 E% i) E! o ?, p1 o4 O6 z& ?( j% {+ q/ L t
procedure TFrmMain.Button1Click(Sender: TObject); + L G$ `& w' ~, j2 D, m
var
- u( `( J' c! M+ {7 KdwThreadID : DWORD; 7 ~' G7 Y" Y Y! |
begin / j7 P N6 H+ I* q1 H$ |% ]7 i5 \
CreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID);
+ H: g% g v0 ? W# ~$ c) ~& t4 E4 E7 mend; ) u% y: p6 D* J! S/ O
f8 M& f7 | x7 e6 u/ C
end.
+ Y& a" [5 R/ k
' Y- ^) p1 o* f, w8 E1 U6 \% u% q' |* k* V, C3 l9 B3 w
补充:
+ e5 L% o% Q& r* u7 |(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. 1 [ T0 i. l i5 s: G+ i
5 q; U/ x' K' D$ y
(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. ' l& ]$ O0 p5 |' o9 w% Q# y$ R G
! a2 U9 o+ j) X8 g5 f9 x/ F
(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:
$ {( {' n) M1 }1 h, n% L6 }unit ServiceDesktop;
) R1 U/ `! z: X
- j% d/ }: X N* W3 _; binterface ; E' X5 H* k- g; d# |
# y E' J8 t& ufunction InitServiceDesktop: boolean;
3 C Z: [; W# v# u! ?$ o3 Wprocedure DoneServiceDeskTop;
0 S6 l$ E, c+ x6 Y8 l9 A
, n/ [. U8 U# L. t6 G: dimplementation
Y) S% }' c$ |( e; b
( u1 |' F s1 I6 y9 `0 xuses Windows, SysUtils; - t. e# M9 J) X) U) R5 _1 |) Q4 z
7 U' X2 f- D7 u/ N% Y* n: I
const 8 H6 p! ?$ N0 t: r4 f3 I. T9 A
DefaultWindowStation = 'WinSta0';
h( q6 ^" u- n' K& QDefaultDesktop = 'Default'; 2 i$ H8 S. D+ F1 D7 t8 ]
var
5 |+ }0 m5 Q- b7 v; Q: O+ Y: s9 nhwinstaSave: HWINSTA;
- X8 B6 y$ ]( b+ u" X0 y* Q! XhdeskSave: HDESK;
% i0 T& d) Q& V& g( F4 y* `hwinstaUser: HWINSTA; 5 p( S! `! `0 b! G! X
hdeskUser: HDESK;
* @0 W) L% D% qfunction InitServiceDesktop: boolean; : |5 z5 n1 M; m7 Y \
var
$ S; O5 ^& k! u: i! ^: ]6 ldwThreadId: DWORD; * G! X. l+ ]& |: s' ?
begin
8 ~ Z! r) A5 h: ]7 E+ @( sdwThreadId := GetCurrentThreadID; ]- L8 [/ V2 Z- _
// Ensure connection to service window station and desktop, and
$ l% L d" K) ~5 [9 N// save their handles. 3 T0 R. ]5 A3 f7 P* H6 C! }& b
hwinstaSave := GetProcessWindowStation;
" k7 W2 n; s; IhdeskSave := GetThreadDesktop(dwThreadId);
* c- p7 b& f# T, p5 t1 `
8 m4 P! Y( @8 w6 A% d2 [+ {6 C, w/ l& W" u" f0 V
hwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED);
5 ~+ y L% V/ }( Lif hwinstaUser = 0 then 7 ~" I, w' w) w$ V. _7 r" R# G
begin
. E1 S$ N4 U, MOutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError)));
" ?% t0 e: n3 {' `/ {# f. iResult := false; 3 X# a3 X1 r1 e8 v' e
exit;
; j6 Z, w* _1 n. ~" H7 H4 Lend;
0 y N& l$ Z# Q) T. h; U& Z! \* H, y$ \. _6 ?+ G3 I
if not SetProcessWindowStation(hwinstaUser) then
" L, N1 |( I& B; G3 B b7 o3 dbegin
: h- F$ N8 _5 k, oOutputDebugString('SetProcessWindowStation failed'); " f. \ |9 Q3 a; u
Result := false;
' @$ H' g8 ~1 M- ^2 z8 Qexit; 0 p6 M( w# k6 O! ?! ~# F4 n
end;
, q. [1 A2 G8 K8 V$ a7 t. o5 O1 X& e( K
hdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED); # L" }! X( ?4 r) v8 M: I
if hdeskUser = 0 then ' \6 O* E6 I5 S: H9 s4 D9 F
begin
- X. e) N, K3 O% t! l) gOutputDebugString('OpenDesktop failed'); 4 F) H6 L. k( `: Q5 P( B
SetProcessWindowStation(hwinstaSave);
]4 H2 Y+ r1 I" P9 KCloseWindowStation(hwinstaUser); ' t9 g4 ? C+ _+ ?4 q: ~
Result := false;
! Z9 ^) \2 ^4 o$ Cexit; 1 g3 }2 b- ~5 W! r. K/ L. `+ Q
end;
% k: [/ g: y6 q: [Result := SetThreadDesktop(hdeskUser); 0 t" Z9 h. `/ f* T
if not Result then ) Y5 U5 Z0 A* d. Y4 r
OutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError))); ) Z- O$ B! \# a4 f9 B
end; ) d8 [! X4 l2 ^: G, c% Z4 s7 r
0 b7 T5 j$ z" ^2 k
procedure DoneServiceDeskTop;
5 o+ D' d: z* `( [2 dbegin
* [5 _/ J9 Q1 i6 {) j// Restore window station and desktop.
, d0 V+ l4 z9 g6 s6 D3 ?9 | c% HSetThreadDesktop(hdeskSave);
* h7 H3 X, `1 u+ VSetProcessWindowStation(hwinstaSave); 3 L+ |. V$ {9 z
if hwinstaUser <> 0 then * z4 ?* q- }4 b' X* k9 l
CloseWindowStation(hwinstaUser);
6 `& _* C$ K3 p2 A- Mif hdeskUser <> 0 then - ^, e7 W" i7 {! ^4 J" q: r5 ~
CloseDesktop(hdeskUser); ( B+ |" `, g* f0 [* I" L0 O4 g, J# {
end; , |' U# @* K) A! F' r' w2 ~
6 T2 x9 p5 l$ H$ b J3 H- x
initialization & n: Y8 K/ a6 J7 T& u
InitServiceDesktop; ! [, d! z! l# W% `+ t3 ?8 T
finalization * p* L) ]5 P8 N
DoneServiceDesktop;
9 U1 n5 Y) [9 ^- B' Q. pend.
- D; a+ R' P# ^3 j6 Q更详细的演示代码请参看:http://www.torry.net/samples/samples/os/isarticle.zip 9 @: H' D1 h/ s4 } k% Y
- d0 B- U1 K0 p# \(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:
6 o% z- D6 j6 U# c
" y8 a7 \ X4 e1 w" q) Hunit WinSvcEx;
4 A- e5 ^% k6 N+ J0 d& H* P; E: p7 Q) } J/ i( H9 X
interface $ p) Z% V& ?7 ^
9 z r# Y c% K% v
uses Windows, WinSvc;
- O+ @4 @0 n; l x% N
8 z/ x4 x! C" [' F) p0 t2 P2 Fconst
3 r+ T1 `' L. O+ ~" x( L# n//
2 ^6 M! ^7 n1 {0 l# X* d' J' k& u+ w// Service config info levels M+ O, v0 b. `# @' q
//
9 ~- `+ y q: i8 ]1 b& hSERVICE_CONFIG_DESCRIPTION = 1; # A' K) ^1 s& w; ]
SERVICE_CONFIG_FAILURE_ACTIONS = 2; |
zan
|