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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. . G) b3 \% A/ B' D$ K7 N5 @
(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 ^0 d6 w8 o& X+ f3 x3 E( x' l! q9 V$ ^0 m' W5 p
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.
) g1 [* |7 a, w# w* k9 i 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:
7 a2 i4 C1 B* u, i% t" V: G; m6 {# a3 x: e$ V
(1)DisplayName:服务的显示名称
. A* W2 H8 u; H (2)Name:服务名称. / f* ?. O6 i7 x5 c9 ^7 P5 s
c8 ^9 j3 ~, q. A" f
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. + N1 X/ E4 a# q. S
1 ^; |3 I2 V$ e' V* a) E, m 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. ) M. d3 t. ?& U$ }& ^* \" u
1 [) R( B6 @7 @4 h; s1 y1 C
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.
: S0 H$ Y1 p, i
$ T/ K/ E1 \; d0 P. ~9 X/ M j 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 v! h* A! d- }, d4 n' T/ A
: R* d$ o# x" j
' Q1 f+ B, x( o9 |. a$ Nunit Unit_Main; ; k3 _" X9 Z( [% E: j
- q) f+ k0 k" c4 C/ R+ j$ D% Ainterface / l8 |2 D* S' P" m/ b/ ?
: K$ H- b! _' w; E0 V+ \ Guses
2 [: d8 X9 B2 L s/ pWindows, Messages, SysUtils, Classes, Graphics, Controls, SvcMgr, Dialogs, Unit_FrmMain;
# u( Q: a7 ] T/ P5 L9 N5 d
2 i# I& y6 Q" U. K4 z0 @: o/ stype + \! o. j. T" B
TDelphiService = class(TService) + s* F$ o7 q2 T& H# q
procedure ServiceContinue(Sender: TService; var Continued: Boolean);
+ ?6 Z& p2 D+ c% Uprocedure ServiceExecute(Sender: TService); & H. W2 \/ x9 E% K; }& Y
procedure ServicePause(Sender: TService; var Paused: Boolean); 0 S7 n- w* D _
procedure ServiceShutdown(Sender: TService);
( r. S( w6 p: V: Q9 o, u+ ], `procedure ServiceStart(Sender: TService; var Started: Boolean);
& a3 p+ q' y$ e; I3 G/ O# j: _procedure ServiceStop(Sender: TService; var Stopped: Boolean); * H9 A5 h7 @+ Y; n7 `( F
private 8 P) _2 W# i4 R* k+ I
{ Private declarations } / u) G4 k% T, W) s# G3 V% V
public 0 a+ K3 K" U' j# a, x: u8 d" z
function GetServiceController: TServiceController; override; 2 M& u# h0 z$ z" v8 U Z) X
{ Public declarations } $ [/ p% ^" f1 t( S% Q6 Z( k+ M
end; 8 r, t& `. o$ i5 Q) d! ]" {
- O/ u1 z i. d: B9 s) r3 V. T: }
var
2 }6 ?$ U( [2 Q1 `& }6 \* lDelphiService: TDelphiService; 0 w( B8 x* {- `- _
FrmMain: TFrmMain;
6 ~3 h+ W. g. yimplementation 7 ]! N$ k) s% C- ^+ i
$ B: R' y$ m x" R{$R *.DFM}
1 Y* k9 |5 E3 c |% S3 x- @% `6 V. e" \$ w0 N) J' ?0 t: H+ C( M6 @
procedure ServiceController(CtrlCode: DWord); stdcall;
, j# q, y, D( y o6 f! dbegin
4 c, R0 ]* u C5 X& GDelphiService.Controller(CtrlCode); * ?- z8 _ w* H3 }+ x( @
end;
+ {: ?3 T$ g9 T+ z7 X0 h _
- K; U* @! Z6 H2 ufunction TDelphiService.GetServiceController: TServiceController;
- O) h) F: l; Y( j& cbegin : q- Q( A+ a. _2 r
Result := ServiceController; * `, N, P6 o3 T
end;
* s8 `$ X# M0 n9 i; C( Q ]6 f. b+ b( S6 s2 a
procedure TDelphiService.ServiceContinue(Sender: TService; / c0 j, D! c3 a9 s9 t) G2 h
var Continued: Boolean);
! o3 G4 x9 G9 q% b' a. xbegin
% [& h$ w3 U. }3 z7 G7 R# D. d7 mwhile not Terminated do
+ {' P' f& x C6 s; W* M1 @: ubegin
1 F' a% S# F2 k2 ?. T" R5 Z0 }8 uSleep(10); & L5 N$ L5 D R1 Q3 |2 j7 L3 O
ServiceThread.ProcessRequests(False); 9 ]( }7 ~0 T0 V# ~
end; , B: e$ g& E" q- Y+ Q' S
end; # v* u) E e' k4 A1 B3 h( n! m
5 c1 r, |4 U, o3 v( J
procedure TDelphiService.ServiceExecute(Sender: TService); ; T7 }1 R8 \- J' C- X7 M5 n
begin 7 p$ `/ O; f" e( r) U% u
while not Terminated do
* R% ^- V/ L: H6 n8 J$ ebegin
: t0 X) C/ I% a; q. g0 {7 hSleep(10); ! U0 a/ w( @1 k) j3 I
ServiceThread.ProcessRequests(False); ! D! t7 V- [6 x8 [) G
end; - O( k) j2 O0 A# j2 R" w4 a
end; 4 S# B: j M/ U) C: }( x" u
' A( n& W3 y3 A6 Pprocedure TDelphiService.ServicePause(Sender: TService; , A; X* ]2 X+ C2 K
var Paused: Boolean); U3 b9 G, h4 E1 `8 z. p8 W9 C, t
begin
% _0 \ q" _. e: |" wPaused := True; 3 a3 p3 F/ F2 v3 b. m' Z
end; ( y7 B+ q2 g, ~
4 E. m. A4 r/ ]" s( W/ j) }" x4 [
procedure TDelphiService.ServiceShutdown(Sender: TService); * \1 _0 o8 `8 i0 x# o5 H
begin 4 @! z' V ` }
gbCanClose := true; 7 @, H9 T3 n G1 D/ R: Z& K
FrmMain.Free;
4 G! n" Z$ f" O! A* r, r r" lStatus := csStopped;
2 }! ^- F4 v) g, n# S) Z; LReportStatus(); : T1 s* U. E3 L9 w5 b0 w# M
end; ) \/ t8 [9 f$ l' P
& D, S9 g; c# k* uprocedure TDelphiService.ServiceStart(Sender: TService; / z4 b3 f8 V# _* Z0 F" l
var Started: Boolean);
" [2 [. y3 g7 }5 r5 K5 zbegin % }+ ?( m+ T" f: D8 s' B
Started := True;
) x+ k4 M- l' e9 eSvcmgr.Application.CreateForm(TFrmMain, FrmMain); + [4 ]4 e- N6 k6 v2 X3 S- G
gbCanClose := False; - N; ?7 {, [1 D( b/ R3 M
FrmMain.Hide; 5 @( y8 X1 p( B* P
end;
. [. ~9 G8 j7 {) o$ E9 ] W( q5 L3 d3 \) a2 g+ z+ Q
procedure TDelphiService.ServiceStop(Sender: TService; , l! r: @( p1 T+ F) x
var Stopped: Boolean); ( ?" i- B/ S1 p0 o. u
begin : e5 q; N7 E" e3 r- q& a1 h! l5 ]! H
Stopped := True;
( w/ ^. Y/ X1 ?" B( j5 Y* tgbCanClose := True;
; T* w0 Y1 M+ o, vFrmMain.Free; # }: A- q' F8 h& W! j9 q/ ?6 S' Y
end;
1 X9 q$ L, j; w: f; \! z- H- d$ h7 B
9 S. l" P5 d; @6 f8 L9 N' U+ P4 r m) tend.
8 K+ N8 P8 x' d/ Z8 A2 F0 i( |) X8 b- x8 p6 s$ v
0 W; G% e7 F% m: w; e m主窗口单元如下: 1 V* k3 Y+ t+ x; ?
' Q1 v. x) j5 l$ F; n r
unit Unit_FrmMain; ; }' F/ P9 B9 @4 v$ o M5 T
6 g( B/ o$ a# _8 Y \; M7 Tinterface
/ v/ B' i% m1 F" r- j) m8 A# {
uses $ ~: T" c: R& V6 |( p; Q
Windows, Messages, SysUtils, Variants, Classes, ShellApi, Graphics, Controls, Forms,
2 s' U6 h$ ]1 }! s8 b5 qDialogs, ExtCtrls, StdCtrls; 5 m0 m/ f1 y% @0 u. f% u1 Z
" e) O8 V1 ]2 ], L5 ]
const
( y! }( k# ?0 v, jWM_TrayIcon = WM_USER + 1234;
: b. O0 a6 D. H5 ^3 G+ Q8 y) ltype
9 D( A% ]$ N. \* a" `TFrmMain = class(TForm)
& \% a' Q% u8 a5 A) l, [+ J( bTimer1: TTimer; # F* h$ e+ \% t* L# H! b# l' L' V
Button1: TButton; , O! E8 t( Q; l E
procedure FormCreate(Sender: TObject); 4 M$ z0 w+ d# B& T
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean); 9 E% |; U) Y* K) r" f- l: m! C
procedure FormDestroy(Sender: TObject);
- z: @( Y6 J* zprocedure Timer1Timer(Sender: TObject);
: q7 V, M: X4 h/ Q. `, t W5 q7 Yprocedure Button1Click(Sender: TObject);
# E, \& d4 h3 |/ ^2 a2 nprivate
3 O% N( U) `4 G# e2 k{ Private declarations } W' e8 H: V1 s. v5 k/ i
IconData: TNotifyIconData; & f4 E! f( }: X$ f. M
procedure AddIconToTray;
6 x3 V4 J, s1 A* z" B/ ]8 g/ dprocedure DelIconFromTray; 9 _ \ I7 @# L4 [6 A- {& @9 H$ P
procedure TrayIconMessage(var Msg: TMessage); message WM_TrayIcon;
% R7 ^; G" n* S8 P% b; @4 ^. P8 ^procedure SysButtonMsg(var Msg: TMessage); message WM_SYSCOMMAND; ( q0 \3 J5 ^8 _' h( a7 |
public
5 z- l. ]2 ]- c6 @{ Public declarations }
* _8 d/ A& \; F; G& b* l4 uend;
, e( _6 u' _2 E* e, L
2 U. P9 p7 ~6 g" d, m0 p* c3 _var ; ]. p" y1 H" \- {
FrmMain: TFrmMain; ) z1 C3 F; A% E9 {+ V
gbCanClose: Boolean;
. B$ J. r; M. _) `implementation ; |3 ], [! n" c, K, n8 S# G
- g3 d; H C2 Z s$ Q, D+ m
{$R *.dfm}
' J5 P. P; N$ M( ^* }" W8 L8 J W9 }- Y! C: K
procedure TFrmMain.FormCreate(Sender: TObject);
* i% q, f+ p+ f5 u' ^begin
) R$ s; j! `- D7 H2 bFormStyle := fsStayOnTop; / i) W3 N3 n! ?9 B! |
SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
V. `9 Q1 X( I2 ^- j) egbCanClose := False;
6 g* N& H+ |+ I" g! |( N1 zTimer1.Interval := 1000; . G- K. G- z4 k& H
Timer1.Enabled := True;
3 Q- y% e( d# X2 ^& Jend;
1 A1 W( i8 M4 P8 J" a( a! F
$ B8 H" a+ |6 p% h6 \! `" Hprocedure TFrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
% n3 H% ]" \) Q* Ibegin
) v% m5 t% W4 N; r6 TCanClose := gbCanClose;
$ ^- [4 x% ]; P' h. d6 jif not CanClose then / m/ S d: r2 G
begin 4 |* t* R4 z7 x/ J8 k9 ?" r
Hide;
# l9 a. B O% G" F, a4 o& `6 W6 Rend;
; w+ F+ Z+ ~8 I( s' V5 W: vend;
$ C# p+ f! ?, y* P( u% c
# m+ A6 h4 _' ?6 S' W- @procedure TFrmMain.FormDestroy(Sender: TObject);
8 X2 u2 {" s$ `8 ]$ }6 N4 Dbegin
1 K: t$ C" B1 @+ l; O1 _$ lTimer1.Enabled := False; 8 e# _* w* |5 C4 \0 w5 i
DelIconFromTray; 4 q7 h* J0 f6 a U* Z- c1 s# a% ~( p
end; 7 L+ a- z# m+ A' y
6 C# C8 G; z" @) [' {+ c+ n3 \procedure TFrmMain.AddIconToTray; % C1 x) c6 f3 ]' p
begin
; X: I1 w8 o. j! w$ OZeroMemory(@IconData, SizeOf(TNotifyIconData));
+ h5 A* @1 ~$ s/ O2 zIconData.cbSize := SizeOf(TNotifyIconData); $ ?- x7 b; n" V1 W
IconData.Wnd := Handle;
; m( |7 z5 J+ [' ]0 v; W) oIconData.uID := 1; 3 w4 z$ Z1 V$ E, f
IconData.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP;
/ |8 \3 z8 ~* i" s6 [* DIconData.uCallbackMessage := WM_TrayIcon;
! i6 g2 t* I6 e4 W6 A% XIconData.hIcon := Application.Icon.Handle; 7 [ I8 J$ Q: _3 ^+ a/ A
IconData.szTip := 'Delphi服务演示程序'; f( G4 N; L8 u5 |/ o! z. Q
Shell_NotifyIcon(NIM_ADD, @IconData); ! z" l* E% c5 f, n
end;
6 E& j9 j' t- @/ h. n. D) ? {6 f- K# {. x/ D# k& n9 @( Y
procedure TFrmMain.DelIconFromTray; ( x/ n* m2 ?0 J4 ?* Z/ U! m) R! N1 \
begin
7 j# P. T5 e$ @) ~Shell_NotifyIcon(NIM_DELETE, @IconData);
8 O" X8 T' d5 r D$ `& Cend;
, i: p4 S9 \* k1 h) e3 ^
4 B o0 m& z( h, ?% bprocedure TFrmMain.SysButtonMsg(var Msg: TMessage); . I6 ~) @; {9 p% s$ x" p
begin P! M( k* d+ ? x: j8 W4 C& ?0 }1 {8 q
if (Msg.wParam = SC_CLOSE) or
1 p$ G/ S/ E8 J; y. ~- }(Msg.wParam = SC_MINIMIZE) then Hide 3 `9 [+ R7 d. a2 y9 r$ ?+ h/ w" M
else inherited; // 执行默认动作 & U' _1 a" N/ N/ ^, e! E
end; " L" R0 U3 \1 l6 Y1 C+ N
2 }2 c8 @& D o
procedure TFrmMain.TrayIconMessage(var Msg: TMessage);
/ ?' c. ?" ~2 |! {$ x& x7 [begin
8 ?) k- ]1 m) M- d/ A9 kif (Msg.LParam = WM_LBUTTONDBLCLK) then Show(); n8 V3 e; k; I0 p3 y
end;
& k8 L' r2 U7 p0 p: e: A! h! F3 J) {" Q3 f4 d3 |" H6 ]' D
procedure TFrmMain.Timer1Timer(Sender: TObject);
9 O) P9 N* Y2 k+ fbegin ( L2 G, ? X. a! x
AddIconToTray; 8 k; K5 S" X, G9 z1 n( Z
end;
7 Z) ]* c8 W$ L
7 r5 \7 }" o3 f/ n! Lprocedure SendHokKey;stdcall;
6 e) T9 J, z- _& u$ L& Fvar
6 E x: a' |3 P/ |# ^HDesk_WL: HDESK;
: [" O7 D: |: t, u2 R! ]begin V# w, S+ y, G; Q: w: N" [
HDesk_WL := OpenDesktop ('Winlogon', 0, False, DESKTOP_JOURNALPLAYBACK); . H% Q# r" b4 H
if (HDesk_WL <> 0) then . \, Z) |" y0 P& P6 P6 G0 g9 V! ?! P
if (SetThreadDesktop (HDesk_WL) = True) then
9 `# F9 {7 A& L2 L" U( x! b. d7 k7 CPostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG (MOD_ALT or MOD_CONTROL, VK_DELETE));
- Y# C( T- F! j& C2 n8 Uend; 5 `, w9 u1 l, M2 y* W: W0 w/ k
2 _/ |) L! P) u5 W1 [8 Jprocedure TFrmMain.Button1Click(Sender: TObject); 7 @1 K7 _5 ~5 H& f) x2 Q
var 6 v% C! ~' Y' Q% o6 r) c
dwThreadID : DWORD;
! ?3 _# B; b' M( N( Lbegin
) a; m$ r7 t7 U0 S( X1 T" LCreateThread(nil, 0, @SendHokKey, nil, 0, dwThreadID);
$ y( a) P1 x/ l) Nend; 8 C1 T7 t9 f+ o& S
6 C/ B" a$ Y( m) n
end.
# \/ B6 ^$ E6 _- U: |" d7 ~- A2 f; Q! X3 m4 v3 R" G
' N/ i7 t- A' @4 v9 @8 W' c补充: ~+ B# g3 w' A" ?8 k# G- S( t9 {. ]
(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. ) V: I2 @2 k; x: w
! ~8 r; L" {6 p+ a- H6 n* R
(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 H% I% G7 b- x, R
6 M: }6 H, _/ X, {! L(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: ( F$ U9 Z) H- O- K& M- P2 b
unit ServiceDesktop; & S' T6 v1 e: ]8 `2 L7 n$ c9 v, \
: Z' O9 V5 T+ L! S- h R$ j* f4 S
interface ) W8 Y4 T: y U# f* \( c1 n
* U1 C5 v! s* ] V% V0 R% a: G$ d/ Rfunction InitServiceDesktop: boolean;
8 I2 t Y* _5 ~: @8 X) E0 gprocedure DoneServiceDeskTop; ) r4 o* M; T* D' y' G4 E
8 z' o- V% |% e8 E
implementation " M2 P1 ?) u9 P1 c2 d- N) _* n! Y
7 B2 ?1 S5 W+ I* t
uses Windows, SysUtils;
5 |; P% E9 \2 w9 N* r) Z) K9 D1 `) J) C4 V+ D8 v7 u$ k
const ! V* P1 j# t! F& B
DefaultWindowStation = 'WinSta0'; % M/ v& O) B9 m
DefaultDesktop = 'Default'; ( q& i) ]/ k3 ` T+ y$ J4 k
var ' A5 T" P7 M8 L2 d3 K9 G
hwinstaSave: HWINSTA;
6 g, \7 b% R6 X! i' EhdeskSave: HDESK;
- b# U g0 ^' X8 ]& _! rhwinstaUser: HWINSTA; 0 J6 P) B* Y' e: t
hdeskUser: HDESK;
4 |/ J3 L( Z D; L7 n' i" i9 yfunction InitServiceDesktop: boolean;
' ?" |; M( e9 Wvar
7 n4 e2 j8 P+ O) IdwThreadId: DWORD;
9 _3 ~3 r7 X8 `' M, K7 cbegin
. l3 Z/ O( G/ c( z9 FdwThreadId := GetCurrentThreadID;
! R0 R. m4 T! h* H& \8 o// Ensure connection to service window station and desktop, and 9 P, w" m/ ?6 z
// save their handles.
2 B4 C) R5 s% S& Q1 k, BhwinstaSave := GetProcessWindowStation;
* G0 y/ Z( |. F* |hdeskSave := GetThreadDesktop(dwThreadId);
0 u$ q I* j$ ~% N q% N% r# G. q. V6 d# S/ C
5 H4 G& d5 l: V& X" W: o, \$ u2 c
hwinstaUser := OpenWindowStation(DefaultWindowStation, FALSE, MAXIMUM_ALLOWED);
A3 R) g# [ y6 {5 a; b" lif hwinstaUser = 0 then
% t/ n, F& g3 b7 f+ a2 l8 ?begin
8 I: J! d A; ^, Y, Q1 oOutputDebugString(PChar('OpenWindowStation failed' + SysErrorMessage(GetLastError))); # Z' ?0 E/ p: v1 f2 G: X
Result := false; ' D: {( v" n4 D f4 x9 l
exit;
# r! e7 [/ V/ D$ c0 I) _end;
, t0 Y* S: c2 ?( b' x# B) T
* ]. K# I8 j( v( C& J- N7 yif not SetProcessWindowStation(hwinstaUser) then
( ~3 q; H, G" N _% J. ]& Bbegin $ y& A% ^# x- L8 }2 f
OutputDebugString('SetProcessWindowStation failed'); 5 O4 _0 D2 |0 p- M0 G+ E
Result := false; . e ?# d. s- T5 V; u3 { H5 K
exit;
: k3 p* C! S$ i0 K7 ~end; * E, O. I3 u- L; c: H$ x4 A2 t& L
' S4 @$ {9 j' H9 ihdeskUser := OpenDesktop(DefaultDesktop, 0, FALSE, MAXIMUM_ALLOWED);
) @; y% I9 i2 s# U$ i# t, s4 C Oif hdeskUser = 0 then
& N" A/ ]) W8 D) l# `' g/ A- tbegin , s" n, q. K8 d
OutputDebugString('OpenDesktop failed');
! x- A. {; \" X" G8 U- dSetProcessWindowStation(hwinstaSave); : O( S% i' q- |5 i* r5 @1 X" [
CloseWindowStation(hwinstaUser); " h% X' C8 {* |2 ~; u1 n2 n( h6 U
Result := false;
- W$ j* y+ D. y) Nexit;
4 f) i: B: m+ Nend; # q% {5 G5 K* T
Result := SetThreadDesktop(hdeskUser);
( `6 B4 N7 c6 H% @; _if not Result then ' f0 a, f8 [" D6 t l
OutputDebugString(PChar('SetThreadDesktop' + SysErrorMessage(GetLastError))); 5 Y+ b# |( ^6 d& G
end; : O% U+ k+ \( a
+ T; P# r/ L/ Q, _procedure DoneServiceDeskTop;
. S3 z* d1 U$ \/ {% R) D+ b6 G3 x+ Cbegin ; m z/ u+ u# c# Q! M
// Restore window station and desktop. + v1 ^9 r, E* J6 n0 F7 H3 i; O, x+ D
SetThreadDesktop(hdeskSave); 3 i7 o$ E N9 l' U) C
SetProcessWindowStation(hwinstaSave); 5 L0 V c2 A# I
if hwinstaUser <> 0 then 4 w! x5 H* L/ E% ?2 C
CloseWindowStation(hwinstaUser); ) s+ }3 ~; A* a/ [. o7 Q! j
if hdeskUser <> 0 then & N) N" H! }. u9 u
CloseDesktop(hdeskUser);
% n! t- a; i0 Iend;
; u9 W) I, J; R# a3 B% ~" Z2 y, T. M* B0 o) m+ o8 o) Z1 |
initialization ! S: _5 l6 e2 a
InitServiceDesktop;
- e3 m: _% x. Y7 Hfinalization 9 j1 Y, {, r: _2 x7 a8 o: V
DoneServiceDesktop;
4 ]6 U' G8 }2 N5 ^7 [' c5 ~end.
# W, |# U4 s- n" f4 Q更详细的演示代码请参看:http://www.torry.net/samples/samples/os/isarticle.zip
, t4 s6 A4 R. M( j
* h0 s9 m- g. s4 K! O! G(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:
" w" Q: b& Z) O2 v" J4 \2 k/ i
" G' O9 U$ p* i% d! m( Y6 b! tunit WinSvcEx; # G; A1 c0 s6 v. n( K# l# Q# j
) q& K/ o! K0 i" g
interface ) S/ [+ m$ B: ^5 n* r/ p
0 F) Z* J5 l' L( M; q" T6 puses Windows, WinSvc;
* l( Q; w1 i1 r' m" U: t* P7 u* f! x2 b8 J: p
const 5 W: U _3 o3 O0 [- U
// 3 O0 T7 ^: O9 N/ B' M
// Service config info levels
2 M& X0 f3 I5 [! L2 A7 i//
8 f F3 _8 g7 |- [+ A9 k6 H' B3 HSERVICE_CONFIG_DESCRIPTION = 1;
) E% y. ]; ~3 a) X5 J# ESERVICE_CONFIG_FAILURE_ACTIONS = 2; |
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