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TA的每日心情 | 奋斗 2024-6-23 05:14 |
|---|
签到天数: 1043 天 [LV.10]以坛为家III
 群组: 万里江山 群组: sas讨论小组 群组: 长盛证券理财有限公司 群组: C 语言讨论组 群组: Matlab讨论组 |
< >implementation</P>$ C! n7 U( Z4 J/ A. h& X
< >uses IniOper, TMain;
. _: M* | @8 {6 A( N4 ?//-----------------------------------------------------------------
9 R# u7 i) t4 C0 Ltype& H; h$ m; w+ u0 Z/ Z( Z
LPByte=PByte;
& b$ F9 `2 @% r) j3 e PKBDLLHOOKSTRUCT =^KBDLLHOOKSTRUCT;, @# C* @7 j1 o' @/ z2 j
KBDLLHOOKSTRUCT=record
. x: y* s3 y) r' t vkCode: DWORD;! Y0 g% m. i, G* @6 H0 g
scanCode WORD;
6 K8 a- Z/ r: ] flags WORD;
" N: n* l% k% x8 d+ l time WORD;( ?4 _8 h+ G F4 _4 [5 F9 v4 e6 |
dwExtraInfDWORD;
) R, l4 s2 e8 P/ Q: n& { end;# ?# B) ]: J! Z, b! T" B9 V$ x5 Y
const
0 F2 l: ]8 C; |* K8 d% ? LLKHF_ALTDOWN=KF_ALTDOWN shr 8;
8 W/ G- o5 j, n9 ?' a3 L; y5 D: G( y WH_KEYBOARD_LL=13;
9 P8 s( k: J( D3 m) G4 T* svar x8 v/ w0 g: Q- n$ X
hhkNTKeyboard: HHOOK;7 r" V( x' p l7 ^0 t% x
function TSysOper.GetWinVer:Byte;//获取windows操作系统的版本- q5 b$ p7 G* w4 q/ o7 M- ^. _
var
+ s0 s2 A: O5 F. ^5 O$ a OS:TOSVersionInfo;
( F) }) D9 O9 t6 w, B/ C- E2 X6 Cbegin
8 v5 ]/ M4 C/ l# B Result:=0;
( _4 I# D, K* S OS.dwOSVersionInfoSize:=SizeOf(TOSVersionInfo);
& e1 X, h" a* C$ T4 l1 H( M5 W GetVersionEx(OS);
; u0 n6 X: F' W; C4 W( z3 g case OS.dwPlatformId of
. p5 n) n% k; V: ], X6 O% n* Q VER_PLATFORM_WIN32s : Result:=0;//Windows 3.1x/32s P8 ]- m7 w2 G0 a/ P
VER_PLATFORM_WIN32_WINDOWS : Result:=1;//Windows95
3 S# M U: M6 R/ B) }! _. ^ VER_PLATFORM_WIN32_NT : Result:=2;//Windows NT
* l1 E1 o; s3 p0 J9 g4 F( ~ end;( W+ n; D+ Z: R; B8 ^* N
end;% s* G8 m y- q6 F5 U! a. J$ M
function LowLevelKeyboardFunc(nCode:Integer;w_Param:WPARAM;l_Param PARAM) RESULT;stdcall;
2 ?. E' b" n3 @var" Q4 w" n9 e0 O' G8 H5 q& V
blEatKeystroke:Boolean;' g1 O# [) j1 l& n% Z) O. H5 Z7 m
P KBDLLHOOKSTRUCT;
$ v3 X+ f6 k, M: C# J s9 Pbegin1 d1 t; @" R7 Q
blEatKeystroke:=false;
8 [/ e% q9 V8 U4 F* w if nCode=HC_ACTION then
3 y2 b9 K. A: ]" Z+ c" W/ @' W begin
, R' ]1 J" q. X case w_Param of2 i! I0 g# d& U& i9 B) e W+ S
WM_KEYDOWN,
; X, [' q" z$ `* e( w& a3 ^ WM_SYSKEYDOWN,
) G" {; R+ r/ L& i WM_KEYUP,1 \. ?/ i% @5 ?7 K0 z6 |
WM_SYSKEYUP:
% p- Z" T, y O* ^ begin
/ x d- O! n! U P:=PKBDLLHOOKSTRUCT(l_Param);
7 ]1 a7 N$ E% h, H' M) v blEatKeystroke:=(((p^.vkCode=VK_TAB) and
+ z& X( k3 O9 r0 m% z ((p^.flags and LLKHF_ALTDOWN)<>0)) or$ w) j+ C7 O+ d- ?
(p^.vkCode=VK_LWIN) or
/ |& ^7 I6 O6 G0 i (p^.vkCode=VK_RWIN) or
$ b) n' u$ s0 v0 E4 O6 E6 E. e ((p^.vkCode=VK_ESCAPE) and4 k1 U; M3 V- j$ |- F" u1 B* O
((p^.flags and LLKHF_ALTDOWN)<>0)) or
' S5 ^, v1 y3 O( f7 F1 h4 E ?4 E Z ((p^.vkCode=VK_ESCAPE) and* d4 p" I: m7 \3 l' H1 Q7 \
((GetKeyState(VK_CONTROL) and $8000)<>0)) or
3 Z& [' F5 W+ O+ r; B2 X7 {( b! } ((p^.vkCode=VK_DELETE) and
0 p# a) x1 u5 C. l ((p^.flags and LLKHF_ALTDOWN)<>0) and7 c) k$ D& g5 \
((GetKeyState(VK_CONTROL) and $8000)<>0)));1 r" k& R R$ u; u8 j' g p
end;8 D9 B5 s$ r# Q2 @8 ?5 R. |2 B
end;
0 i7 i8 H0 Q; q3 |9 \8 b1 U end;/ Y; R) E1 C! ?/ v% O
if blEatKeystroke then. {. x" l( E7 x2 y% H* a' D
begin/ v/ h$ B# t. h {
Result:=1;, X4 [. R" L5 S& j
end- H* o3 O) T& T n2 ? V
else
4 [6 X! ~; ?+ A, P# i Result:=CallNextHookEx(0,nCode,w_Param,l_Param);' T3 N# u" _5 C1 T- M5 C+ @3 k5 ~
end;</P>
" c# x# H1 z& t, W< >function TSysOper.LoadHook():Boolean;
4 y W2 V0 K) ?% K' m# Y. U- ` svar, w, B% X" ?5 E J9 P
Temp:Integer;
& A# O: ]: J: x" q# f5 Bbegin3 s: m. V% T; x k& m( A3 j G K& n
Result:=false;7 I3 x, l6 N- J a
if GetWinVer=2 then
2 U& ~9 H$ \$ X. G begin4 ^! s% @6 W+ U; h, @' Y0 Q" z
hhkNTKeyboard:= SetWindowsHookEx(WH_KEYBOARD_LL,LowLevelKeyboardFunc,HInstance,0);# D' T; J& w4 @: u t6 V/ y: D5 N
if hhkNTKeyboard=0 then. T5 ~) V4 ?3 c( J1 |6 ^9 D
Result:=false& S2 {! P4 e* G% o& K
else
2 k2 \7 v- z8 R( ^" {/ F5 o! J6 u. t Result:=true;
- \& m* T7 ^$ L+ K6 n4 \0 k. l end' i# |* A1 x" ?6 \* o
else
0 H7 e. a+ O- y# B/ n begin7 e2 E3 B2 ]/ g1 f( N7 P6 D0 O7 J
SystemParametersInfo(SPI_SCREENSAVERRUNNING,1,@Temp,1);
9 n* C7 e8 E3 w6 ~( { Result:=true;
, W' E" ~1 K2 K7 v& c# S; y end;3 X1 }! D" t1 ?8 U1 j/ s# C
end;</P> |
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