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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>2 X, ]5 ?% J' o6 Q
< >uses IniOper, TMain;$ U- l5 y; l, {8 H V2 d
//-----------------------------------------------------------------
! G6 w, _# G) d- M! Mtype% A& ~7 P+ o1 O+ R
LPByte=PByte;! I4 e' B( X; n; V; O( X0 i
PKBDLLHOOKSTRUCT =^KBDLLHOOKSTRUCT;
$ K5 s7 \9 [, n" f KBDLLHOOKSTRUCT=record$ O; q$ f+ b' k! `4 ^/ q
vkCode: DWORD;9 s% \! Q* t4 _8 X b9 a- S1 b( f
scanCode WORD;
6 p# _, b+ E8 |. Y flags WORD;
" m4 Y' t0 b* m time WORD;/ t: h6 t: q& k. K9 Z& [
dwExtraInfDWORD;" d) k1 _! ^! }- v' o
end;; j( R, b+ v8 T
const
3 W0 T8 h/ `' {0 x. z LLKHF_ALTDOWN=KF_ALTDOWN shr 8;2 E6 d7 u$ c# D) P* X+ k/ D) o
WH_KEYBOARD_LL=13;! R! N5 r6 v& H8 q% a
var+ J `) w y0 {7 [' G
hhkNTKeyboard: HHOOK;
z: N. R6 h2 k! }3 r0 D( Vfunction TSysOper.GetWinVer:Byte;//获取windows操作系统的版本* e+ `. i: m5 w, j% n3 c5 E# H2 t
var! }3 G! |6 w5 f! O6 t$ G8 }
OS:TOSVersionInfo;. ]8 L# |, o, V' j7 g
begin
. H" d" g5 w" l8 h Result:=0;% O# @0 N u4 X! p. t; l3 n# J
OS.dwOSVersionInfoSize:=SizeOf(TOSVersionInfo);/ T) l( d; q& e# ~6 A
GetVersionEx(OS);7 I. \$ m5 l+ G% r% U$ A5 I% w- h
case OS.dwPlatformId of
5 }& x; F( }6 x VER_PLATFORM_WIN32s : Result:=0;//Windows 3.1x/32s2 v4 ^% z, N6 O: S
VER_PLATFORM_WIN32_WINDOWS : Result:=1;//Windows95
# B& I, B7 r3 ] VER_PLATFORM_WIN32_NT : Result:=2;//Windows NT' s) M3 e1 ?) W1 O
end;* J, w. z5 d2 V: c1 O/ s
end;. r. K% K% [" | p9 j
function LowLevelKeyboardFunc(nCode:Integer;w_Param:WPARAM;l_Param PARAM) RESULT;stdcall;
# v- d8 S& |* m) x; ovar8 `4 w7 D" i7 j! N ^+ o
blEatKeystroke:Boolean;
4 U0 ^" S* e6 j. @2 W: f! n9 ? P KBDLLHOOKSTRUCT;
* ^# m% j4 i2 D& F( @begin! E" N7 ?2 ^ Q
blEatKeystroke:=false;( F2 {) @& g$ k5 V/ n, H9 [" g- L
if nCode=HC_ACTION then
/ L1 _! D! [9 S* I3 ` begin
/ `) W! g m% a9 ]5 O7 V) Q case w_Param of, f1 H$ w3 C: n- }8 v
WM_KEYDOWN, Q9 O6 `1 P- Y
WM_SYSKEYDOWN,9 W! E- `9 ~9 S* q% N" \2 e u
WM_KEYUP,
% l4 y0 p& ]% k+ O% I$ a* r WM_SYSKEYUP:
O7 H r0 d/ Y* n) j8 j3 E begin3 t9 K' D& A' ~. \2 P5 W
P:=PKBDLLHOOKSTRUCT(l_Param);4 ~% W( S1 X# p! B3 j
blEatKeystroke:=(((p^.vkCode=VK_TAB) and; L% |, ~( `6 f& v
((p^.flags and LLKHF_ALTDOWN)<>0)) or
8 }7 P" q' H5 q" \9 r$ _ (p^.vkCode=VK_LWIN) or
$ K% W' r- |, h9 d (p^.vkCode=VK_RWIN) or6 c" o0 z% P6 Y8 @7 A4 z+ R
((p^.vkCode=VK_ESCAPE) and% j l. x7 I* X
((p^.flags and LLKHF_ALTDOWN)<>0)) or7 F4 o& `0 \* D( }2 [7 z
((p^.vkCode=VK_ESCAPE) and; p3 ?( d# W$ o5 l( p6 s
((GetKeyState(VK_CONTROL) and $8000)<>0)) or. X) h- e ~5 G
((p^.vkCode=VK_DELETE) and5 b! v7 X+ B2 W- p( ]
((p^.flags and LLKHF_ALTDOWN)<>0) and
. L+ F4 D0 `2 R6 j8 x' F* d ((GetKeyState(VK_CONTROL) and $8000)<>0)));
D! s: ?9 n7 _ end;
! Z8 O$ G0 h/ M% e7 A end;9 L: j2 Q( j' n4 o- H
end;
. A% q( g6 A i3 \; S if blEatKeystroke then) @) n$ v* U9 s5 l8 |# P! }& @1 i; N
begin
! B7 P7 }3 z! _. c/ | Result:=1;; E( l! X0 g1 L% K% k
end
3 e" a8 y4 c6 V2 H m3 F else
8 L8 H9 P6 }) U3 v' E Result:=CallNextHookEx(0,nCode,w_Param,l_Param);
& ]8 {0 ]. e3 ^+ m2 z) J/ l8 h, C' @end;</P>
, v4 @+ g: O" `3 h9 H( ?$ j) D< >function TSysOper.LoadHook():Boolean;
8 G% J/ ~) `) k7 }' H( vvar
) D( J# T/ ~% ~* ]" m" }! N/ a Temp:Integer;
! ]2 z# |% \! K- I& H& o/ nbegin5 V9 a0 m) U: l7 q3 I: P% T
Result:=false;
6 K# b$ ], s- q% Y if GetWinVer=2 then/ Q% a! z) E8 z) x# u) }% N6 O
begin6 Y- V& z8 `# I# E
hhkNTKeyboard:= SetWindowsHookEx(WH_KEYBOARD_LL,LowLevelKeyboardFunc,HInstance,0);
5 ^! ]5 [- {: m9 w if hhkNTKeyboard=0 then
- D5 A& e: p5 [9 @( F Result:=false6 C+ v& E3 L; t8 a& v" c
else
a/ A! } z5 }' F: ?7 B Result:=true;
0 _- X3 p( h% k1 D/ V end
: ?9 {1 W9 p5 J& c8 I% d$ I else A+ l C! c3 q# U# V
begin: q6 K$ g. C6 E9 z5 b0 P
SystemParametersInfo(SPI_SCREENSAVERRUNNING,1,@Temp,1);
+ D4 I* }+ M- \+ S8 G Result:=true;
# E! n, g! p, e+ u& ~* w; t end;. D' Q$ c/ N5 X% C% O0 ?, \
end;</P> |
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