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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>
5 d& q$ v2 s0 _< >uses IniOper, TMain;
7 Q2 C' B9 Q; g# R//-----------------------------------------------------------------
: r. |6 ]. g8 [4 i) ytype- k( e; p; [ f' h) W
LPByte=PByte;
( F+ a& y m/ r9 I$ F4 l, ] PKBDLLHOOKSTRUCT =^KBDLLHOOKSTRUCT;& Y* S; Y& u, E9 W8 a5 F
KBDLLHOOKSTRUCT=record- m: ~6 w: F% B$ m: x- ]* `
vkCode: DWORD;
0 [8 V/ ~! u4 x0 ]3 n+ ]6 s scanCode WORD;9 J) J) B! P8 O: v1 C
flags WORD;
4 y2 ?# E: u Z1 Q/ i% L. r time WORD;: o2 L. a; P6 \# ?% U
dwExtraInfDWORD;
4 V. o, _* ?; B% J1 T end;
/ ^; r5 ~9 q* c" ]const
5 @8 E& K8 N( G$ v' ^) u, [( x9 G. ^ LLKHF_ALTDOWN=KF_ALTDOWN shr 8;
. Z$ l1 L" z4 S- U. y. d5 G8 u WH_KEYBOARD_LL=13;& e9 _$ I( _) c' \( N5 J
var
- x4 q$ e1 _+ d/ }1 w hhkNTKeyboard: HHOOK;$ C* U, @: Y3 I8 _+ V
function TSysOper.GetWinVer:Byte;//获取windows操作系统的版本 _/ a6 n+ h8 @, f
var
2 t( x) J" p! Y: w OS:TOSVersionInfo;
" _8 P* S# |; Z. u2 m5 i, ubegin
' Y( ~. [6 o- I6 Z Result:=0;
6 ?- @ g$ C( |; T) d4 @0 x/ a. D OS.dwOSVersionInfoSize:=SizeOf(TOSVersionInfo);: k4 g9 _( V% B! ]
GetVersionEx(OS);
- i( O! z S) i, U/ X6 C7 L& L case OS.dwPlatformId of/ o0 g0 q% E% z; R% K: L4 y3 q
VER_PLATFORM_WIN32s : Result:=0;//Windows 3.1x/32s
* y7 e! D/ ^+ F VER_PLATFORM_WIN32_WINDOWS : Result:=1;//Windows95
+ x! L0 R4 y7 H' }6 ^ VER_PLATFORM_WIN32_NT : Result:=2;//Windows NT
& |! R% R1 }# N- T+ Z% t9 E. U end;
8 o1 P9 o- ~6 F) X# Fend;) w# ^5 R' {! A! B9 s2 J5 G2 e
function LowLevelKeyboardFunc(nCode:Integer;w_Param:WPARAM;l_Param PARAM) RESULT;stdcall;1 ~7 f% j. J( X1 ^
var+ [! w, y: R% w# W# [" N! v7 F7 B! z. m7 \
blEatKeystroke:Boolean;
8 p8 f1 L, ~; k! ?- \8 p P KBDLLHOOKSTRUCT;9 i7 \8 x8 h7 V* l7 L
begin( ^! e7 o3 X4 G8 L, W5 t
blEatKeystroke:=false;7 G" f+ U5 W' \+ B" T
if nCode=HC_ACTION then
) m" W, U9 U5 r3 A$ h- }( J! K begin( u m1 t, U `6 x1 {
case w_Param of+ I1 {9 t% c3 l+ V5 T
WM_KEYDOWN,* F T+ A5 h9 Z, e$ q2 s. W$ R
WM_SYSKEYDOWN,- W1 q0 A/ s* G3 Y
WM_KEYUP,
0 Q5 ?) G% Y: `7 S( | WM_SYSKEYUP:
* A9 a2 d2 L1 Z! F$ L) |: x3 T5 [ begin3 z$ }8 ]: `- W- ~: @% Q
P:=PKBDLLHOOKSTRUCT(l_Param);/ T; y, o9 n+ V( p4 v1 _/ }9 [
blEatKeystroke:=(((p^.vkCode=VK_TAB) and; B' t4 m5 g! i7 E0 N1 Z
((p^.flags and LLKHF_ALTDOWN)<>0)) or9 N [6 x0 v* F2 z* i3 o
(p^.vkCode=VK_LWIN) or
8 I- e/ E; g+ B8 f( Z8 b2 J (p^.vkCode=VK_RWIN) or
" ]- N, V8 N! a ((p^.vkCode=VK_ESCAPE) and
! H, D! R- D/ B+ h ((p^.flags and LLKHF_ALTDOWN)<>0)) or' K" q) }+ c b, W
((p^.vkCode=VK_ESCAPE) and
8 m. C4 g( g- P1 |7 E* H$ l ((GetKeyState(VK_CONTROL) and $8000)<>0)) or
+ Y) ~: g1 x9 ~1 I }5 }- |! { ((p^.vkCode=VK_DELETE) and9 g u' v8 r. P
((p^.flags and LLKHF_ALTDOWN)<>0) and% N; e& M0 j6 |1 [* l
((GetKeyState(VK_CONTROL) and $8000)<>0))); a' M/ G5 j& M2 P- [& A9 z
end; u& A1 d g* A& V
end;3 r: V4 {/ }& E+ {( A! y
end;/ c8 c1 F0 H5 y. C; m; v# @
if blEatKeystroke then6 L2 x8 T9 l' U
begin
1 y* y/ _+ _, s6 } Result:=1;
. o% R" w7 A3 B! v) j% o- f6 t! | end
8 V/ w1 \5 Q3 M G else
) J5 e' A* w7 w5 U B. F1 L Result:=CallNextHookEx(0,nCode,w_Param,l_Param);
9 m+ |. L) r9 {9 m' V& ~end;</P>
/ d5 H9 ^( n# L9 g' L+ s# T3 I4 j< >function TSysOper.LoadHook():Boolean;9 f5 C2 N7 O% s7 l' j% ?
var
7 F f. I0 v; A Temp:Integer;0 r: l- \0 f0 f% H1 w
begin
7 t/ q: N+ T# Y6 x0 R Result:=false;
2 m9 r/ v: E) f. L9 o( j7 g R" y+ E if GetWinVer=2 then
2 J& o) w, L( {$ ]3 h D begin
! ]. k. R$ h* }, d: a hhkNTKeyboard:= SetWindowsHookEx(WH_KEYBOARD_LL,LowLevelKeyboardFunc,HInstance,0);
0 _. X+ q. P% V7 }1 ~ if hhkNTKeyboard=0 then0 D/ t* t& D" w; x6 }) r
Result:=false- @1 {% k4 @- O7 Y
else! N) K& a0 i" }, n) w
Result:=true;
+ e, ~# D! K& `) V end9 W- w, }6 e4 @3 l! _) d
else- }/ }1 ~: E2 \9 {- d
begin
0 s8 E* z0 X& k* G) {' ^ SystemParametersInfo(SPI_SCREENSAVERRUNNING,1,@Temp,1);
9 ^) Q- J8 C8 B- i) Y) i( J Result:=true;
3 k2 M# n4 ? Q end;! y4 D1 u5 R$ z& |+ X% ~* u
end;</P> |
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