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编程技巧20法(11-20)
# b4 o) }1 s/ ^: |# y; ]3 C. V$ Q 徐景周
) B5 @* q5 C z" n2 `日期:2002-09-12
/ A" U: J e% y0 E
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w2 h- [ H# w! m0 e
+ ^% {4 y0 F. W; A11. 如何判断当前操作系统的版本
$ i/ E; d b( r; Q% k$ `8 O- d* {# m: ^0 T5 |8 H' S( W
//------------------------------------------------------------------------------------------------/ ^8 G% W2 ]0 [9 F* l1 {( @, y
: Y1 Q/ P7 Z; g8 J* Q1 F
//判断操作系统涵数及变量
. r6 p0 ?7 n5 t' g, F$ k& s. Z8 L0 u3 z5 ?, t! P
typedef enum tagWin32SysType{
+ H( e% h1 P; u* V Windows32s,$ _ J9 X A$ C" Z9 j
WindowsNT3,
. l& x/ Y6 X& m Windows95,5 o- Y( j* Y4 \- J7 w2 ?5 b
Windows98,
# ^& ?* m4 O6 R' d) K8 H WindowsME,/ y/ Y; w2 Q8 u3 F9 C9 I% ?, n
WindowsNT4,, s1 ~& @# h! q/ I
Windows2000,# P% D* f" ?' p/ q2 }
WindowsXP
+ r# o0 |0 P- n1 l}Win32SysType;) y) J* L/ }5 l* Y
8 }/ K, g7 L1 R
' ?( u( W) U) y+ {
//判断操作系统涵数及变量,jingzhou xu
$ ]/ N% `% V Y2 b' g# w: v# _2 }3 n" c
Win32SysType IsShellSysType(), P+ G2 ~/ |& T& j
{( \) i( Q- C8 ^4 A: `( k
Win32SysType ShellType;
& @# i8 @5 w! [5 A# [" X DWORD winVer;
( p" `) D2 Q& ^% E6 f OSVERSIONINFO *osvi;& a5 Y# c8 [3 | B
1 G! l9 U& R7 N! C1 N8 e% {# w winVer=GetVersion();1 W4 N; c" f; j, [( l( G
6 s$ A6 s3 w- l4 }5 x1 L if(winVer<0x80000000){/*NT */
# ~: A6 i: m0 g! _" x: ~ ShellType=WindowsNT3;9 v1 a) I) ~6 K& o0 H% m4 a
osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO)); X: M+ r! u" c% `3 J" S
if (osvi!=NULL){# d( h2 g# o |5 [% h; S( |/ H8 q
memset(osvi,0,sizeof(OSVERSIONINFO));# B g8 t4 y2 C& H0 j8 T
osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
0 U ^; n. ^4 ^ GetVersionEx(osvi);
/ e6 M4 u/ d3 l7 e# W8 ? if(osvi->dwMajorVersion==4L)ShellType=WindowsNT4;* z" I i5 O, P' g; ^
else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==0L)ShellType=Windows2000;- y$ u: s/ e! @% b% K( u% U: b0 ^8 z
else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==1L)ShellType=WindowsXP;6 a N8 a) @# Z
free(osvi);8 r4 t @- e/ y" J, ^: @
}9 {/ E1 g5 e5 k9 m
}
# d5 a- [) v0 A else if (LOBYTE(LOWORD(winVer))<4)
U5 D9 q3 V; N4 I8 I ShellType=Windows32s;, T D% s/ ~$ c* i
else{# T9 S' [4 N/ @+ H7 N" O( j/ @
ShellType=Windows95;
, d+ |% }- i4 x* p: l# U* \9 a osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO));
7 D2 }) D8 W/ h9 n+ c1 u( x if (osvi!=NULL){* \/ W& ?, y1 B7 v" b4 l1 b
memset(osvi,0,sizeof(OSVERSIONINFO));/ v% M2 o$ ?+ Q; g0 r
osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
3 J3 u+ o( r2 E, z" T2 P4 c GetVersionEx(osvi);. R* ~7 F' v% [6 L5 i; n; t
if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==10L)ShellType=Windows98;
- r5 ^* O0 p7 G# I else if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==90L)ShellType=WindowsME;
! c( L, M$ P5 _: ` E1 b free(osvi);
5 J; E6 m1 [- V& a3 n* Q% f }# j' J$ d. p( F+ O* \
}
* C$ I% w! P0 |4 Q$ r return ShellType;
, U* [' z3 s- o7 v* w}
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/ a4 k9 {, V9 _! K//------------------------------------------------------------------------------------------------
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12. 如何在指定矩形框内水平/垂直显示多行文字
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4 _$ X3 g2 U% W" ^& t E///////////////////////////////////////////////////////
/ U8 X5 S8 V: a//说明:9 c1 Q2 @! q+ h' d
// 在矩形框中水平或垂直显示多行文字,jingzhou xu.
# u1 G- d: ], ~8 s// lMode: 排列方式,0:水平方式; 1:垂直对齐
# [( _! ~/ ~" D" A4 g* W1 G. l$ j// lHori: 水平对齐方式, 0:左对齐; 1:居中; 2:右对齐; 3:自定义
: P1 v) t- I) ^- J% D, }0 V# D/ J// lVert: 垂直对齐方式, 0:顶对齐; 1:居中; 2:底对齐; 3:自定义1 s/ v0 m* L% T
/////////////////////////////////////////////////////// b9 l) g2 v- X' K& O
' u) M5 `: m$ d5 Y% F. |8 \CRect DrawTitleInRect(CDC *pDC, CString szString, LPRECT lpRect, long lMode, long lHori, long lVert)
. ?, d1 [# L8 z& [" I4 j6 L{! K/ ]0 S: e3 g& ]' e' [4 h3 I; {9 e
TEXTMETRIC tm;4 N/ a/ q, x, c3 y" N
pDC->GetTextMetrics(&tm);
" b. ?8 ^) e) D! \) q$ u8 m# ^' e int tmpWidth=tm.tmAveCharWidth, tmpHeight=tm.tmHeight;# N4 @" \' ~: d& I3 w8 k- S
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CRect rcInner(lpRect);
, I% Y' Q+ e% M! e# }( k if(lMode==0), f& ^4 Z/ ]- q% W
{) b3 a3 y& g2 n" a" O1 v
rcInner.left+=tmpWidth;
$ I3 r; i, X; |' | rcInner.right-=tmpWidth;: d( J' T* w4 n' G: I4 }8 y& r
rcInner.top-=tmpWidth;% J8 d/ `& {, g$ H0 }! w7 K( n
rcInner.bottom+=tmpWidth;
, I8 s, U3 x0 {) `' X& g }
# F2 I6 I( J! L if(lMode==1)
6 E2 m: @6 T6 k% i) s {
_9 ^6 S2 h" a, m1 n4 O0 k rcInner.left+=tmpWidth;
6 f" ?( J. `( ^: s rcInner.right=rcInner.left+tmpWidth;2 b) H! b9 {" X
rcInner.top-=tmpWidth;6 O) }2 ~( f% v" \, b
rcInner.bottom+=tmpWidth;
$ s" L3 t$ s$ a }
* _" [+ m/ G* e. c1 F# f) G& B4 O2 x. ?: m3 @: ~& I
pDC->DrawText(szString, rcInner,DT_CALCRECT);
* k. @6 ]: ~8 K! [9 k( M {/ B switch(lHori)
3 `6 }. q7 _! p' ?+ ` {+ t; a8 i$ A7 l" d( T6 E+ v8 U4 O
case 0:0 J9 F% J$ T6 M
break;
f. n: O; k3 \ case 1:
. `9 Q/ s, p1 G {
Y' `( A2 p, U' g3 P long xOutCent=(lpRect->right+lpRect->left)/2;/ G6 w/ o( h9 e( g; L9 `
long xInnCent=(rcInner.right+rcInner.left)/2;
6 g9 ?- m- c- O- E- w7 N rcInner.left+=(xOutCent-xInnCent);5 _3 j: q( R c
rcInner.right+=(xOutCent-xInnCent);
. M/ d7 \3 ^! j. R& w" j% G }) A8 G1 N8 h% N8 U: p
break;- `. d' k, v" x
case 2:9 ^- U2 |5 a; v9 X
{
8 w4 Z. ^% l- G% |+ F4 b; t long lInWidth=rcInner.right-rcInner.left;$ Z- Y% `% T& E2 ^; o. l8 O6 v7 \
rcInner.right=lpRect->right-tmpWidth;
! {9 m7 ?/ B* K: Y& v4 X rcInner.left=rcInner.right-lInWidth;
' h0 F7 A% V1 b' V/ s }% Y3 p) T( X# y: s1 ~ ?: _/ z
break;
" F# C }4 ?4 ^6 {; { r8 {. K default:4 K1 J: G/ a- I
break;3 u l+ R& ?5 j( e. l" R' E
}
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switch(lVert)7 H; c8 m$ I! Q9 r
{
2 i( V5 f$ `; C case 0:1 S# s4 a# v3 V& q+ Q, |2 h
break;( Y% d! f' B T1 R# g
case 1:$ S# s* e6 }$ C7 A
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long yOutCent=(lpRect->bottom+lpRect->top)/2;
6 y T* Q* E- G5 m& b long yInnCent=(rcInner.bottom+rcInner.top)/2;
9 Q& M, r/ n6 a2 u0 |4 |7 E' w rcInner.top-=(yInnCent-yOutCent);6 q$ M, D6 O6 \$ L, g4 b
rcInner.bottom-=(yInnCent-yOutCent);
u; K: T* j" C" C }
, a: h% I9 U, s" N break;3 c8 [2 P) D5 S l) d
case 2:4 r$ p5 r6 b7 p3 h, w, W6 _
{
6 B* R# N' \; U p long lInHeigh=rcInner.top-rcInner.bottom;; G0 C4 i3 v& `0 E) a' G
rcInner.bottom=lpRect->bottom+tmpWidth;
+ r! y. z, v) M rcInner.top=rcInner.bottom+lInHeigh;- T, W: N. [8 \# L u; u: j' S* F
}0 L7 y3 V( V- A8 A N/ t
break;+ y ?) D( y+ e: w$ u& T/ I
default:
% ?' O. j# O( R: J* k, {2 L break;
5 _( [' A O2 h% i }3 L( M2 D' F% |
, z' O, K7 S4 Y9 B //---------------------------------------------------------------------------------------------3 L* K; x1 f. U1 o
//功能:根据新、老矩形,重新计算行数,使文字多行显示,jingzhou xu6 T i" g" O8 b% H8 A
//---------------------------------------------------------------------------------------------; z6 } D, I) C$ O$ L) ]
//一行中最大字符数
7 C" U- c2 u! `' m$ L int nMaxLineChar = abs(lpRect->right - lpRect->left) / tmpWidth ; 1 ?: S' G' L* O# e
//记录当前行的宽度1 A; u1 {: o6 U3 e s0 s/ k
short theLineLength=0;
" @- \# l: b0 ] ]# G* M* m8 t //记录当前行中汉字字节数,以防止将一半汉字分为两行
/ e: F5 x& K4 s- t9 K5 E: u unsigned short halfChinese=0;$ C. D5 Y% q7 i% M
: C- j4 j5 {, _2 ~8 W
for(int i=0; i<=szString.GetLength()-1; i++). Z, z b! i# ]' T/ W
{" x0 W! I; d$ w
if(((unsigned char)szString.GetAt(i) == 0x0d) && ((unsigned char)szString.GetAt(i+1) == 0x0a))7 |. O9 A+ ?; F: F! }1 W' `' a' {: y
theLineLength=0;# X( f) b$ o( t0 o/ U
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//大于0xa1的字节为汉字字节# b9 w% T, W' l! r' u
if((unsigned char)szString.GetAt(i) >= 0xA1)
% m% j) b' \1 ?$ ] halfChinese++;
, l# h6 y: H5 S: a% E. ? theLineLength++;
3 r# q9 N4 ~% J7 a) ?' b" b
7 S& _1 _+ L, ~& r) ? //如果行宽大于每行最大宽度,进行特殊处理 @0 h( h( _2 {( y0 s" m2 p
if(theLineLength > nMaxLineChar)
) s* n M" H0 s5 J% v* `: Q {
4 J$ _+ e" K, e" z* T5 ? V //防止将一个汉字分为两行,回溯 w* m. {7 i. z) ~
if(halfChinese%2)
8 f9 b$ u4 U+ @4 C" q1 E8 d& S! I {! h: w W( B/ \- ^0 S5 L
szString.Insert(i,(unsigned char)0x0a);
3 a: C* ^8 Y! G% E: C szString.Insert(i,(unsigned char)0x0d);
E" M; v, E0 C0 x# w/ c8 D }
4 ]; T& U* W0 a; c% S else5 |+ P# r N6 J8 e4 c) O
{: Z# G& B- l c
szString.Insert(i-1,(unsigned char)0x0a);; r& @6 H- q; a- J1 P. i( F
szString.Insert(i-1,(unsigned char)0x0d);
: J F# ?6 _ }# }$ \ }
) w: W1 Y, j6 I+ z" h
; ?/ H" T R6 b6 X: r/ R theLineLength = 0;
, @- Z+ J; {5 m8 x2 _$ p }
# C2 _) X. {1 V ~' _5 I }
7 ?, `) g- s3 B# o8 v0 l' j! D' I8 d6 T" e1 R. J4 J3 R
//重新计算矩形边界范围
7 y, w k5 x, q8 X5 I// int tmpLine = int(abs(szString.GetLength()*tmpWidth / abs(lpRect->right - lpRect->left)-0.5));& ~' W, v+ N! A. s% |7 n1 B% p `5 y
5 u. ~/ a' J( ?2 W( G// tmpLine += (szString.GetLength()*tmpWidth % abs(lpRect->right - lpRect->left))? 1 : 0;
# ]1 F0 d }" Q; a$ F. O// if(tmpLine == 0)8 W/ p, W* I. r) {- A
// tmpLine = 1;5 f( @) k( t C* x3 t
& |% S( M* T6 I& z* Y0 l/ K if(rcInner.bottom > lpRect->bottom)" d, t6 Q J5 b; d2 O3 ?
rcInner.bottom = lpRect->bottom;3 R2 m# ?( L% j/ o; c" g
if(rcInner.top < lpRect->top)
: ?6 H4 i$ ?$ l0 O/ p rcInner.top = lpRect->top;
) G3 S, Q$ B. B1 u9 I* h# H1 G5 }3 s
//---------------------------------------------------------------------------------------------; G, B3 X* ^3 i: x9 C9 I: F
: f8 u+ U/ @$ d! Z2 {- ~5 J if(lHori==0)
$ D2 Z: C2 j# b' z6 w pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_LEFT);" o0 w4 K1 a# ?! d7 [8 F
else if(lHori==1)# q7 C; y* {% B+ |# ?
pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_CENTER);: {2 J9 \% k$ z( k8 ~$ b
else if(lHori==2)3 z/ W' |6 H, O/ Z: N# H
pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_RIGHT);
' c. h& d. [; t8 W) N; J( U return rcInner;' U, K8 z3 B" n
}; J- u1 m v* B4 o' Y& A+ o
3 `6 O3 M2 |# l& K0 K; c) T7 [! D( l& ]" s, c k. G2 `: e* a& t
13. 如何在指定矩形中旋转显示文字
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///////////////////////////////////////////////////////# ], Z5 j" \ F) L
//说明:- X; U. Z; J8 g$ ?
// 在矩形框中旋转方式显示文字,jingzhou xu
; V. ~; k* i! {- D8 [7 U4 y//参数:
: i# g/ W: `: c5 [// pDC: DC指针
& Z' Y1 B8 T1 p; q; v: J, \9 B// str: 显示文字
* y6 c6 A L) S& \- c// rect: 显示范围
* ]2 E' P) i, b! o5 y// angle: 旋转角度
1 _8 N* r1 s2 Y0 n* p! C// nOptions: ExtTextOut()中相应设置
* A' R, o4 @! w0 c) U, Q# N, F///////////////////////////////////////////////////////; g- ]% i+ f! U- |2 D
, E5 T$ x* {! p/ y( Y' A& _( H% \
void DrawRotatedText(CDC* pDC, const CString str, CRect rect,
9 d- T' i w9 l% |& o5 G& N double angle, UINT nOptions)
$ k2 M- A- C& _5 ]{
# t, _: t# v, i //按比例转换角度值: h7 D- H7 G( N+ L }+ m
double pi = 3.141592654;0 A' |1 _5 }( A" x) e0 R5 C+ o. n
double radian = pi * 2 / 360 * angle;
4 R; g0 S) L5 J' g' _( q
+ w$ c+ l" K- y& g //获取显示文字中心点
7 k0 j# H' W7 |! b$ G CSize TextSize = pDC->GetTextExtent(str);' o/ c# C ~, P8 J M7 b
CPoint center;
' C6 ~* z/ a6 }( p/ p center.x = TextSize.cx / 2;
8 o9 @: v: x$ _& q center.y = TextSize.cy / 2;
$ J" Q1 U1 i8 w; }" \- y8 M1 S/ J3 E7 z
//计算显示文字新的中心点2 c0 B2 x: F& W" t2 K
CPoint rcenter;
# b* Z$ K2 _4 M& _4 F6 d rcenter.x = long(cos(radian) * center.x - sin(radian) * center.y);
0 ~( M5 f, o! c" g& W* t! g rcenter.y = long(sin(radian) * center.x + cos(radian) * center.y);
& h" _2 ~$ c3 S% J3 n# H6 d/ A. Y+ O0 S9 Q
//绘制文字
4 m- H# T$ d2 H7 ]! e pDC->SetTextAlign(TA_BASELINE);
6 @. H9 g# t# u' D pDC->SetBkMode(TRANSPARENT);0 A2 G& K- F2 ^2 ]0 y! _) ], @$ |3 l
pDC->ExtTextOut(rect.left + rect.Width() / 2 - rcenter.x, - O. |6 B" T+ e+ F
rect.top + rect.Height() / 2 + rcenter.y,
# W4 O' H( \' z nOptions, rect, str, NULL);/ h- X+ A, }/ e; ~2 ?# }
}
8 N) m8 t& I& j$ Y: p! R
+ ?0 O. I, {8 o( r& p/ @* X; `$ P
/ e. E4 n9 m7 b8 Z# W( v9 d14. 如何将32 x 32像素图标转换为16 x 16像素值的图标; \7 |7 g0 S6 d! d+ M
U6 _/ E$ o7 S1 q1 p" aHICON Convert32x32IconTo16x16(HICON h32x32Icon)5 D7 R' J8 v; @! l5 p
{) a! U( H) `. [1 ?
HDC hMainDC, hMemDC1, hMemDC2;
$ O) j) o0 `3 p- @ a/ Q; }+ t HICON h16x16Icon;; J5 ?7 b3 d1 ]5 _2 J
BITMAP bmp;/ @0 { q$ {: r* K9 @
HBITMAP hOldBmp1, hOldBmp2;
( p9 k- G& i3 O: J8 i6 n ICONINFO IconInfo32x32, IconInfo16x16;$ _1 Z6 r+ K" y* {2 ]
$ l2 A, B: A) u# b GetIconInfo(h32x32Icon, &IconInfo32x32);
* a( J& s6 T4 h; ~5 S( i1 d' A; S$ Q3 k- ~0 r
hMainDC = ::GetDC(m_hWnd);
) \, f7 Z8 V J hMemDC1 = CreateCompatibleDC(hMainDC);2 a: v. X" \$ m- ~, U7 m! t
hMemDC2 = CreateCompatibleDC(hMainDC);) V; t7 R( T: r4 B5 K
7 ~; N, L4 S$ u
GetObject(IconInfo32x32.hbmColor, sizeof(BITMAP), &bmp); b) y) j' w7 R. e0 A
' ^# J* @! y3 z
IconInfo16x16.hbmColor = CreateBitmap( 16, 16,
! |* h6 P& E8 C& f* m! e bmp.bmPlanes,
+ O! [8 o" w! Z, ^6 p bmp.bmBitsPixel,
2 @; I, j, }* l9 Q NULL);
& T' V4 {* ]8 u) m7 Y- y, R% |! K
hOldBmp1 = (HBITMAP) SelectObject( hMemDC1,
- m3 I M5 {% e# J0 B; f, w* ~ IconInfo32x32.hbmColor);: n3 P( j3 j0 D D6 |
hOldBmp2 = (HBITMAP) SelectObject( hMemDC2,
. a9 S3 U' l" M8 R! H% P IconInfo16x16.hbmColor);
S4 i* t8 w; S- t$ I) d4 w9 ^
* k/ w0 n3 ^! V6 \! B: E s5 o StretchBlt(hMemDC2,
6 ^7 u( f/ C" h5 B) H8 t1 g 0, 0,
/ h" B5 G# ~! Y5 U 16, 16,
4 j9 r( m& d/ I2 } hMemDC1,0 ^6 l- M2 b7 W1 l8 w
0, 0,2 q$ I+ B) m. J
32, 32,6 A) x) Z; h0 @- P
SRCCOPY0 c; L+ M8 y8 {( O. Z( Z
);7 _& C8 b7 N9 P3 d; G' T$ S2 r! Z
M1 |# ~( ~8 }$ W9 m GetObject(IconInfo32x32.hbmMask, sizeof(BITMAP), &bmp);
. {: @" p+ P5 h9 o- s; f8 {$ K( y! `: y9 u. S! n/ i
IconInfo16x16.hbmMask = CreateBitmap( 16, 16, 3 J4 r6 r2 \1 K
bmp.bmPlanes,
6 Q" H! x7 G q bmp.bmBitsPixel,
4 W0 e( o8 q. W$ B) C NULL);
5 r& {# x6 B/ L' c5 E' `" Z5 W+ f P* U/ z) q
SelectObject(hMemDC1, IconInfo32x32.hbmMask);: D% y- C# V0 Z3 p" l7 X3 w
SelectObject(hMemDC2, IconInfo16x16.hbmMask);
3 O1 Z7 L0 q4 e2 H( G) d/ D" U1 ?4 w. j$ p0 Q D% {; W
StretchBlt(hMemDC2,
6 M6 O, F! ^5 Y: I9 O& j! J 0, 0,
9 D6 c$ X2 x5 f: ?" e. { 16, 16,3 M/ O! X: ^3 U( P* [( x* @
hMemDC1,# M; x* {8 N2 z; u! A
0, 0,
9 F. k/ |9 O f" x- t 32, 32,2 `+ P( `* V: l2 k& Y' I
SRCCOPY) I# g; }/ n/ o, X9 C
);4 t) {- F6 S$ y5 f
$ {' a5 }; h& p8 c SelectObject(hMemDC1, hOldBmp1);
( G# t/ H) T% g. q' _ SelectObject(hMemDC2, hOldBmp2);7 U. g6 p4 r$ S1 G" Z4 a
6 N3 D, I; i T$ O( r IconInfo16x16.fIcon = TRUE;
/ \* L$ L) o7 R" {! _" [ h16x16Icon = CreateIconIndirect(&IconInfo16x16);$ {8 h; g& `$ e% F
DeleteObject(IconInfo32x32.hbmColor);$ D( Q x* M; e5 z$ x* n
DeleteObject(IconInfo16x16.hbmColor);' \, q7 \" Z4 h" r) `9 v& j
DeleteObject(IconInfo32x32.hbmMask);
2 p* ^# Z5 S r& b& I$ r% T0 o DeleteObject(IconInfo16x16.hbmMask);
; W: D. N8 T1 j! E5 x$ N& G DeleteDC(hMemDC1);/ y. x. [6 Q @, H* C4 z9 `0 i
DeleteDC(hMemDC2);8 }3 x5 X( d/ C$ Y4 n9 l2 V
4 ^( W7 h5 }! M0 G" o/ s8 H |0 z ::ReleaseDC(m_hWnd, hMainDC);
% g; S b e, w4 y d" D- U3 O' }% O# D* f return h16x16Icon;
# e7 R. O+ m" v$ x# o}6 L4 e' p6 j2 u c( K6 z; M1 i+ q9 V
# j4 F4 x, i% i% d7 o7 ~
" A: O% F2 A& c' J+ ~15. 如何建立一个灰度级图标. ?9 F! l( R- r4 L* v/ L0 |
5 D+ J, N1 L }HICON CreateGrayscaleIcon(HICON hIcon)
$ d* E* J1 C7 { r2 f2 x/ J0 O{! Y8 b2 ^+ N7 X
HICON hGrayIcon = NULL;
9 _. d5 X8 A& F. f' Q2 l HDC hMainDC = NULL,
" V# J, x& N9 X% t: z' d# `$ i hMemDC1 = NULL,
( S- g* {$ \9 g( u hMemDC2 = NULL;) H! D% s) s! Y8 }) f% x) h( C
BITMAP bmp;
- p8 P, _& J( N( ~$ _% i* ? HBITMAP hOldBmp1 = NULL,
! [8 G& L) N; X! l6 B hOldBmp2 = NULL;
5 F8 Y( x; T& v& @( |7 Z6 ^ ICONINFO csII, csGrayII;4 O% S1 T5 ], W
BOOL bRetValue = FALSE;
. R% D, {* h( W, ^8 r4 H& ?9 i, z, L( O7 q
bRetValue = ::GetIconInfo(hIcon, &csII);
1 o5 B2 c, P- I' U- w
" C6 y4 {- t5 m# q, T" p if (bRetValue == FALSE) return NULL;
" h4 \3 G; c K1 N5 z4 f
! V$ g, z7 P, n5 R, J4 E hMainDC = ::GetDC(m_hWnd);
9 P% ?* s1 P' R0 O hMemDC1 = ::CreateCompatibleDC(hMainDC);
, W3 ^+ M, \: t. C" ]9 Y3 {+ E0 y4 H hMemDC2 = ::CreateCompatibleDC(hMainDC);
! S- {1 i! L( p. [9 Z if (hMainDC == NULL ||
3 L3 W& c" o5 V z* Z% N2 i0 e hMemDC1 == NULL ||! ?/ E. X- N1 c( V& K$ R) S
hMemDC2 == NULL) ' g8 O* a; H0 ~! t
return NULL;; ]% @0 h& D( f& F: }: r" n7 c" G
: `7 N3 v C. z. p if (::GetObject(csII.hbmColor,
; L. [2 c/ |, t2 @ sizeof(BITMAP), &/ w) H% }( u1 x. M
amp;bmp))% M9 t" O( T& Y
{
" x: D8 t! D# B7 K, t2 |8 ^8 J csGrayII.hbmColor =
6 }/ }, O4 o7 m) d4 M! N7 r. V* [ ::CreateBitmap(csII.xHotspot*2,( A+ u. Y2 o$ V$ h1 u
csII.yHotspot*2, $ o1 l C" [2 L/ N. @8 n/ M
bmp.bmPlanes,
( E( S L8 n/ O0 N+ y% q* H bmp.bmBitsPixel,
! p& a! j5 L$ h$ N6 p7 H: _1 a NULL);5 C& ~$ c' a% t( F0 \9 x8 a5 g" k
if (csGrayII.hbmColor)- x& X/ R2 M b* E/ K
{4 t$ \, H9 H4 \. G: w7 ]
hOldBmp1 =! Q8 ?; m* i. ~4 P' L* k2 n, r+ d3 [
(HBITMAP)::SelectObject(hMemDC1,
( K4 m6 O$ `5 Q8 b0 [; ~ csII.hbmColor);6 b: C9 i6 S6 ^! k& ]$ c
hOldBmp2 = 2 R' G0 Z; D, r i2 F
(HBITMAP)::SelectObject(hMemDC2,
7 Z3 a F' r) k- d1 ~& V1 G csGrayII.hbmColor);
* p: F) G9 ?- Y1 e3 J/ o$ X" C
6 l# k2 X7 [; r6 P. ^- [) x0 k ::BitBlt(hMemDC2, 0, 0, csII.xHotspot*2,+ L4 z% k4 ^' O [
csII.yHotspot*2, hMemDC1, 0, 0,
' z: k+ S/ @1 g( H6 R1 i SRCCOPY);% Q2 }. S- }8 {1 N4 G/ r
3 k1 o- v7 d4 u- k* A DWORD dwLoopY = 0, dwLoopX = 0;
$ H* w6 o, U+ K- y8 G7 ^: u2 X, B% @: c COLORREF crPixel = 0;1 S9 s$ Z- S9 T/ \
BYTE byNewPixel = 0;
) y$ D( }; P/ q4 W2 q/ n1 j for (dwLoopY = 0; dwLoopY < csII.yHotspot*2; dwLoopY++)
" J" A4 u4 M5 F2 s* ^ {
' g' K; ?/ q' X( d J for (dwLoopX = 0; dwLoopX < csII.xHotspot*2; dwLoopX++)# K4 s# ~% |$ G- n0 T
{
7 A( h( _! l8 |0 H: I H4 a R crPixel = ::GetPixel(hMemDC2, dwLoopX, dwLoopY);3 P' [+ U5 r2 R$ U, `4 ?/ X
byNewPixel = (BYTE)((GetRValue(crPixel) * 0.299) +
, m2 |1 v7 P4 F, k (GetGValue(crPixel) * 0.587) +
7 T3 b& j+ x/ _5 k y7 d' d (GetBValue(crPixel) * 0.114));
" p; s2 q0 m ~6 y# w! j$ M9 b- i if (crPixel) ::SetPixel(hMemDC2,
/ R- _. S9 N* ^" k2 ~) S3 y dwLoopX,
. d R7 J$ ?9 I1 d dwLoopY,0 u& e$ w5 w9 T4 J7 |3 b
RGB(byNewPixel," S/ I5 u' u" N# j: J2 l$ @$ N
byNewPixel,
/ x: V& k, P( \# D byNewPixel));9 w) ?2 F& H& o
} // for7 s+ q4 h8 j" x2 l( R
} // for
- P; ~) I1 r7 C9 r7 |. Q ::SelectObject(hMemDC1, hOldBmp1);; [4 c! I5 u3 W7 x( y, W
::SelectObject(hMemDC2, hOldBmp2);
9 K7 e( B) _. J! @7 A6 N0 w1 B8 E% v% Q0 L# J
csGrayII.hbmMask = csII.hbmMask;* J5 c/ G" |) R! _8 z1 R: e V7 N
csGrayII.fIcon = TRUE;, D: l! J/ }1 W) e, m+ L3 U% x3 p! Q
hGrayIcon = ::CreateIconIndirect(&csGrayII);0 B% i0 | S$ \- Y1 |
} // if
0 R! G- y! w& z/ I# t : eleteObject(csGrayII.hbmColor);
) k9 @6 x( O' u7 t. i0 Y! ?' ^% o //: eleteObject(csGrayII.hbmMask);
) | c+ _. _% z: l% e } // if
( W1 P$ |. d% t : eleteObject(csII.hbmColor);- E& P( U# ]& i8 p4 l
::DeleteObject(csII.hbmMask);
. Q% m. ]3 x; `' h8 b7 K ::DeleteDC(hMemDC1);* ~/ e1 d: @! V2 ]+ W- b$ x
::DeleteDC(hMemDC2);
) u# {6 R# [ x5 w! x* `& ~ B+ H ::ReleaseDC(m_hWnd, hMainDC);
. P( M* O, a% w( Q( U3 R! w1 F( D! w$ ^, Y& A0 \* s
return hGrayIcon;6 p5 g) U) ]% ?* t/ V6 T6 W+ \
}
1 Z& k) X% r7 [4 A5 d9 O: |$ N4 y& y' j/ [' j
% C+ ?* z0 b5 f1 E! x m2 G6 ^16. 如何按指定角度旋转显示内存位图(用法和BitBlt类似)' B; H( K( R0 j' v: {1 q2 P
( Y9 A8 a& `3 t9 c) _# {3 B
void RotBlt(HDC destDC, int srcx1, int srcy1, int srcx2, int srcy2,% h( N! R/ F0 V6 C: `/ ]1 I$ B
4 U( g4 Y: r. X% M* }7 {4 z5 o3 J8 f HDC srcDC , int destx1, int desty1 ,int thetaInDegrees ,DWORD mode)
' H; \3 w' V: }6 I( Z# h8 z7 o{1 F2 B) C2 l- T; w, v+ q' A
double theta = thetaInDegrees * (3.14159/180);
4 ^) r8 Z6 k4 M3 i! F4 u5 z! o2 J# h* F7 j% }+ b! I4 i
//原图像原始大小
0 Z& j; i2 ]0 a/ f& j
8 H: j4 T0 }$ F# o. f) Z int width = srcx2 - srcx1;
0 F. p ?$ L. B, E# L/ x1 V int height = srcy2 - srcy1;( V- _' d0 P4 `6 i6 T. J
$ y% v, P! R6 U- [# w6 a
3 |( ?3 C; P& Z' [3 k! q" b) o- s //原图像中心点
% A0 A m' h; G7 e, `) D int centreX = int(float(srcx2 + srcx1)/2);
: S! l \$ ~6 s1 R2 _: G$ A int centreY = int(float(srcy2 + srcy1)/2);2 e- S3 f- d [$ S+ D5 p f5 a
# N6 l) }1 H0 K8 a' O- e6 n; A/ o //判断出图像可以沿任意方向旋转的矩形框6 V5 ], t( v; X, J& T/ i2 f' z2 @ E
if(width>height)height = width;( q( k1 [( j! @1 S1 c% m# W
else. G" |1 y# ~+ X4 T4 A7 g
width = height;; x! I) {8 v; n3 J5 m9 u
7 h+ l" z- x0 v V1 Y1 ?4 k HDC memDC = CreateCompatibleDC(destDC);
; @0 C) b' w% }3 k' \! f) l HBITMAP memBmp = CreateCompatibleBitmap(destDC, width, height);- Q2 J7 t- l5 L9 T, N; Q4 U1 B
" ]9 H) W6 R9 E+ O7 p: T
HBITMAP obmp = (HBITMAP) SelectObject(memDC, memBmp);* Z. Z6 l9 G. H
& O! S$ M" d, ]( j6 T' X5 c; k
! ? v2 t; f( `, l0 J9 r( D4 c //内存DC新在中心点
, M5 ~/ P$ U& v' r/ ~! u$ D* g! A I) i2 P2 I
int newCentre = int(float(width)/2);$ M8 Q% K- ]! d( S% D
//开始旋转* U5 C" Z4 i, Q: {! n( e5 [: S
for(int x = srcx1; x<=srcx2; x++)
( F$ o3 {5 h- o/ p% k for(int y = srcy1; y<=srcy2; y++)
F' X( v- e4 |, [7 }2 A' ~+ Z {
8 ]1 S0 N4 H0 }% d COLORREF col = GetPixel(srcDC,x,y);
7 {9 v! i1 h7 @0 ?: m1 a int newX = int((x-centreX)*sin(theta)+(y-centreY)*cos(theta));) B% e. o7 n# T1 h) p
int newY = int((x-centreX)*cos(theta)-(y-centreY)*sin(theta));1 @% A L; F. {
SetPixel(memDC , newX + newCentre, newY + newCentre, col);2 @0 U' G2 J& h- C. d+ K
}9 {9 U0 b& W- Q+ M; `+ C
3 E" M- i# o* X& I- l
//复制到目标DC上* `# ^6 y1 j5 M. n; g
BitBlt(destDC, destx1, desty1, width, height, memDC, 0,0,mode);
! w2 n# i* R h/ [# T8 B, a //释放内存
" r- T W9 y S- e6 {$ n3 d; y SelectObject(memDC, obmp);) X1 U. G+ T0 g: @ T
DeleteDC(memDC);
* S$ m+ w( C4 c( `$ g8 A DeleteObject(memBmp);
2 b: e0 i: E! Z! x}& R- x& Z2 \) _
6 T( o6 P5 c8 S6 O; {* {" `+ V: j8 W! t2 n; b5 g' J: E
用法:
/ A+ Z. J* F, J3 Y" x
2 B" N# r: B3 J) L/ V4 e iRotBlt(dc, 0,0,150,150,memDC,200,0, 45, SRCCOPY);( m( O/ [: j8 c I5 |. M' y
8 ?3 X/ q: u- [
6 |0 u% I. C8 U) |" j- v17. 如何将指定的窗体,以位图形式复制到系统剪切板上
9 t# ]# w6 @/ N: H2 G& K, ^6 K( [. J: T; N: h5 e
void CScreenSnapDlg::toClipboard_Bio(CWnd * wnd, BOOL FullWnd)
4 c+ @- z: N1 j' O4 s7 a8 c{1 \+ x/ c" [6 I; l+ H) l/ J
CDC *dc;) |. N$ S- C6 L$ u( [% G7 w
if(FullWnd)
0 V$ N% f) C6 v; ` O) M1 ~: I { /* 抓取整个窗口 */
) i) \3 u" f: i1 F- y" ? dc = new CWindowDC(wnd);
0 }' k. D4 g8 @0 e$ v L& K } /* 抓取整个窗口 */
$ T) t- Q0 e( C. R. X else
$ w% x9 ^) F g2 W4 C' ? { /* 仅抓取客户区时 */ n+ n: Q9 T: U, n
dc = new CClientDC(wnd);
/ _$ W: C6 V& F: Y! S9 v } /* 仅抓取客户区时 */9 I0 M# E1 Z: U$ _) M/ N
* d" J4 C! t/ Z* n6 I6 ]# ^( s CDC memDC;/ X; I3 c$ V) s3 T0 X% S$ L
memDC.CreateCompatibleDC(dc);. ?9 ]* f* c D9 H5 d7 ^9 A6 D8 ~( v
- ~3 U9 g% z; n" r& o CBitmap bm;' \1 o2 d" r6 y1 k
CRect r;9 O, M& E/ O- j$ A4 S
if(FullWnd)6 F1 f% d7 q; k6 @
wnd->GetWindowRect(&r);9 N% T7 A& G; g0 g1 w
else
0 i! a0 \) z0 ]( ~ wnd->GetClientRect(&r);
4 [( \6 Z. h" B1 w
0 a8 d! ~$ w% Z# |% q: L0 @ CString s;
3 x) \& Y6 E: H c wnd->GetWindowText(s);( g, Z& C: H' I6 P
CSize sz(r.Width(), r.Height());/ `9 f1 A% b7 v. G
' R0 L2 R* @( P# w bm.CreateCompatibleBitmap(dc, sz.cx, sz.cy);1 N0 f0 r# ?/ L# K$ S
CBitmap * oldbm = memDC.SelectObject(&bm); c" o5 @6 g! m1 x: z2 l9 o
memDC.BitBlt(0, 0, sz.cx, sz.cy, dc, 0, 0, SRCCOPY);
8 v" ~+ m3 A v
, r6 {# G" e) v$ H4 H/ I //直接调用OpenClipboard(),而不用wnd->GetParent()->OpenClipboard();% ?! `$ e2 Y1 s& V: Z: Y
wnd->OpenClipboard();4 K" n- r* O. t; _3 a; ?
::EmptyClipboard();
7 _2 P# k4 K; Q ::SetClipboardData(CF_BITMAP, bm.m_hObject); l. ]0 V9 q, w$ F& o
CloseClipboard();$ E. w5 U/ o& ]: W
$ w; k5 Z; R2 k. b" H //恢复原始环境
1 T3 Z3 T2 {5 p+ _$ d g ]' Y memDC.SelectObject(oldbm);
# B2 v, f7 ]: {, v bm.Detach(); ( e; X0 v" G" k% d+ L7 [7 w
delete dc;
# I( y; B% H) L}4 ], K" _/ n$ p2 b ?, x
2 i$ l9 F. S$ V9 O! |+ H" m" C
. Q- p. ~% u. n8 X18. 如何替换HBITMAP中的颜色值0 a" v5 n" C, @( O" O/ V
7 U7 Q$ v9 d5 _* D! s7 Q#define COLORREF2RGB(Color) (Color & 0xff00) | ((Color >> 16) & 0xff) \
& v' z8 {+ c5 t | ((Color << 16) & 0xff0000)# }% Q1 ]" E0 z% H
p) h: u/ S! G& kHBITMAP ReplaceColor (HBITMAP hBmp,COLORREF cOldColor,COLORREF cNewColor)
1 q, y1 t% ]5 W: | G$ f{
/ I/ S. [! @7 G, m% X HBITMAP RetBmp=NULL;( U4 U1 V: C0 F W! f0 v
if (hBmp); @* }+ u7 ` g- Z: f
{
+ S R0 C$ _/ x# L0 ^$ [( w& W% N) \ HDC BufferDC=CreateCompatibleDC(NULL); // 源位图DC3 ~" L+ L/ ]" X" _
if (BufferDC)
2 _* m" K7 {! {# ?* J2 p1 n+ I {* O4 d( Q$ I- i
SelectObject(BufferDC,hBmp); // 选入DC中% Q9 V9 ^. }# X7 d+ e1 Z6 O% o
HDC DirectDC=CreateCompatibleDC(NULL); // 目标DC/ ~! K; F1 A6 d( Y
if (DirectDC)
4 B, R! v3 H$ a2 S$ _) {) Y* G( { {, C. z: N- I* H) s, n# B
// 获取源位图大小5 ?6 P8 o8 ^: x, N
BITMAP bm;) I' ~* X2 O% M
GetObject(hBmp, sizeof(bm), &bm);7 k0 E( I. Z# G. \/ E9 i
" K7 D) g# N4 P- `0 G
// 初始化BITMAPINFO信息,以便使用CreateDIBSection& S6 |/ h% |* N$ U! x7 Z
BITMAPINFO RGB32BitsBITMAPINFO;
! M E0 a6 h/ V: n+ X( ? ZeroMemory(&RGB32BitsBITMAPINFO,sizeof(BITMAPINFO));1 f9 u: M' q2 C, A4 P
RGB32BitsBITMAPINFO.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
% X; W5 n6 D# G: |+ s9 v) [4 G4 o RGB32BitsBITMAPINFO.bmiHeader.biWidth=bm.bmWidth;: q8 u; P& C) O5 f; S
RGB32BitsBITMAPINFO.bmiHeader.biHeight=bm.bmHeight;
2 L# P8 ^! t/ K ], w: C; p RGB32BitsBITMAPINFO.bmiHeader.biPlanes=1;- H. y- k3 H4 m" ~% s
RGB32BitsBITMAPINFO.bmiHeader.biBitCount=32;
+ m- p1 Q% P" q% g% m+ P9 i7 |
UINT * ptPixels;
7 h3 o @' f, w/ e4 A: j" Y% c2 H/ y HBITMAP DirectBitmap= CreateDIBSection(DirectDC,
7 [! b$ K6 \7 v0 I$ t (BITMAPINFO *)&RGB32BitsBITMAPINFO,
( x2 Z# \( S7 g% h Z( s DIB_RGB_COLORS,(void **)&ptPixels, NULL, 0);
@. \8 G7 b/ D- A) J3 O if (DirectBitmap)
/ d5 q' m) W- K: u: V' e4 z {. E; P6 `* ^' N9 ` S
HGDIOBJ PreviousObject=SelectObject(DirectDC, DirectBitmap);
+ x' M7 k4 U6 X6 W; v4 x; N3 z3 A4 T BitBlt(DirectDC,0,0,bm.bmWidth,bm.bmHeight,BufferDC,0,0,SRCCOPY);
/ n# P6 m8 a4 S: J1 j& a
$ U7 _) p& L( E2 j% P2 v1 O0 ]% Z // 转换 COLORREF 为 RGB
) T" P3 L: S6 \7 x. k* L$ D cOldColor=COLORREF2RGB(cOldColor);7 h/ A0 X- Y$ u6 e
cNewColor=COLORREF2RGB(cNewColor);* z2 G6 ]) w5 b) l' q Y
// 替换颜色* O- F/ r, `4 p. O7 s W; B
for (int i=((bm.bmWidth*bm.bmHeight)-1);i>=0;i--)! o2 R% v# t$ _; E3 y
{
0 G, S4 x5 e8 z/ N" A if (ptPixels==cOldColor) ptPixels=cNewColor;
6 w5 c6 { k9 K2 G5 y }8 {. A3 V: n9 m7 [7 x: J
. I. Y" t, B. Q! ] // 修改位图 DirectBitmap
$ x/ Z$ X+ X/ G4 U, C' R/ E+ F, |: L4 K SelectObject(DirectDC,PreviousObject);
- E" f6 T) G" X3 F1 z0 Q 4 [3 t1 {' I0 Z# d1 q1 a9 b, }
// 完成' U4 g4 j) X# b% Y9 P8 c/ n. `
RetBmp=DirectBitmap;
' i9 ]) B1 G& V; b3 v } ^- S3 o& M' ?: h
// 释放DC
% w% F0 N( A5 P' ^ DeleteDC(DirectDC);) B, [; W: l8 h* F6 }* B
}8 n' w1 _- w9 J, P" P! v) ?" K
// 释放DC+ n5 t) v, W1 i( O+ S6 f( q
DeleteDC(BufferDC);
; |8 @8 j( M2 ?4 D7 }4 H. n }
6 l$ B/ W( r' V/ N, S }) C! {2 p! Q+ ^* y
return RetBmp;
@2 S$ U' e2 g- D# E}6 p4 M) ?. m e- ~0 a* n/ q
9 j! ~' N9 y( J5 f# R+ L# ^
" `% ~' Y+ T- b2 q) I5 P& g& k
用法:
/ X/ P/ W6 ~" W* b5 _$ b+ [$ {8 |$ K3 l& h$ E
HBITMAP hBmp2 = LoadBitmap(g_hinstance,MAKEINTRESOURCE(IDB_SAMPLEBITMAP));
9 p( n0 i1 [" i' x$ o7 KHBITMAP hBmp = ReplaceColor(hBmp2,0xff0000,0x00ff00); // 替换蓝色为绿色1 t5 z0 ~9 [; c6 w
......1 i# y" V! f8 Z, V0 g
: k3 p' O- h3 ^& D \* FDeleteObject(hBmp2);, N p3 {$ T# M. c$ H! \
DeleteObject(hBmp);
3 ~7 l9 _, N) }( m8 i' `! v4 w! D; e1 G4 Z
; c, q# q( H# P3 @0 H3 r' e; H; T
19. 如何转换并保存位图$ ~ e4 P) R. R5 X" C$ @
) Z6 H1 ^& u6 u7 j# Q) _& I
//********************************************************************************+ ?. @+ F& E- B, V/ p( c
//* 名称:DDBToDIB
! ?! P6 { \: H3 e# X% |: ^! ^//* 作者:徐景周(jingzhou_xu@163.net)+ N) S1 A5 i, y! d7 o* }. D9 G5 i
//* 功能:设备相关转换为设备无关位图
5 H. D+ ^" h1 `) K' o5 q) Q//********************************************************************************" h+ N1 E/ T r% C. p: y* s0 I
$ n. W! b" |6 D6 m# F6 ZHANDLE CScreenSnapDlg::DDBToDIB( CBitmap& bitmap, DWORD dwCompression /* = BI_RGB */) 1 N( a% p8 x6 n7 y) G, ~7 Q, h( t
{4 I, Z& P( |! i4 G. N
BITMAP bm;1 j$ J1 W6 h' ~
BITMAPINFOHEADER bi;- C! q" i& x* E3 [4 ?# b
LPBITMAPINFOHEADER lpbi;
, L2 A. M4 Z( B DWORD dwLen;
' D9 @, ]# |0 V' z( ], E HANDLE hDIB;8 K7 |* q- k5 L. |% g
HANDLE handle;2 U. m% y8 ~ o- y9 o
HDC hDC;
0 k, l% S, y' E2 U% S% D8 t HPALETTE hPal;
8 e3 W; c; l5 W# Y0 @, Z# X$ l1 I* t* z- W
CWindowDC dc( this );" p5 z& I) N, C- l( g5 F; C( B& h8 k
CPalette pal;+ E1 M) h' R$ q& M, {. `5 e$ m
//如果支持调色板的话,则建立它) v0 p7 T/ J" R2 T1 ~8 z5 p! c
if( dc.GetDeviceCaps( RASTERCAPS ) & RC_PALETTE )
+ ] G2 o7 }6 k' S {
$ Y: P: G7 J3 w" W7 B; ` UINT nSize = sizeof(LOGPALETTE) + ( sizeof(PALETTEENTRY) * 256 );
7 {5 Y* C' T$ G LOGPALETTE* pLP = (LOGPALETTE*)new BYTE[nSize];
" m$ h- } D% I" _! u3 q# Y2 I- O/ q pLP->palVersion = 0x300;4 h$ h& R1 T+ l- H4 C$ n
pLP->palNumEntries = (unsigned short)GetSystemPaletteEntries( dc, 0, 255, ! J8 z) V% s6 ]; f! f; U+ X
pLP->palPalEntry );
2 T- L: w, S2 p; u' H& _
6 y" r" u6 C) @% |2 V H# n! U& x pal.CreatePalette( pLP );. u8 P& A- w8 S) H
7 ^& R+ h$ S7 j) [ //释放$ \* D7 h0 I+ | Y2 w! h$ M( `" c
delete[] pLP;" m1 t& t& i8 z
}: s0 w7 x, z* ^8 o
0 v5 B$ Q/ s+ K& q
ASSERT( bitmap.GetSafeHandle() );5 v4 q8 v* E2 C* O; ^( y6 B
+ l; q* b" _5 O/ q: F
1 C6 s1 I# f% W' p
//不支持BI_BITFIELDS类型: M. ~, g# v5 t P* { t$ H
if( dwCompression == BI_BITFIELDS )
1 f' z+ U& B4 V* Q# P2 v return NULL;
9 ^$ O& [0 m! C7 R* a, z
% g; K4 m6 L/ |4 v; g$ y. I! @ //如果调色板为空,则用默认调色板8 c0 W3 u) v1 b& l
hPal = (HPALETTE) pal.GetSafeHandle();7 m- s* @% u! v
if (hPal==NULL)6 O {" y# S5 u8 m' B3 P$ D$ I" ?
hPal = (HPALETTE) GetStockObject(DEFAULT_PALETTE);1 r2 Y$ k! f/ Q7 ]# O7 P% S, E& I' z# [
! E* ]8 z/ R- u //获取位图信息5 S$ u* `" S* A* B" m+ |
bitmap.GetObject(sizeof(bm),(LPSTR)&bm);: [. K; w- g/ F, f M
) x% e* ?; }9 h" f //初始化位图信息头
/ X) @7 ?8 u* E! U$ m bi.biSize = sizeof(BITMAPINFOHEADER);
% M4 ` v; }3 `9 y9 N! R bi.biWidth = bm.bmWidth;
8 j( E" h9 @9 l, M( E" p# T bi.biHeight = bm.bmHeight;% {: X& a' S# Q: ?% v* O- O4 _
bi.biPlanes = 1;
/ a7 O$ I3 B q) j: k! E3 A, I$ x bi.biBitCount = (unsigned short)(bm.bmPlanes * bm.bmBitsPixel) ;
+ T! ?8 c( i n& Q, _+ ]' z, m bi.biCompression = dwCompression;
% P" q. e0 x/ j) q1 H, Z bi.biSizeImage = 0;
$ g& P0 B0 l' {8 {0 F: [ bi.biXPelsPerMeter = 0;0 @/ S/ |( B3 W, f/ Z: F- {
bi.biYPelsPerMeter = 0;
& Z- ^* V; b G* H& g bi.biClrUsed = 0;5 |( \/ i- {' s0 r; c# ^- R
bi.biClrImportant = 0;
" T) @2 g5 I, @7 X- E
$ e% S" Y/ Y- b* R //计算信息头及颜色表大小7 Y% Z0 u, ?* h0 ?3 F \6 B
int nColors = 0;, T4 y+ R( Y% l/ ?
if(bi.biBitCount <= 8)& J9 ?, K! V. ^6 B
{$ g" l! x& x" C1 q6 b/ D- E
nColors = (1 << bi.biBitCount);
2 V1 @, h) H. C c s }
2 ~ w, d9 S; l& t, M" _( |( O# C dwLen = bi.biSize + nColors * sizeof(RGBQUAD);: s/ K. a" k6 i' I
8 h2 }) i+ j- b: @5 V0 N* f
hDC = ::GetDC(NULL);
. m7 G+ n0 `: n6 f6 H hPal = SelectPalette(hDC,hPal,FALSE);% a* E+ e8 X: A. ^$ q
RealizePalette(hDC);) ?. |. n0 J4 ?) l' H2 i
' c/ D4 M! j7 R0 R% j7 t
//为信息头及颜色表分配内存- `, D& ]. Y/ u. F$ t. Q4 N, k; q
hDIB = GlobalAlloc(GMEM_FIXED,dwLen);7 T: a/ O9 G1 h
if (!hDIB){
4 E e7 n/ y; |- p/ a. J: b- N SelectPalette(hDC,hPal,FALSE);
i% r, j4 y9 C! s ::ReleaseDC(NULL,hDC);- t7 |" `5 c8 R0 j# c
return NULL;/ {9 C8 d" m3 A2 ]5 h
}
" U( f5 g; i' ^1 v0 g3 e* u U1 _: O" j/ H
lpbi = (LPBITMAPINFOHEADER)GlobalLock(hDIB);
$ Q0 l: _* U1 G/ D *lpbi = bi;
" l! `" P" S0 a# V* C( f% G! B. Z1 f, L
, u4 C! i; A- E( V //调用 GetDIBits 计算图像大小
$ B8 o2 L$ h+ j: ~/ ^ GetDIBits(hDC, (HBITMAP)bitmap.GetSafeHandle(), 0L, (DWORD)bi.biHeight,% V. T7 J& H6 n( a
(LPBYTE)NULL, (LPBITMAPINFO)lpbi, (DWORD)DIB_RGB_COLORS);( B* }, o! y, h2 P: U. L
9 l3 k* U# P' @7 i bi = *lpbi;
/ c! J9 l6 h3 q, R, ?0 U5 b9 q( @; e# [- J _- K
//图像的每一行都对齐(32bit)边界2 F2 w, {$ w, [! n
if (bi.biSizeImage == 0){# d$ }6 @9 i+ W; F
bi.biSizeImage = ((((bi.biWidth * bi.biBitCount) + 31) & ~31) / 8) $ M. \1 [/ ?* @+ b5 D) n
* bi.biHeight;" z. K( h& M; x8 o; U
if (dwCompression != BI_RGB) Z6 U- j! }+ s8 S' ~) L. @1 t
bi.biSizeImage = (bi.biSizeImage * 3) / 2;
+ S1 f9 ?, t) a- L0 Z, x' U0 \6 m }
* }0 @; u* g8 I! \; ^! K/ M# {; y2 o //重新分配内存大小,以便放下所有数据$ T. a; P6 o5 H. D
dwLen += bi.biSizeImage;
1 ?7 u2 t6 s; U" u" u$ g% s3 o4 M handle = GlobalReAlloc(hDIB, dwLen, GMEM_MOVEABLE) ;
' v; [5 [# v) R T* ?1 |) C if (handle != NULL)
0 @- \6 {4 o6 h4 s hDIB = handle;
# z5 j; E, r7 D& _ else8 m0 X) H- C5 Z5 S7 K6 ~
{
5 f) F5 i- L5 X! \& y GlobalFree(hDIB);. ~- f: _: w. C# D+ a3 G
: A6 T% R/ D! s, ~! d1 H5 U
//重选原始调色板
3 G7 d% g- W+ Y* u% { SelectPalette(hDC,hPal,FALSE);
/ [ D- j: {7 [3 a1 q9 n ::ReleaseDC(NULL,hDC);( p; n8 A3 T. |, R, q9 w, s
return NULL;
$ u9 K/ o, z8 A' O& j, l }4 u5 Z7 Z) C0 M( N/ a( U, x
//获取位图数据/ @4 g" w0 t4 _( X3 N8 @# \
lpbi = (LPBITMAPINFOHEADER)hDIB;, `4 t; h& B4 ~
//最终获得的DIB
0 F9 y0 N0 m" a/ j. \7 H6 p1 @ BOOL bGotBits = GetDIBits( hDC, (HBITMAP)bitmap.GetSafeHandle(),
1 Q* x+ v* P: f' p/ x 0L, //扫描行起始处
5 S5 F k/ j( ?# r, W% ^# I& | (DWORD)bi.biHeight, //扫描行数
5 u x( ?- h8 `0 D8 h8 P3 V. n (LPBYTE)lpbi //位图数据地址) R8 O+ `5 _$ u3 y
+ (bi.biSize + nColors * sizeof(RGBQUAD)),
* B/ ^$ m' f8 {( l (LPBITMAPINFO)lpbi, //位图信息地址9 k; L6 \3 u. S8 r4 U+ W
(DWORD)DIB_RGB_COLORS); //颜色板使用RGB
0 a6 w) s7 u# ^- x' ?5 q* W) M if( !bGotBits )* \$ |1 p' S4 n8 a
{
7 k* Q8 [) G7 d, |9 s6 Z- O- u z GlobalFree(hDIB);
% P" S& G) Z, v! v: I: ? SelectPalette(hDC,hPal,FALSE);5 V' B/ M' w+ g+ U
::ReleaseDC(NULL,hDC);5 d- x- b/ i/ U/ B: @; P3 w
return NULL;
8 h. d# c. g1 U |4 Y }
- M" h8 p; `+ T5 i SelectPalette(hDC,hPal,FALSE);
' S8 \3 z& ]5 k) q, n& R3 C2 h ::ReleaseDC(NULL,hDC);
( n' p7 p' b9 \$ U B8 j return hDIB;
( T" {' X8 [; u4 u, ]* E+ }! x}
$ a: L7 W5 @& I* P3 z- r/ U# N9 g$ H9 Q( r$ D1 g9 q2 T
$ O0 x$ ^! Y' n
//********************************************************************************" L- v" _6 L* q0 c2 M
//* 名称:SaveBitmapToFile/ o% c8 z* w6 I6 w- C; }! L
//* 修改:徐景周(jingzhou_xu@163.net)9 H. q1 T& w2 d% b9 M2 A
//* 功能:保存为位图文件3 k+ Q0 A4 b0 O0 R4 e
//********************************************************************************
+ q6 t0 v3 C5 ~7 {) |# e3 I f& FBOOL CScreenSnapDlg::SaveBitmapToFile(HBITMAP hBitmap , CString lpFileName)
% k3 A: Y8 ], }/ \3 B5 M! `{6 ~7 Z" w ]$ D4 O9 \
HDC hDC; //设备描述表 9 u# A4 B( F: o
int iBits; //当前显示分辨率下每个像素所占字节数
3 w1 q8 Y, T$ r6 \1 D WORD wBitCount; //位图中每个像素所占字节数
( @2 F) Q0 o' m( X7 A8 h DWORD dwPaletteSize=0, //定义调色板大小, 位图中像素字节大小 ,位图文件大小 , 写入文件字节数+ x8 D" {) b6 z* t
dwBmBitsSize,
8 f- _3 Q: j7 K4 w3 v* O dwDIBSize, dwWritten;/ {7 |/ x9 f. L7 ~* T
BITMAP Bitmap;
( H9 X1 h B9 |* m BITMAPFILEHEADER bmfHdr; //位图属性结构 , r7 z z+ w0 S- ?& y
BITMAPINFOHEADER bi; //位图文件头结构 ! I7 I& J. Z6 j: Y
LPBITMAPINFOHEADER lpbi; //位图信息头结构
' s5 p5 M) i$ B+ E
1 n# ~/ q; j/ S. v' c% j' ~/ L HANDLE fh, hDib, hPal,hOldPal=NULL; //指向位图信息头结构,定义文件,分配内存句柄,调色板句柄
# B, l" y4 K/ C7 h' n+ v* e+ n( e% S* U4 r% x8 \ J3 e$ L
2 e" Z- q+ Q& y* {0 Z7 r4 W //计算位图文件每个像素所占字节数* y3 W* |& {; L1 Q( J# V' \5 M9 t. R
hDC = CreateDC("DISPLAY",NULL,NULL,NULL);
, j5 E8 X9 T: n- S) n/ g2 q4 x iBits = GetDeviceCaps(hDC, BITSPIXEL) * , T( U! m z3 n# v" k/ Y0 Y+ g: u
GetDeviceCaps(hDC, PLANES);
$ W7 t7 V- P6 K7 d( J6 k DeleteDC(hDC);
; m7 J% T; ~; ?/ [2 f if (iBits <= 1)
$ \' x: d2 v2 q6 e7 y8 K9 x wBitCount = 1;# u# G3 ]4 ~# e+ t; p$ J$ [) Z; ~
else if (iBits <= 4)
/ v6 G' g, P5 Q' t( I7 O wBitCount = 4;! d8 w( w, Y% E2 a% ~
else if (iBits <= 8)
+ j' p8 \3 D/ B; L wBitCount = 8;) K6 h+ ^; K% B& x# l: d
else if (iBits <= 24)* D1 a: K+ K5 H6 m5 z
wBitCount = 24;* ~$ Z- O; N* i y Y
4 [3 E9 `# r0 p' w$ s& Z
//计算调色板大小' k% P7 ~7 H+ V+ j5 C0 O
if (wBitCount <= 8)
, f. b$ v+ U- a9 l& U# q dwPaletteSize = (1 << wBitCount) *sizeof(RGBQUAD);3 z$ O5 b& q8 t
. M' v' E3 ?: z/ i9 K- O# l5 S //设置位图信息头结构; c5 z1 d0 _. q0 h. V( I# u- G/ P" [: d1 s
GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&Bitmap);
$ Y0 I4 R+ Q1 X, { bi.biSize = sizeof(BITMAPINFOHEADER);$ S, X/ c' l) j! F$ I- {( c/ E
bi.biWidth = Bitmap.bmWidth;
) Y+ f" }9 q8 K2 h& k; U bi.biHeight = Bitmap.bmHeight;5 J5 j5 u s. P6 k8 L0 q
bi.biPlanes = 1;
8 n' |# }/ @ {" C3 @9 j bi.biBitCount = wBitCount;
: l3 e* ]! o7 B6 V- m- J3 G, T0 A bi.biCompression = BI_RGB;
/ ~8 U8 z5 I6 E0 S# ^: t) | Z! n bi.biSizeImage = 0;$ @* R6 G1 X1 z2 b7 q
bi.biXPelsPerMeter = 0;) N: }8 F& [' @: c
bi.biYPelsPerMeter = 0;
! e) i, W7 F6 a, ] bi.biClrUsed = 0;* Q9 Q7 m# A' Q/ _3 S! e1 X0 p
bi.biClrImportant = 0;
0 x- y \! T2 Z$ W dwBmBitsSize = ((Bitmap.bmWidth *
% p" W4 B3 x: V wBitCount+31)/32)* 4: q. h. _1 I3 V5 e0 l! l
*Bitmap.bmHeight ;. K) }7 a& Y' z* N
* \" w) o% I( T b) k5 `. N" S
//为位图内容分配内存! T7 T! }, h9 P+ I9 N
hDib = GlobalAlloc(GHND,dwBmBitsSize+
" w) Y3 k. |# C6 m dwPaletteSize+sizeof(BITMAPINFOHEADER));! P8 `$ \) h/ O3 N! f
lpbi = (LPBITMAPINFOHEADER)GlobalLock(hDib);
7 N6 D& i; R) q6 i *lpbi = bi;& Z7 J9 g4 v) K* g& Z7 t
0 u2 J- A ~; O6 `
// 处理调色板 ( A9 q7 N- _' [, V0 _: d7 m
hPal = GetStockObject(DEFAULT_PALETTE);0 y9 \( Z! Y: k7 i0 W, J
if (hPal). [$ v! x8 W% O) Y1 X
{1 R1 y7 o9 I6 m; p' r g
hDC = ::GetDC(NULL);. @. ~6 k$ q+ |
hOldPal = SelectPalette(hDC, (HPALETTE)hPal, FALSE);- X3 G1 J2 \$ N& F! {8 G1 u( A: Y; \
RealizePalette(hDC);2 L, C' l, J$ B1 r0 B% ?" M
}3 i' ]0 h H& G+ `6 G6 K
$ M/ s7 |4 {1 d9 D( H6 A( _! h0 c // 获取该调色板下新的像素值' z$ R- i( I! ~- c3 h9 f" i
GetDIBits(hDC, hBitmap, 0, (UINT) Bitmap.bmHeight,
# q* K+ A5 C& [0 b8 z- k (LPSTR)lpbi + sizeof(BITMAPINFOHEADER)+dwPaletteSize,8 m3 a( H3 R: ~1 S/ z. Y
(LPBITMAPINFO)lpbi, DIB_RGB_COLORS);
1 W4 _" Q5 O# c
% g+ G- M* O4 [1 ~$ @) U0 Z) @( T //恢复调色板 ' v7 @& P5 ~3 h- o
if (hOldPal)
' U& |6 ?, `6 T- }- m& I( i {+ r, ]# T" i7 I. H
SelectPalette(hDC, (HPALETTE)hOldPal, TRUE);- R! G! D! d: U, X+ }
RealizePalette(hDC);
# ?4 ]7 M9 B( t9 Z7 ^# h ::ReleaseDC(NULL, hDC);
2 y5 T' H# R1 A5 t }
/ m6 u5 Z! { {! t' }7 {; G/ C
4 [* g5 p p( p( h/ t //创建位图文件 $ T' q! P* k( f [/ R
fh = CreateFile(lpFileName, GENERIC_WRITE, ' P4 P& o7 r, V" ~0 i
0, NULL, CREATE_ALWAYS,
8 M1 M* T% Y1 L7 t FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
- l" P) v- A% @' H if (fh == INVALID_HANDLE_VALUE)
5 O( ]6 L1 y: U( }( y% [& k9 L return FALSE;+ H; w8 h2 {! W, r. J; }
0 K6 ]0 \, P9 F4 r) w
// 设置位图文件头7 c/ ~ r$ @0 b, X% V! f3 x9 F: A
bmfHdr.bfType = 0x4D42; // "BM"( R" @# `( U0 c
dwDIBSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmBitsSize; t5 }0 S2 r3 E: E
bmfHdr.bfSize = dwDIBSize;
1 D5 G; F- f: D, K bmfHdr.bfReserved1 = 0;/ t; R* Q+ Z7 l/ u4 a8 q% c
bmfHdr.bfReserved2 = 0;' A4 ^( X' ]4 E1 Q8 b6 d g" @
bmfHdr.bfOffBits = (DWORD)sizeof(BITMAPFILEHEADER)
* k2 @0 f) p, a& ] N8 V! g + (DWORD)sizeof(BITMAPINFOHEADER)- c" }! V0 `* l1 p
+ dwPaletteSize;$ ?& I, k, O6 b1 `& ^* V9 S) v% f
) M* ]; V' I, X, ~6 m
0 c2 ?, {0 A* n& c" ^7 s# c // 写入位图文件头/ [! j% ?: n: @" c7 X9 M6 I
WriteFile(fh, (LPSTR)&bmfHdr, sizeof
; X. T* c0 r3 ~5 f7 }3 L (BITMAPFILEHEADER), &dwWritten, NULL);: A; d( @1 r4 T& F# _9 j- B+ `. }
/ X: q5 b* d1 A // 写入位图文件其余内容
% T% O/ S, K+ i+ `4 l; z WriteFile(fh, (LPSTR)lpbi, dwDIBSize, . S2 T9 v& E/ @: A" [+ X
&dwWritten, NULL);
; O/ ~2 j. h5 J p! ~
6 ^: @' Q! d5 _6 n( ~. d* M3 ~ //消除内存分配
7 Y" j' {2 z9 X" p1 q! x9 M! p GlobalUnlock(hDib);
4 o3 r' }. |7 [" `6 _( p" \ GlobalFree(hDib);6 N! V- V( z! Q1 S; V& ?$ W) }& |+ d
CloseHandle(fh);( o1 M; m0 w* }3 {' A( Q
9 o1 K) O0 v6 I7 H" J7 {2 V$ a return TRUE;
- {; o: q& c1 q- G2 c0 I f}9 e5 ?: j J1 ~, m6 m, F
( M; `2 l1 A% r5 C
+ C: R+ f5 {! X20. 如何获取局域网上计算机名及它们的IP地址0 u% \# w- k- v: O$ U* {
J. T6 Y7 k8 @5 j/ Z1 N
l 连接ws2_32.lib和 mpr.lib库/ Y4 L, \. p. ?9 v5 C; j
% e- u5 t4 ^7 z0 {l #include winsock2.h( \# H! o! K8 E; a0 k# }
! f9 E4 h% ^( r# T1 e9 \, \/ }
CString strTemp;
* @4 Q; |% X! v: X0 }" H0 R) U9 H7 tstruct hostent *host;/ ]" v# t8 k) u4 n3 }
$ ]# m$ `+ G% L+ w2 V( f$ A2 Z
struct in_addr *ptr; // 检索IP地址 ; J4 g- |6 n, n y3 Q
DWORD dwScope = RESOURCE_CONTEXT;
7 P+ D ]# E$ }4 L2 D, sNETRESOURCE *NetResource = NULL;4 s$ w: R F8 `8 \/ V
HANDLE hEnum;5 R z Z) |1 x
WNetOpenEnum( dwScope, NULL, NULL, 5 u. T6 P" |$ |9 e- f) M
NULL, &hEnum );
$ S( U2 C4 z- s5 c5 j/ |
! v/ x( V" M- h3 b& {$ RWSADATA wsaData;
: j5 f) u5 ^& B2 P/ D. z6 h+ VWSAStartup(MAKEWORD(1,1),&wsaData);% h- P8 z8 \" k
2 U) y; @+ w' W2 d/ X
if ( hEnum )6 `: F: x4 v$ p- \
{( |5 b k4 W8 u9 W6 j
DWORD Count = 0xFFFFFFFF;
P9 Y; G2 c3 [0 Z: A DWORD BufferSize = 2048;
3 [2 {) [( @: @2 |4 g' O! \) W9 k LPVOID Buffer = new char[2048];" X8 b% J7 `/ z* ?1 o8 M# a; J
WNetEnumResource( hEnum, &Count, 9 k! u6 \# ^/ Z' U1 }
Buffer, &BufferSize );1 Q3 `6 i6 a0 D* H ^! c% o
NetResource = (NETRESOURCE*)Buffer;
. l' R+ T& w( w) S3 h. B# e
% O" O% r; q3 E char szHostName[200];0 H/ h; S0 h) F. |$ D, j* n0 m
unsigned int i;
% U2 }1 R# ]# Z: m& F4 {/ j% }
" O" I) e! T# [) x# m& [ for ( i = 0; 7 i0 R% r. j y) V6 Y" f8 t: `
i < BufferSize/sizeof(NETRESOURCE); ; b6 P4 v, _+ r; |1 H. L; J
i++, NetResource++ )
* i2 F9 i+ K2 \' T1 t. I {5 m& K: K5 m0 ?5 o/ e
if ( NetResource->dwUsage == 8 |/ x+ \! p% z2 r
RESOURCEUSAGE_CONTAINER &&
9 K4 A" x7 @: e M NetResource->dwType == 0 V& N; o5 F# l4 v( d% O$ y
RESOURCETYPE_ANY )
) A3 T# S0 p( Q' ]9 O- a& N3 \ {
; H; t8 @6 V2 t! N2 V if ( NetResource->lpRemoteName )9 e% N( ~& _+ E5 O# X* W
{" v5 W& j1 b3 W% `% s" ~
CString strFullName =
( r0 o, ~2 c4 H5 q NetResource->lpRemoteName;
' }: w4 U% c; r: p if ( 0 == $ N( O% w9 H- f# v
strFullName.Left(2).Compare("\\\\") ) 9 Y8 b4 F5 X( Y" i9 j$ d; C
strFullName =
! z) a3 ?& _) D& ?6 m$ [ strFullName.Right(; h5 ^4 @( o, X4 ?
strFullName.GetLength()-2);
0 n, j# y5 ?- a" S7 [& c8 p. ]2 C J( E! q5 o
gethostname( szHostName,
4 u7 ~, V# V# B3 Z- O0 Q strlen( szHostName ) );: g5 J" O9 m3 H
host = gethostbyname(strFullName); e" w9 L0 _* b# x% M
+ r; t8 F0 _5 K- h
if(host == NULL) continue; 8 f! ~' x: Y7 g( L s
ptr = (struct in_addr *) ) \4 f, e* {0 U& i; C/ j9 |% g/ k
host->h_addr_list[0]; 6 h$ N6 Z4 t0 z) i2 I7 G* }+ M$ c
) e; L1 [; H2 _! d& B/ h // =. 分隔开IP:211.40.35.76.
' J. q E+ i- z! O int a = ptr->S_un.S_un_b.s_b1; // 211 & j$ @0 l% v: A0 s6 e. |4 h+ K8 ?* ^
int b = ptr->S_un.S_un_b.s_b2; // 402 C6 I. d) I1 A8 G+ O8 F
int c = ptr->S_un.S_un_b.s_b3; // 35! G' Y( B3 v/ A( c r
int d = ptr->S_un.S_un_b.s_b4; // 76
+ I/ b! T! T2 C) D, V$ [1 p8 @! }; l ^ z. r
strTemp.Format("%s --> %d.%d.%d.%d",
1 q6 [% Q6 z6 R7 v, [$ i8 ^ strFullName,a,b,c,d);# P' S( @. ?3 g% m9 K9 r& Y9 j
AfxMessageBox(strTemp);
& a+ H1 d, _+ u }
' H& o/ T, R& J! u+ ]9 J- o }
6 E) P k H3 X; a3 F4 n t }" Y- d% d( G& l- l' o3 n) {
! \) U" b! c& t _6 B1 q
delete Buffer;: z8 T: N+ [- j: a$ X! p
WNetCloseEnum( hEnum ); 6 x& i0 _2 n0 N1 Y4 k1 A
}
) p8 L/ S6 W( b* i" s
, `7 N( t$ Q4 GWSACleanup(); |
|