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编程技巧20法(11-20)
8 g; j7 b) s7 t9 a5 {* O& {2 J+ [ 徐景周+ Z. X$ e8 n/ \9 o1 f
日期:2002-09-12 $ O+ A/ ~6 [' C- r& v
/ |* p6 E( K1 @" \' N& e
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11. 如何判断当前操作系统的版本" g2 S2 J% K \# B( a2 H
- v" l$ {; z( Q3 U* n! @//------------------------------------------------------------------------------------------------ O6 B$ J1 }3 B9 j9 U3 J }0 I
: O1 @; R, _2 D8 k$ T
//判断操作系统涵数及变量* `% _0 h1 ^6 S6 | C
6 \. v, K0 u1 U% v) B
typedef enum tagWin32SysType{& Z" M: P$ F4 x5 N/ t9 \ S
Windows32s,5 i8 C G# U( I2 a) X+ {( a; W
WindowsNT3,
2 m) ]1 o Z6 c+ }( x- p/ _ Windows95,
# Q( l: j) |$ Y8 S' v Q2 J Windows98,
, y2 A$ i0 r6 X6 k! `8 P WindowsME,: O/ s* Z7 P+ i+ Z$ B( T" t5 K
WindowsNT4,' K% o3 d6 ~; E' H9 B( q9 P {: B
Windows2000,! N) a& N9 p* ?$ x
WindowsXP
9 g8 {! {& ]# S* o3 F1 m8 I8 k+ I}Win32SysType;
, D. ^9 l; G2 ]( I& D
! l% a5 {2 M! g
$ s% o E1 F7 R8 h0 P//判断操作系统涵数及变量,jingzhou xu- Q# {0 I0 ]" q; i; L
5 O6 X, X4 s3 T/ s
Win32SysType IsShellSysType()
4 T: U' O E+ e {0 E: E$ T1 m{% U' X. J% ]- d4 J
Win32SysType ShellType;
" P* j( o T5 S! p DWORD winVer;: y. K( N, ~% M4 d5 E) W( \4 J: I
OSVERSIONINFO *osvi;
2 H6 w1 b% M' Q/ e
: P( Y6 \6 J0 C T4 R0 P winVer=GetVersion();& k; Y& m2 h( `5 d- P- E
+ E7 a+ T4 A* s% C$ J0 a6 P if(winVer<0x80000000){/*NT */
" T8 ~. E9 Q b1 K% k ShellType=WindowsNT3;+ z8 G* J2 g4 w2 p4 Z' V8 V' r- p
osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO));( ^! I# I$ d% R' X' U
if (osvi!=NULL){( W/ q n# Z8 ]; f* a% |( Z0 h2 X! l
memset(osvi,0,sizeof(OSVERSIONINFO));
1 R' U; Q: U. ]" [! k% Z6 h osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);$ h) _% _6 M) t1 I3 Z# _
GetVersionEx(osvi);& G/ g+ B7 A! B
if(osvi->dwMajorVersion==4L)ShellType=WindowsNT4;
- x/ H( t/ n3 s! b else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==0L)ShellType=Windows2000;
- @# l) B4 G y$ ]0 b else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==1L)ShellType=WindowsXP;+ L; ], D, V1 Z7 N0 z: h1 Z
free(osvi);6 x$ j" ]$ m/ s) Y1 m0 w
}/ l0 ?0 `0 D4 {, q, [; o% W
}
* X: H* a0 K7 S2 e) Z. I5 Y+ ?! u% r else if (LOBYTE(LOWORD(winVer))<4)
7 c6 ]# C# q: K& w. v N. X ShellType=Windows32s;
( N: s2 U& I& T' t0 e else{, a9 K" x6 h8 T: H
ShellType=Windows95;
$ e: K3 I) z: E8 X: O$ Y$ y osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO));9 Q& i' |- I% [( C
if (osvi!=NULL){# Y) ]) v* q' I5 g% C5 U
memset(osvi,0,sizeof(OSVERSIONINFO));7 a# w. G+ Y0 W2 G+ `( K
osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);+ r+ D; w* k& |' ^: l& c( q
GetVersionEx(osvi);
; I5 h$ f. I# i$ V* c7 D if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==10L)ShellType=Windows98;* j- S3 j! S M2 ^5 u1 V+ Q
else if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==90L)ShellType=WindowsME;- J# s; r/ F9 j0 {6 U: i% G
free(osvi);
& k; v! g" F) H+ Z/ W8 B" |$ J0 C }
/ R! h B! G! e7 d7 i/ ~% a+ g5 s }
4 G) I2 x; y+ D9 n return ShellType;' M* {! i; E( O$ r, N5 }6 G4 k" E' a
}
2 s, R( z( e5 E. A, O
2 W: ?9 t8 M) z* ~/ Y//------------------------------------------------------------------------------------------------
. x$ \. h" e2 E8 [5 c' b6 Y
% ]% i# V& i3 \+ p, l4 @: T( ]! E6 E; F: L4 I% T
12. 如何在指定矩形框内水平/垂直显示多行文字' J, }. _7 y% t8 a! P9 o2 T
+ u) ^$ j6 R' S3 g6 U4 q8 o0 A
///////////////////////////////////////////////////////3 K8 z0 o* |7 n- T7 r/ O
//说明:
/ D7 a1 H* k( d// 在矩形框中水平或垂直显示多行文字,jingzhou xu.1 U' g# {4 [* t6 a- q
// lMode: 排列方式,0:水平方式; 1:垂直对齐
/ Z a$ j" J* o* c9 G, U5 K" ?// lHori: 水平对齐方式, 0:左对齐; 1:居中; 2:右对齐; 3:自定义$ K4 Z0 b7 l% ^
// lVert: 垂直对齐方式, 0:顶对齐; 1:居中; 2:底对齐; 3:自定义
2 r( `8 q1 u6 b6 R: x' M3 u///////////////////////////////////////////////////////: l5 i& Y4 a/ `& w
. j6 b' M; B( h" B5 ?& P# h$ o- d; a' a
CRect DrawTitleInRect(CDC *pDC, CString szString, LPRECT lpRect, long lMode, long lHori, long lVert)
\1 l" M/ V, w- z- z{! v; T! ?, J( Y' ~8 {& A+ n
TEXTMETRIC tm;. m8 r y* Q" M
pDC->GetTextMetrics(&tm);
0 g5 x/ ?, X/ M- R int tmpWidth=tm.tmAveCharWidth, tmpHeight=tm.tmHeight;% A( M5 |; M. O+ m6 Z$ |% H
) ]: s5 h8 z! x( {, {
CRect rcInner(lpRect);; I; _8 V/ {0 C4 d, W
if(lMode==0)# n6 h; k5 f. s
{) X C) G" H1 S. a; f; X; K
rcInner.left+=tmpWidth;
8 [' M& @/ A0 M/ q4 b6 q+ u rcInner.right-=tmpWidth;, U r: \! J1 {
rcInner.top-=tmpWidth;- E2 N1 M3 r: [7 e+ ^
rcInner.bottom+=tmpWidth;
2 r0 g6 M' V7 }" I) D! T: j }
( Y/ Y/ \# v1 c6 t if(lMode==1), E, X3 R. N$ R) p# A( `8 q+ ]- q5 a
{/ f1 s. H" \% V
rcInner.left+=tmpWidth;# L0 v3 ~1 l* N \
rcInner.right=rcInner.left+tmpWidth;
: I% Z% o# c, G! \8 \. a# o) f rcInner.top-=tmpWidth;
4 ]5 n8 S: U! u rcInner.bottom+=tmpWidth;" X- b1 S% L# _
}
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pDC->DrawText(szString, rcInner,DT_CALCRECT); Q$ ?0 O1 U2 X P+ Z* B
switch(lHori)! B3 E( b. B" Q b, d) J
{
, \; S" q% i" O0 N' @ case 0:
- x5 `0 {% m' k! h0 U' [3 ^ break;' m. Y$ H" m0 n4 y
case 1:
: J1 V) J' C' u S6 ] {
& R: H3 @& W7 H o4 Q5 y) S long xOutCent=(lpRect->right+lpRect->left)/2;
+ T; N* N% M! Y long xInnCent=(rcInner.right+rcInner.left)/2;
/ D; P! d7 ~4 _% ^ rcInner.left+=(xOutCent-xInnCent);
& i G I8 k# h! X. m5 k0 P+ ~ rcInner.right+=(xOutCent-xInnCent);
T6 V% o( Q! v6 O( d; i( @. ~ }
6 Y+ W2 X" j% O! S, U Q% `' _& T6 O* ` break;
2 [/ O* U w: y* h6 |6 Q7 p case 2:; Q* G0 f6 _8 k1 d
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long lInWidth=rcInner.right-rcInner.left;* ~) c" Q9 _; K8 P1 x# U
rcInner.right=lpRect->right-tmpWidth;3 `' q8 H) b* w
rcInner.left=rcInner.right-lInWidth;5 m/ p& p( ~9 j3 n: }' J8 F
}- n; t+ b( |2 T9 V" a
break;
# r% U4 D' R. E default:
: B6 p# V; R5 d0 x break;6 q# `$ r! C: c/ D/ k
}
' z* g' U+ V# I u" ]1 p2 Q+ @, s; o
switch(lVert)
& L# t3 ^& Y, @, I {
: ^3 a% \& ]: a" ~. i5 I9 k1 p$ } case 0:1 H) ]: E. V4 y7 a/ u" w
break;
. k, G5 j$ E/ e! B3 R2 M case 1:( F+ `9 ^( Y- l& P; G0 P( T1 e
{
' B; k5 d4 |' o( ?. Y7 M9 x' X long yOutCent=(lpRect->bottom+lpRect->top)/2;8 W R: ?* y d5 _$ W3 u
long yInnCent=(rcInner.bottom+rcInner.top)/2;2 F u2 `. T' o+ F; h6 \' T
rcInner.top-=(yInnCent-yOutCent);8 q K9 h6 d) p2 G" C; e/ s
rcInner.bottom-=(yInnCent-yOutCent);
6 |+ p+ ]0 O/ H; p/ _ }
( I4 ~ r) s! ] break;2 L/ b: K% q* m% Y$ T; l
case 2:1 n! w( J8 ^$ J8 G4 a! \
{
, u. @, w* Y$ W" T( H long lInHeigh=rcInner.top-rcInner.bottom;
. M* j" H9 b3 ^5 Q m rcInner.bottom=lpRect->bottom+tmpWidth;8 s! Y& s- e, U9 i0 \4 g: O; z
rcInner.top=rcInner.bottom+lInHeigh;
4 h" ~$ g2 `( a. h } }! R0 l8 K# g2 A2 d
break;
8 D3 [1 v4 l \ default:1 t, O% W: _2 y/ Z+ \( t, b
break;1 p& A/ Z% G6 u4 C
}7 g# \) e6 K2 R1 K/ S
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//---------------------------------------------------------------------------------------------' |3 T7 \8 L" b
//功能:根据新、老矩形,重新计算行数,使文字多行显示,jingzhou xu4 K D: B _* }" z% ]7 [
//---------------------------------------------------------------------------------------------
6 H- W2 D1 c: Y/ ~ //一行中最大字符数
% M* T/ B. ^; J int nMaxLineChar = abs(lpRect->right - lpRect->left) / tmpWidth ;
/ \! M8 j o& a1 {; s //记录当前行的宽度2 T2 P1 @# E9 L
short theLineLength=0; ! p- C. u9 j: d W
//记录当前行中汉字字节数,以防止将一半汉字分为两行
0 r8 g3 u; a4 C9 g( d7 i$ e+ L unsigned short halfChinese=0;: y5 A1 N7 L! L" n' c
# b9 u8 a. y) `( C for(int i=0; i<=szString.GetLength()-1; i++)" O$ s8 S S# ?; Z" H
{
3 o& \ M7 i& _9 O% v4 J if(((unsigned char)szString.GetAt(i) == 0x0d) && ((unsigned char)szString.GetAt(i+1) == 0x0a))% Q$ ? d5 A h( f) M9 z) s! O: e! Y
theLineLength=0;8 m! N- | L6 M6 G) H
. |; s8 q$ K) _( `" @* X" o0 O //大于0xa1的字节为汉字字节- R* S$ _2 s6 q
if((unsigned char)szString.GetAt(i) >= 0xA1)
2 S8 l' z, a7 V3 C halfChinese++;
: p' a$ N7 k! j theLineLength++;+ l W; b/ A _" H
# W: ^! Z$ ]6 |+ `3 k9 M6 H
//如果行宽大于每行最大宽度,进行特殊处理
. n0 R- L2 i$ u0 M4 Y7 N5 V6 W if(theLineLength > nMaxLineChar)0 S! A- D, U" l* m
{
, |, }$ t5 g" o# y" P, k- M //防止将一个汉字分为两行,回溯
' L# _; F: k( G; Z. E: w {( j8 [ if(halfChinese%2)
% ]9 J# L# {9 z4 [ {. I+ L8 n; J) p" K
szString.Insert(i,(unsigned char)0x0a);3 _ K# n: q" P% B
szString.Insert(i,(unsigned char)0x0d);
. G, u; M, Q7 ~4 K5 a ? }5 l0 n7 u. {# P2 f; J; L
else0 e0 Z2 r1 y9 B2 }. {' x6 C* I+ o
{
3 V( v4 F7 u4 \. [' r' P9 M szString.Insert(i-1,(unsigned char)0x0a);' w/ P' k* q! w P6 P1 }
szString.Insert(i-1,(unsigned char)0x0d);
2 u( z7 B7 g9 P% A; U }+ f' c X6 M0 E2 P9 M5 U; Q
6 C8 H+ b9 _; t6 c# N theLineLength = 0; i) g- R* Q, C9 O, k" k" c3 P, M7 F
}
# P" y: X5 ~/ ^0 u* Q; @3 w* o }
/ d2 s3 ]0 o! u" t) G6 ?: w( @: G3 p
//重新计算矩形边界范围% M$ x( _: y( g7 e# r& W
// int tmpLine = int(abs(szString.GetLength()*tmpWidth / abs(lpRect->right - lpRect->left)-0.5));
7 H6 ~/ S' V/ I3 ^3 P S. I% q0 d* o0 N# N! ?
// tmpLine += (szString.GetLength()*tmpWidth % abs(lpRect->right - lpRect->left))? 1 : 0;
5 } P& O: s1 ?// if(tmpLine == 0)
" e, E4 q I7 u- ]7 H1 q! r// tmpLine = 1;9 D$ V% T$ U+ Y: E. q0 T# B
9 t& Q" v; f# c4 R$ x! i
if(rcInner.bottom > lpRect->bottom)
6 _1 @8 X6 z, M4 V7 b/ j7 O$ z rcInner.bottom = lpRect->bottom;
/ y' V4 t' u0 H+ \ if(rcInner.top < lpRect->top)
4 A/ k" j5 z3 c# G" q7 } rcInner.top = lpRect->top;' L3 V7 {6 B- \; H/ l
, r( h+ a$ Y) l3 m( l! S
//---------------------------------------------------------------------------------------------6 U6 p) s0 m" L( Z+ p
3 K3 z* i* u$ K* F+ Z; p: U if(lHori==0)* [ x) v1 U/ z, S: `
pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_LEFT);
" c/ W# e2 H% B# Q- S5 Q else if(lHori==1)9 p C* S- N( M" ]; I- |* T
pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_CENTER);
& U/ v* \3 O3 q) W! N else if(lHori==2)4 s0 d5 @- U& \' j3 y$ v
pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_RIGHT);( ?. b0 }- |8 I1 o0 y$ u
return rcInner;
+ ?2 v- @; ?- i6 l! i; K! r}
( }0 E* z+ _! W6 n' l7 l
0 x0 x: B+ P4 Q: E) @, V
, ?0 g4 e9 [4 t, P6 z1 x% ], S# Q8 V, E13. 如何在指定矩形中旋转显示文字6 e3 C1 v; Z7 b
& f( C" g/ a2 P. R/ q
///////////////////////////////////////////////////////
; X. z2 f! s% S//说明:
% |) j+ Y2 z8 H( V2 S// 在矩形框中旋转方式显示文字,jingzhou xu
\- M+ a- v8 d% h6 T//参数:
% H; c4 _8 _) \ U// pDC: DC指针
0 ^% z7 n0 ?4 L! n// str: 显示文字
* q& u+ h3 l1 X, n) D% A// rect: 显示范围1 F, l5 J* w8 x8 |
// angle: 旋转角度
4 ? @8 w# {( s8 u7 R// nOptions: ExtTextOut()中相应设置
+ v- E# @, P# H, U$ P: A9 S///////////////////////////////////////////////////////( H+ N9 T$ L$ s
/ J! z _9 i& F3 _) Vvoid DrawRotatedText(CDC* pDC, const CString str, CRect rect,
3 X4 T( I/ O* g6 V double angle, UINT nOptions)
; W' O! d: c8 c$ e, j/ u{3 o/ [; M4 U. B4 v6 K
//按比例转换角度值
% ~/ Z3 O! x0 }0 s2 H double pi = 3.141592654;* K0 @' c- K5 W9 }4 ^& w
double radian = pi * 2 / 360 * angle;% }$ h; U2 h) q% {6 \! r/ H/ s
5 |$ @) e6 U( J0 j8 k2 q //获取显示文字中心点
) y5 l9 Y a2 v; Y8 |& t( U CSize TextSize = pDC->GetTextExtent(str);" W0 q6 I; m! p f- ^/ M$ U
CPoint center;
+ g: q2 A4 M/ A' D P3 J center.x = TextSize.cx / 2;
3 k" f5 e8 j+ }6 N center.y = TextSize.cy / 2;
3 b* c u ?6 ~- _$ T7 P( |9 S$ P* N \
//计算显示文字新的中心点
; U& |6 K8 ?& K) A8 I CPoint rcenter;# `- s' R0 O; T5 Z4 _1 M
rcenter.x = long(cos(radian) * center.x - sin(radian) * center.y);
4 s `% Z$ z5 V! w. b; C4 Y: D3 V+ j rcenter.y = long(sin(radian) * center.x + cos(radian) * center.y);/ X8 _5 ~1 s6 S5 Q- [ \- S
3 w' o' U, q" | g- A
//绘制文字
: u+ ~5 ^& u/ N8 ^! ~# r7 A% s6 q pDC->SetTextAlign(TA_BASELINE);5 o7 L5 C- d9 C3 n0 W; o% ~+ }/ n
pDC->SetBkMode(TRANSPARENT);
- r- V; \6 r) c+ ` y' R% D pDC->ExtTextOut(rect.left + rect.Width() / 2 - rcenter.x,
8 a7 S3 z. Y' M/ F# b rect.top + rect.Height() / 2 + rcenter.y,$ g, m0 I! m# ]7 k$ T) Y+ s* c6 t
nOptions, rect, str, NULL);
9 |9 D* Y; k/ o6 b+ N2 v3 q}' d7 F: u5 Z3 O3 }/ L U9 x1 H
% D% ^ P2 K) f$ \$ Z
0 [# @5 q6 @* K7 e. t: ~+ i4 d
14. 如何将32 x 32像素图标转换为16 x 16像素值的图标+ Q: n' e. d( R( N/ y, t: q
4 {* D$ T0 E# v7 O7 v) ?HICON Convert32x32IconTo16x16(HICON h32x32Icon)9 s% r6 i9 P6 P9 u' W; y
{+ Z2 \3 a) b6 C% _6 V# M$ `$ e( a
HDC hMainDC, hMemDC1, hMemDC2;
* Y2 s7 I: V4 w5 f* x HICON h16x16Icon;1 O. r* i" F$ R+ e/ ?4 C
BITMAP bmp;( p, N( v2 }2 s+ c2 A, `
HBITMAP hOldBmp1, hOldBmp2;: F7 M7 i/ c3 b! |0 e; D2 t
ICONINFO IconInfo32x32, IconInfo16x16;1 P' B6 I/ n9 j; ?( G
, m* m9 d) ^/ Q; j/ [ GetIconInfo(h32x32Icon, &IconInfo32x32);
" k, L" d& Y. K7 F$ b" p7 ~$ g1 Y1 J
hMainDC = ::GetDC(m_hWnd);
/ c8 r Q+ ^' p( [7 q hMemDC1 = CreateCompatibleDC(hMainDC);
+ z* l, v8 a. r7 J- X5 h3 V4 n# y hMemDC2 = CreateCompatibleDC(hMainDC);
* q+ X5 [; y6 B& W% z1 _
8 {& F+ N6 m' U- c, \/ W+ i6 h4 z GetObject(IconInfo32x32.hbmColor, sizeof(BITMAP), &bmp);+ i+ K) l Q! ? L9 K
5 F4 B8 |2 C) }) |: i4 D IconInfo16x16.hbmColor = CreateBitmap( 16, 16, 4 i0 J) S! I6 y/ n) `
bmp.bmPlanes,
+ K. `" t& O: \% n/ ] bmp.bmBitsPixel,
6 U& T6 L0 C) f# W) x NULL);
: |3 N& O: @+ A' Q2 h6 ?1 u( ]6 j2 f5 b7 l& E
hOldBmp1 = (HBITMAP) SelectObject( hMemDC1, . B; Y! n. c5 G, B' o( m, H- ^
IconInfo32x32.hbmColor);
9 X1 h9 F2 T5 \$ n hOldBmp2 = (HBITMAP) SelectObject( hMemDC2,# |/ Z( M$ v/ T/ J# K$ l7 f
IconInfo16x16.hbmColor);
" l1 P3 t+ ~7 A( e7 V) Z$ }/ Q0 t7 Z! B/ t# ?1 S L
StretchBlt(hMemDC2,
& H6 I/ @$ p% o& r) p- k+ k1 l: A 0, 0,, i- p O* X: r7 R6 [$ `
16, 16,# F) H) A7 e% ]/ e0 s
hMemDC1,2 |8 Y# X! G, W" j& G) p/ J: h
0, 0,; p1 C- m9 B6 D1 v
32, 32,* C; H- k- M* v6 k! w" A
SRCCOPY
7 n n3 b' W* H- ]5 C5 b0 o );0 q" }$ M. c8 ^7 X; A; r
- O6 _) P H# D8 }3 A. G6 n
GetObject(IconInfo32x32.hbmMask, sizeof(BITMAP), &bmp);
- Y$ B7 U4 S4 Z: C4 u) ?2 w1 [ z$ r3 L! C' O* N- ?& J( Z0 k9 G/ v- a
IconInfo16x16.hbmMask = CreateBitmap( 16, 16,
* _9 K) V$ i( S- d- W bmp.bmPlanes, . z9 A" w7 a7 |3 B% T. N9 b
bmp.bmBitsPixel,
* l2 ]$ j' K7 r8 S o" W NULL);
4 E8 J& |7 C8 T! g7 g& }! @% a" t& P8 T6 D- ]( u
SelectObject(hMemDC1, IconInfo32x32.hbmMask);9 U- y5 W& h- o
SelectObject(hMemDC2, IconInfo16x16.hbmMask);8 j" u" R7 p5 i. e/ [# v
3 f- r" g, A/ v0 u7 g' z3 |
StretchBlt(hMemDC2,
2 L% S8 @5 E; Y, j$ u 0, 0,
6 V$ G1 _' N% T 16, 16,
5 P8 }7 `* Z8 a3 `9 J# e0 {: u hMemDC1,
" q4 H2 B% h8 T. ?: } 0, 0,
5 ]( \) I& h( [: s 32, 32,; f2 g K' J& ^5 B) F; F2 M
SRCCOPY$ ^9 j# _+ x" W& ~( n/ F0 f
);: [$ L: I5 F, y& l7 _' D
1 ^* ~& G& s' ?8 v SelectObject(hMemDC1, hOldBmp1);
' `/ u1 ^/ w& @. Z; X) h SelectObject(hMemDC2, hOldBmp2);1 D. \& ?# m; X& X* m8 V3 o
9 g# t+ L- W& u- O3 @ IconInfo16x16.fIcon = TRUE;
" q- D5 U) n, z1 k. ^! G, ?2 j7 l( t h16x16Icon = CreateIconIndirect(&IconInfo16x16);4 {+ y5 A- a( B5 q2 a! N
DeleteObject(IconInfo32x32.hbmColor);4 x( a7 W) T% }2 y$ E9 C7 ]$ v# Z
DeleteObject(IconInfo16x16.hbmColor);3 T5 p3 {9 n. u
DeleteObject(IconInfo32x32.hbmMask);
2 R2 {0 Q) ^. J, m! o" l& l DeleteObject(IconInfo16x16.hbmMask);" c- l1 {/ b6 {0 v
DeleteDC(hMemDC1);
# X/ o9 C! A2 l9 K3 p3 \& q DeleteDC(hMemDC2);
! E" d' C) Z G2 l2 s; z d7 S v" f4 A! w. Z
::ReleaseDC(m_hWnd, hMainDC);: M) m6 O- v+ H& D; T% x: H# E3 Q( v
return h16x16Icon;1 Y& ?8 v/ j+ a) _+ K
}
0 z8 S' p f: Q7 ?6 W' E; Q; ]: P, l( O8 L* y
( x/ |3 E3 s, X w' }0 g( H
15. 如何建立一个灰度级图标
* o* g* D* T' k' A: l% ^( m2 b
8 V7 E! Z' D7 CHICON CreateGrayscaleIcon(HICON hIcon), h& ]2 f9 ~, r$ u' z ^4 i1 m
{
6 e# Z. R& Y# ?' ~& Q# R* C' J HICON hGrayIcon = NULL;* S1 _$ ~# f' e# `
HDC hMainDC = NULL, : a* k7 \4 y" G, N8 g( J
hMemDC1 = NULL,
2 {4 _, O% h& F: e+ u0 ~' _) Z hMemDC2 = NULL;3 w- t4 _1 e7 s2 l, O ]
BITMAP bmp;8 b- |3 P" Y4 P2 g- z
HBITMAP hOldBmp1 = NULL,! D* g. U9 w; [. u
hOldBmp2 = NULL;
+ z2 q$ S7 d# N6 c7 H$ V9 v6 N; D ICONINFO csII, csGrayII;
3 f! P! N) P I- c, \ v BOOL bRetValue = FALSE;2 w! Q; ?7 |+ V2 _; B
) D& L( l: B# C2 l
bRetValue = ::GetIconInfo(hIcon, &csII);
; v9 ?. I p2 f+ [1 J0 O$ f( [1 O" I( M$ F$ K: P4 `
if (bRetValue == FALSE) return NULL;$ o, U! }) N) m! A
# n5 o" g! F& b* Z3 J hMainDC = ::GetDC(m_hWnd);6 r5 b5 E6 L- p9 a
hMemDC1 = ::CreateCompatibleDC(hMainDC);4 i. k9 x7 J6 h: [1 a, s8 |$ v
hMemDC2 = ::CreateCompatibleDC(hMainDC); _$ c8 H, p4 J6 U0 I2 y5 q4 o0 B
if (hMainDC == NULL || % n& s3 I& R, l2 D+ {6 T- Y* X Y
hMemDC1 == NULL ||; X i& w; H3 v% j& T
hMemDC2 == NULL)
' b3 h; p* t A/ \ return NULL;
/ F1 G$ u6 H, { b
: b' p7 e+ ]" B$ C if (::GetObject(csII.hbmColor,
5 X4 \3 X0 ]: W, z& @ sizeof(BITMAP), &
- j# Q* T$ ?! v9 Z1 y amp;bmp))- }2 G/ g5 u# k# e* S5 `+ \. o& m
{
: _4 ]4 G6 b+ b' l# w: L csGrayII.hbmColor = ! `3 _7 S& d- d
::CreateBitmap(csII.xHotspot*2,7 d0 M5 x3 i! {. c6 H# d
csII.yHotspot*2,
) Q/ w; {8 w% P# I$ C8 p bmp.bmPlanes,
" v3 r5 v3 {, \5 q5 ` bmp.bmBitsPixel, , W. C/ e1 }$ I. E6 v
NULL);% J& u3 T& p$ t+ D( t. T5 u
if (csGrayII.hbmColor)( N" a9 ~% S) y0 x7 R
{
1 Y& C4 o& @0 s4 v& J( W hOldBmp1 =; w3 R3 m! ?8 z# e! z
(HBITMAP)::SelectObject(hMemDC1,
7 h$ R0 i& n4 _9 F2 L/ }( w8 f6 z csII.hbmColor);/ r5 b* Z+ r9 V \
hOldBmp2 =
7 H- c, Q: ?& `2 o* I1 @3 \ (HBITMAP)::SelectObject(hMemDC2,! I7 N& `6 G. _4 I
csGrayII.hbmColor);
X2 Z4 [7 d) M+ g+ e0 L( Y$ n! W# g
::BitBlt(hMemDC2, 0, 0, csII.xHotspot*2,
% z6 p' K. g, M csII.yHotspot*2, hMemDC1, 0, 0,
- e5 A( d% w) E: g SRCCOPY);: X- G A) K' u2 r y8 w+ F
/ a. M5 G& o; X! N6 l8 v' E' \ DWORD dwLoopY = 0, dwLoopX = 0;- X* t3 I0 h5 Q, C; E$ ?' W' k
COLORREF crPixel = 0;7 e/ s* N6 ?+ P; U% I+ J. r8 l
BYTE byNewPixel = 0;, k6 c4 Q& W) ^( { c' C/ ~
for (dwLoopY = 0; dwLoopY < csII.yHotspot*2; dwLoopY++)( u" p4 }+ `) ]) `& R# `
{# B" x- j9 p% X B7 V; p; a
for (dwLoopX = 0; dwLoopX < csII.xHotspot*2; dwLoopX++)
1 t& K6 z7 e" s7 v, q9 m8 g {
3 J. b/ T5 ~* u, C: X' e% j# q5 [# J crPixel = ::GetPixel(hMemDC2, dwLoopX, dwLoopY);, I4 [* \( i, m! d b
byNewPixel = (BYTE)((GetRValue(crPixel) * 0.299) +6 @" z+ |6 O+ G& H; I0 O' z0 Q
(GetGValue(crPixel) * 0.587) +) U$ {. w8 j3 b5 v4 D- Z* ]9 Z* o
(GetBValue(crPixel) * 0.114));9 T, l* m; E6 x$ q
if (crPixel) ::SetPixel(hMemDC2,# S4 W' l K: F
dwLoopX,0 x) [+ k. ?- t$ Z, H8 Q: [9 i
dwLoopY," b- ~# y/ X7 H* \ F& w
RGB(byNewPixel,; F: l1 |6 }8 a h* F- e6 Q
byNewPixel,
/ O6 r3 p) A5 M$ S: D, E byNewPixel));
8 N. l( z6 D) G) ~* w @ } // for$ z. c- E6 U* Y% p5 @, p
} // for- q! ^8 P; g0 S; K* ^3 [
::SelectObject(hMemDC1, hOldBmp1);
5 Q9 v0 u0 \/ L" e& O3 u ::SelectObject(hMemDC2, hOldBmp2);, C; D& \7 T' H+ K3 h* k" t; m
/ v6 B$ S S. n# o7 J1 ~ csGrayII.hbmMask = csII.hbmMask;
6 [; q: e5 B' F) @ csGrayII.fIcon = TRUE;4 o, _ T; m4 f9 Q# b$ d) d
hGrayIcon = ::CreateIconIndirect(&csGrayII);7 L) j, Y3 s( f
} // if
. k& k/ K' e1 ?& S : eleteObject(csGrayII.hbmColor);9 D5 G% g/ m% ~: [
//: eleteObject(csGrayII.hbmMask);& [0 z+ ]. Q3 E' T; Y1 L
} // if
6 c5 J" _8 j* n' Y4 S% r1 { : eleteObject(csII.hbmColor);6 {" G/ a- e' \ I5 g& \
::DeleteObject(csII.hbmMask);& F+ y5 B% Y2 S4 I
::DeleteDC(hMemDC1);# g& u, w/ q3 @) R$ l6 b0 S
::DeleteDC(hMemDC2);
- P# Q# r$ a5 M+ P ::ReleaseDC(m_hWnd, hMainDC);
# O- B$ I: b& I2 T1 }1 J
! A5 X% E0 l' H( M$ O6 C return hGrayIcon;
/ q; v. |- B g' N}
+ L/ y+ ^4 v- D( _" U7 v
# Z }0 @1 u$ T. N% U
0 I& b7 A, ~9 Z) a- G16. 如何按指定角度旋转显示内存位图(用法和BitBlt类似)
0 r. L0 I9 ^* `: ]3 ~" N) K0 L$ l2 V& h8 b
void RotBlt(HDC destDC, int srcx1, int srcy1, int srcx2, int srcy2,
) O2 M# G" e0 k- B- O7 N6 }5 R- }( s) s
HDC srcDC , int destx1, int desty1 ,int thetaInDegrees ,DWORD mode)& m- b; h/ [3 O- n( d! F2 x$ V9 a* _
{
/ c E: s O) J% G, n# H$ h double theta = thetaInDegrees * (3.14159/180);; x6 ?7 {% a E' w& }; o
/ U2 j9 [7 y9 H1 u2 ^3 X- U //原图像原始大小. f; p7 ], ?+ V
: O# a/ J" [7 ?% @- N" S" y
int width = srcx2 - srcx1;' V" t" q: f0 {* [, g
int height = srcy2 - srcy1;* e& ? n! e0 i, c8 s$ @8 |/ |! \
1 c# k4 {& q9 c- s' X' b
/ N# ~, O6 ]0 f: z2 _ I
//原图像中心点' s. y) W" C6 [7 l r; f+ `
int centreX = int(float(srcx2 + srcx1)/2);
( z% X* Q1 B5 z8 B! y S6 L int centreY = int(float(srcy2 + srcy1)/2);. I B9 p4 i& X+ f6 u9 v0 p
1 _3 w" Q9 g; Q3 [5 m% ^ L //判断出图像可以沿任意方向旋转的矩形框
1 v9 N: A+ e4 R" O/ Q5 B if(width>height)height = width; z: | y& G: t) a+ q" T- a3 G/ N
else
* _+ r( k) B4 S* C width = height;
" R( L2 _4 ?: ]5 A' g3 ?/ C& R {/ D" y8 U4 k3 j
HDC memDC = CreateCompatibleDC(destDC);
5 U" ^' C- U; U9 ?0 G% l8 J HBITMAP memBmp = CreateCompatibleBitmap(destDC, width, height);& U1 f- Y8 W3 r4 @* O3 `9 u( |# t
* p2 T% w: V( z8 X HBITMAP obmp = (HBITMAP) SelectObject(memDC, memBmp);/ [4 b3 ?! T# a, [
8 e6 B1 W/ l3 a4 }; U: T4 X% T: V: x* x$ G$ C
//内存DC新在中心点3 z* `, H& ^5 X% `$ a4 g$ ~, @) t
' S- D! q- [" r- O' b
int newCentre = int(float(width)/2);
5 [9 l) k9 L8 r# @ //开始旋转
. A1 \* ?) `, A, o6 G$ r$ p; r for(int x = srcx1; x<=srcx2; x++)) T$ r5 w- H& Y: u3 \2 }
for(int y = srcy1; y<=srcy2; y++)
% y+ ^2 q8 x- ?3 N) `5 a, g5 J3 ] {& R7 ?7 h# M7 r8 M
COLORREF col = GetPixel(srcDC,x,y);
1 p/ H0 \7 n# ^ int newX = int((x-centreX)*sin(theta)+(y-centreY)*cos(theta));
$ g: v! G* f( ~3 C. l1 D! ?+ R int newY = int((x-centreX)*cos(theta)-(y-centreY)*sin(theta));
9 Z. i" F3 ~9 i( K, G SetPixel(memDC , newX + newCentre, newY + newCentre, col);
' K! E1 } Z* F; i" r5 k9 ]0 d }
+ x! I1 q' F k$ ~; O7 h8 T$ [% h5 z( r; o. _% q) X
//复制到目标DC上
8 v% e# \" f( R! X1 r BitBlt(destDC, destx1, desty1, width, height, memDC, 0,0,mode);( E( g* H; d. k
//释放内存/ b; X+ |2 t+ [! z7 x$ T) ?
SelectObject(memDC, obmp);
/ a, T: B" R+ g; ~* C DeleteDC(memDC);, L- K! k( S4 I
DeleteObject(memBmp);" D3 i% V5 f8 N5 }$ r3 @
}6 [0 J7 t1 G% q6 n3 h& b
/ S4 S; G2 b3 e( Z5 e* u1 u
; `- I4 \+ u: U& M& J2 h& w/ B( g& P用法:9 V; G, N! r: `2 P" E
! L1 z- M$ O# ?RotBlt(dc, 0,0,150,150,memDC,200,0, 45, SRCCOPY);: \9 j2 d# J1 _2 z, ]0 o3 m* @
7 B# m4 P5 l. T7 W2 T
+ a* c4 r2 [$ y0 I, q* k, _( l* _17. 如何将指定的窗体,以位图形式复制到系统剪切板上) z- [+ k3 h8 Q" g! l1 {
e& s* G; K$ \7 r# M3 ~2 ]
void CScreenSnapDlg::toClipboard_Bio(CWnd * wnd, BOOL FullWnd)
* k1 f. F. B1 O* [4 R v# p) I1 X$ h{0 S) `6 E# u% ], i+ X, d
CDC *dc;
9 @9 `& ^ i; D# Q. n if(FullWnd)
6 M% ]2 t' h" x; R! B z { /* 抓取整个窗口 */
1 D9 m1 F6 I( t' o' \! p6 W9 l dc = new CWindowDC(wnd);
: I: C4 E% m& d( S+ g2 ^3 P } /* 抓取整个窗口 */8 r" |3 u- V: m" |; i0 Y+ E
else9 s* f$ `3 H! H7 m" {
{ /* 仅抓取客户区时 */8 Q# d5 P5 P: ]$ B6 c$ P5 x
dc = new CClientDC(wnd);
! G o) G) |1 f+ d( A } /* 仅抓取客户区时 */
n F* g2 N) M/ I% `3 d8 w2 u4 Q x
CDC memDC;
# O* ]* d* R9 ?! Q% p memDC.CreateCompatibleDC(dc);
6 Q- p/ K: T s, P0 h* z/ T% E, J& {7 m; l9 f& J( J+ c) N
CBitmap bm;
& g$ }" i0 d9 Z$ s CRect r;* G( Q. L$ a# c
if(FullWnd)2 w i/ v: y2 L( q$ L
wnd->GetWindowRect(&r);9 V$ U5 A1 G5 D. h
else
! o( \0 o1 f9 a1 g, l wnd->GetClientRect(&r);
% O; r1 V# [7 o& W4 h2 c6 Z
- l7 V y+ g, Z8 w9 L3 f C CString s;/ L Q2 K! H0 B& w# i% C
wnd->GetWindowText(s);
0 j: a0 ~% f8 x/ i+ Z( B CSize sz(r.Width(), r.Height());; l5 K6 a7 D' @) f V% g
- O, |. i1 ?) y6 q. F) _! O bm.CreateCompatibleBitmap(dc, sz.cx, sz.cy);% }; f7 f$ Q8 ]) N2 e+ U' N9 O
CBitmap * oldbm = memDC.SelectObject(&bm);+ [5 N+ R B' S* z# [) b8 O
memDC.BitBlt(0, 0, sz.cx, sz.cy, dc, 0, 0, SRCCOPY);5 x6 E3 N9 h) d6 h
9 {8 v: G! g( b, F* u
//直接调用OpenClipboard(),而不用wnd->GetParent()->OpenClipboard();
& J) M V) M8 ]: @+ Y9 q4 g wnd->OpenClipboard();( f5 a1 f0 T, v$ |
::EmptyClipboard();8 u2 Y$ T& ?3 S! u
::SetClipboardData(CF_BITMAP, bm.m_hObject);
7 y/ K, m8 H; n8 y& z8 J CloseClipboard();
2 U5 \8 C' x' D1 B$ ?
% O' |& T( \/ W( F: C+ ]5 q" F //恢复原始环境" f# v: s6 K' |7 ~' P3 g- _
memDC.SelectObject(oldbm);4 S; d& w, N# J! n4 x2 l5 `/ F
bm.Detach();
" i4 n$ e6 T( ]) }( ^0 g. m' k: } delete dc;+ j$ n3 y" `; V7 G) x% T; T% O
}: [& _+ M- o+ o5 H
, n9 F* c/ h" H5 E! P
0 c. Z; K" o" _. y2 P18. 如何替换HBITMAP中的颜色值
- X- j1 y1 H8 ]1 \* G
& L3 Q( V) H: }, N+ k% c& Y#define COLORREF2RGB(Color) (Color & 0xff00) | ((Color >> 16) & 0xff) \" C$ c: M l" |) H/ o+ Z
| ((Color << 16) & 0xff0000)
J7 h& p( s* B+ y3 n8 z) M! M
& z" U- E f. r5 ]# D! E# ]HBITMAP ReplaceColor (HBITMAP hBmp,COLORREF cOldColor,COLORREF cNewColor)
- F; \% l9 @/ G- N{3 r3 S+ k1 r3 r1 A& B* p% u
HBITMAP RetBmp=NULL;
0 }0 Z+ n: J4 e! A# B- ^! P' l" E* ? if (hBmp)+ r' n; h2 ?( o1 o+ E) B
{ 5 i5 J/ `4 P- v! N2 H; S/ N/ V
HDC BufferDC=CreateCompatibleDC(NULL); // 源位图DC$ D' e. H$ S8 F$ v% e1 @
if (BufferDC)
' _$ {. a- f# M {
5 P" _: K5 G( \/ I1 N: S0 W SelectObject(BufferDC,hBmp); // 选入DC中. e C" A* h. D: a6 J
HDC DirectDC=CreateCompatibleDC(NULL); // 目标DC
' J: z+ m2 O3 d) l2 M if (DirectDC)
3 j. L6 |0 c. ^8 E* |' v3 V' Z {
" A! s! K/ q% _* X // 获取源位图大小
! r7 c& T2 g+ k6 H( J BITMAP bm;
0 ?: w( n& n+ S }1 c7 I3 W GetObject(hBmp, sizeof(bm), &bm);; r1 W. P& e8 ~
0 \9 Q3 x' E. O' B ?
// 初始化BITMAPINFO信息,以便使用CreateDIBSection
5 f: U* n# w. y' Y BITMAPINFO RGB32BitsBITMAPINFO; ! N+ _* r6 w$ F, H- f
ZeroMemory(&RGB32BitsBITMAPINFO,sizeof(BITMAPINFO));& ~9 S" T `* y9 h: |$ ]
RGB32BitsBITMAPINFO.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);& t5 P3 i8 ?7 _# G0 P
RGB32BitsBITMAPINFO.bmiHeader.biWidth=bm.bmWidth;7 c2 l8 F! z9 l0 { V e
RGB32BitsBITMAPINFO.bmiHeader.biHeight=bm.bmHeight;9 ?6 ~# X4 k3 ]$ r: y {. W
RGB32BitsBITMAPINFO.bmiHeader.biPlanes=1;
6 Z, B2 w: B- P RGB32BitsBITMAPINFO.bmiHeader.biBitCount=32;
" i. _: Q/ X5 o" l3 T8 K) {9 E6 b% }' i9 l% T8 t& I
UINT * ptPixels; 9 o4 E3 s* ~4 K5 J: q" s. x! ?
HBITMAP DirectBitmap= CreateDIBSection(DirectDC,6 b9 E2 w" a$ Q( J6 j
(BITMAPINFO *)&RGB32BitsBITMAPINFO,
8 e9 b% j& e" j: S DIB_RGB_COLORS,(void **)&ptPixels, NULL, 0);: j$ Z, V' h" n) \3 \! w/ M+ s2 i
if (DirectBitmap)
2 O! l" S, y- r/ D4 ] {
( D- R+ n: v: }2 b5 T' ?4 @ HGDIOBJ PreviousObject=SelectObject(DirectDC, DirectBitmap);( \6 r2 t0 b H& p
BitBlt(DirectDC,0,0,bm.bmWidth,bm.bmHeight,BufferDC,0,0,SRCCOPY);
' B, i4 \2 @6 P5 a6 \2 E' D! r0 g1 P/ Z2 p; g0 `2 g5 V
// 转换 COLORREF 为 RGB/ f( Z c2 Y$ E- T4 l
cOldColor=COLORREF2RGB(cOldColor);: p. _7 y" e2 r) f1 j
cNewColor=COLORREF2RGB(cNewColor);% `0 s5 K! W& L4 |# x
// 替换颜色! J& z7 w; I& x0 j7 V
for (int i=((bm.bmWidth*bm.bmHeight)-1);i>=0;i--)% \6 U# @# \- t, l
{
" J$ s1 E/ ~9 _8 u$ V5 n if (ptPixels==cOldColor) ptPixels=cNewColor;8 D- _, w! ^0 E2 p
}: M2 d0 X6 v; f0 [6 W, k
* ^4 u9 g' u- p
// 修改位图 DirectBitmap L% a& ^& b! n- U( C7 C i
SelectObject(DirectDC,PreviousObject);
2 K- o) y% u3 N5 i) W
9 t3 G$ q3 W' f' h$ I // 完成9 x: y8 o y! ^! Y* I
RetBmp=DirectBitmap;4 I+ `' {+ I# o! }& G7 w1 |& T
}$ ]( v& j- j; K! { _
// 释放DC: |: D/ P% f" J( @7 W* Q" p' S# h
DeleteDC(DirectDC);' E7 r, m% i3 i0 a7 b
}7 @# y8 D% M7 }8 s
// 释放DC% V# \+ z$ i8 }8 J
DeleteDC(BufferDC);+ j$ Q/ M* C# ]9 ^# }: B9 w" f
}; |4 _3 q$ \, ?- @: u) K
}. ?' }/ \6 E- g, s; N7 m* p F
return RetBmp;
. [1 K# D5 B6 f. T4 F}
8 Z& w' o: v/ e. t% \
7 E# J5 Z# \* x3 ~+ j; s; C n6 q' Q; k9 T- a5 m
用法:+ C+ n& U1 w+ E4 |9 c
$ a" Q- x* [' S
HBITMAP hBmp2 = LoadBitmap(g_hinstance,MAKEINTRESOURCE(IDB_SAMPLEBITMAP));
L5 h' k$ F# Q! W" o- {3 ]0 |( PHBITMAP hBmp = ReplaceColor(hBmp2,0xff0000,0x00ff00); // 替换蓝色为绿色; G7 b. n6 n( t* z) W! `7 z( P
...... @( {9 e7 V3 c" y- t+ w
`, k0 e; R. `; Y& D) t
DeleteObject(hBmp2);% t+ V" a9 f& B1 k) \$ ]
DeleteObject(hBmp);
0 P9 r( c$ |( m/ |: N" f; c' Q( q5 U2 J: G
( B* p# x4 p6 q& L3 @/ Z
19. 如何转换并保存位图9 Z' \+ z8 S7 |9 R
3 r6 O; `0 l, E( k$ Z
//********************************************************************************4 x9 l7 Y& \4 f( n0 Q
//* 名称:DDBToDIB
* q: Y( U! v" g+ Y//* 作者:徐景周(jingzhou_xu@163.net)
# K" A- p: K; T% ~//* 功能:设备相关转换为设备无关位图
8 S5 Q4 b! H- j$ e//********************************************************************************
0 u1 Y0 ]* h" ~6 w6 s4 n2 j0 W: ~8 p+ ?5 v/ Z) }# [0 Z) W. g
HANDLE CScreenSnapDlg::DDBToDIB( CBitmap& bitmap, DWORD dwCompression /* = BI_RGB */)
. x @) ]3 U) Y{
% Y7 V% v) x6 F; b4 P BITMAP bm;
u6 z5 J( z6 p. C BITMAPINFOHEADER bi;2 M" Q$ I2 Y+ A6 T7 }6 h6 `( ]5 r; k
LPBITMAPINFOHEADER lpbi;
, |: ^2 q# }* I) V4 q DWORD dwLen; x& L. T+ i1 I9 K) d2 D
HANDLE hDIB;' |0 J5 T0 o: E* e& [) [
HANDLE handle;# B o* [) Q6 M4 o+ }4 |% t) a
HDC hDC;' ~" T5 s3 _: X" c* s" O0 [
HPALETTE hPal;5 {5 K t6 R2 u2 M( ^
7 P. [% @/ |# R; W2 e CWindowDC dc( this );- u& z s. O% f* K+ a
CPalette pal;
" A6 a+ t1 D, i1 X8 X //如果支持调色板的话,则建立它; F0 b" W% j8 w& L5 D# Q
if( dc.GetDeviceCaps( RASTERCAPS ) & RC_PALETTE )
8 Q1 c7 w+ r9 w2 b4 U {
y( Z" E/ e' u' q- s" C UINT nSize = sizeof(LOGPALETTE) + ( sizeof(PALETTEENTRY) * 256 );/ v7 q. O6 ~2 B! C. q5 F1 G
LOGPALETTE* pLP = (LOGPALETTE*)new BYTE[nSize];( a: e$ ]% }: c+ `5 v# q
pLP->palVersion = 0x300;% r8 L2 t7 _; v! X6 Z% U
pLP->palNumEntries = (unsigned short)GetSystemPaletteEntries( dc, 0, 255,
4 n+ H# k! U# G' \7 F! o pLP->palPalEntry );2 ^' m8 ?* [, _8 \5 R9 i2 l' Q) }) I
% L Z6 t' P% Q+ e$ t$ Y# { pal.CreatePalette( pLP );+ u$ F4 c( ~8 I2 u7 Q
' @0 I& J, u( p6 [; O2 Z //释放; i! B6 r* D1 ~. z5 G
delete[] pLP;, d; d1 S) y6 T4 d
}* Z' x' z# f3 X2 z9 ~/ w _% t
. V/ ^& A+ M% i3 H ASSERT( bitmap.GetSafeHandle() );5 w6 D, @3 F9 b* P+ f& l7 I. t
8 V; D, c1 r7 N
: ~' ^0 ~+ X1 Q# B" m! ^7 |6 c! J //不支持BI_BITFIELDS类型
5 g) n' _% [5 S1 Z if( dwCompression == BI_BITFIELDS )
8 T1 U/ G; G" | k7 s return NULL; n/ B7 s( T. S7 q
* T# |* w0 ]9 |/ f //如果调色板为空,则用默认调色板
5 {/ ]) x7 j+ F- j; D/ r hPal = (HPALETTE) pal.GetSafeHandle();3 m- |) E; T* q' m- X
if (hPal==NULL)
" m# n5 q8 }9 }3 g4 s7 |0 K hPal = (HPALETTE) GetStockObject(DEFAULT_PALETTE);: l: x; g3 v7 |6 G/ L1 R* N* S. P
a% Y7 E& e. O" X //获取位图信息2 u/ W" y/ G- G0 G$ m9 {/ w
bitmap.GetObject(sizeof(bm),(LPSTR)&bm);6 f# |3 G6 M& \
' c" s" B! H7 \' p1 f- c
//初始化位图信息头, }, R! k( t% b" S* `5 y
bi.biSize = sizeof(BITMAPINFOHEADER);
0 y w3 }# g% i$ N bi.biWidth = bm.bmWidth;9 ?6 f1 V5 S* F. L' p8 Q) [( Y' q) P
bi.biHeight = bm.bmHeight;
Y! b" r E5 l( G1 z+ r6 w* M) D5 n bi.biPlanes = 1;5 K3 g- m* } l
bi.biBitCount = (unsigned short)(bm.bmPlanes * bm.bmBitsPixel) ;
1 \2 e2 Y2 j: s, G. N. u( k% H! g% P bi.biCompression = dwCompression;
# a" L$ x, i& H bi.biSizeImage = 0;# h; y/ M d4 X
bi.biXPelsPerMeter = 0; c/ y* j6 \, |7 D. N- i. d
bi.biYPelsPerMeter = 0;
, w# L" J. o) d$ X bi.biClrUsed = 0;/ @9 M' L6 L4 g
bi.biClrImportant = 0;
" {* L2 y" c( i8 g, ]* H) }# Z. u" V
//计算信息头及颜色表大小
& Z* x% z* l/ }& H int nColors = 0;
2 b9 c! s# c& H6 N* S! [ if(bi.biBitCount <= 8); P3 h8 _6 @9 J, q& j3 H1 `$ x
{! p) K0 O8 I6 w- ^4 W3 L
nColors = (1 << bi.biBitCount);+ N C* A/ d3 I) W& G* O4 Y
}! g" ^7 L3 }4 m
dwLen = bi.biSize + nColors * sizeof(RGBQUAD);
- Q: ^; h+ }1 w- @* Q/ L- r
6 C' n3 T4 W# e hDC = ::GetDC(NULL);& w' u3 ]4 i0 f( l
hPal = SelectPalette(hDC,hPal,FALSE);/ ^% I5 b" I( B+ L
RealizePalette(hDC);
7 n" U4 K, p% c* y9 j9 U* \8 P$ z3 T+ e5 H* t
//为信息头及颜色表分配内存
, u9 b/ c7 P- R0 W8 {8 c! I8 M hDIB = GlobalAlloc(GMEM_FIXED,dwLen);" o% n9 [. U! O$ b1 H; j+ t. M/ F$ B
if (!hDIB){
+ o7 c6 H9 Z, w SelectPalette(hDC,hPal,FALSE);
5 t0 S. C; w; D2 e1 F ::ReleaseDC(NULL,hDC);
, j2 S6 T, ~- G$ I! O; ~3 V4 U' N return NULL;$ V' o: f4 V: o+ y6 Z: }8 y
}
4 C1 w" f0 f9 M
) O" }9 p! V; W9 Z* w lpbi = (LPBITMAPINFOHEADER)GlobalLock(hDIB);$ B! z5 A( Y6 R' K$ y
*lpbi = bi;
: J$ A2 ?# R+ s0 \. ?9 H) k1 @* D! B; y1 t5 ?- R
//调用 GetDIBits 计算图像大小: E. ?% y' H! Q+ v" s/ d
GetDIBits(hDC, (HBITMAP)bitmap.GetSafeHandle(), 0L, (DWORD)bi.biHeight,
2 F) a5 M+ J* P9 n (LPBYTE)NULL, (LPBITMAPINFO)lpbi, (DWORD)DIB_RGB_COLORS);/ C( V7 a. A" A
+ ^% @; n: U% i bi = *lpbi;* @& Q) Q, n8 m/ k! f
3 J- ?! P' |1 d: ~) ^# t% B% _ //图像的每一行都对齐(32bit)边界
: w; ~# [% ]' j8 r( G# X5 w if (bi.biSizeImage == 0){
( B$ }+ c' `. k bi.biSizeImage = ((((bi.biWidth * bi.biBitCount) + 31) & ~31) / 8) 4 D* e! ^ o3 T9 W8 G" `( k% b
* bi.biHeight;1 \$ T7 K/ @$ N$ C/ L$ F$ }6 C2 Z
if (dwCompression != BI_RGB)5 |; h# o* x+ c8 _0 y. R. |% q
bi.biSizeImage = (bi.biSizeImage * 3) / 2;
0 M5 u+ N* z/ R9 C }
# q* ^! d; w; l: z //重新分配内存大小,以便放下所有数据
; d: b- N) P* F- B2 O dwLen += bi.biSizeImage;
d, Z9 h ]* F1 t% S2 V handle = GlobalReAlloc(hDIB, dwLen, GMEM_MOVEABLE) ;
1 n, O. l% e& W' U6 F if (handle != NULL)2 s2 K: ^9 T9 S6 ^. ^4 C7 ~8 t9 Y. t1 L
hDIB = handle;
9 ^4 \9 d5 O$ v% }: @ else
0 d( k, m+ J" w/ O: L o {
; y6 x! p% P4 F+ [ GlobalFree(hDIB);
7 \) d& b& d: j* k k9 l0 @. d6 Z1 S" R$ u5 O
//重选原始调色板
6 n' Z7 Y9 Q: W8 p' _' l SelectPalette(hDC,hPal,FALSE);
/ @- q2 g0 ~0 B4 a ::ReleaseDC(NULL,hDC);
9 z0 N2 `# ]; c+ D4 i; a return NULL;
" E. r& S& m9 c6 y. _/ m }, c+ m2 X. S. i
//获取位图数据4 g7 K: J5 |, s% a
lpbi = (LPBITMAPINFOHEADER)hDIB;# V# f' {. G5 R: p+ Q
//最终获得的DIB
8 X0 R8 V7 b | C BOOL bGotBits = GetDIBits( hDC, (HBITMAP)bitmap.GetSafeHandle(),! K2 r j4 C" I$ H g
0L, //扫描行起始处
+ ]$ m+ H8 G8 B3 A0 [) | u: F! I (DWORD)bi.biHeight, //扫描行数
( |; u n7 V- I (LPBYTE)lpbi //位图数据地址
: }) o/ k0 S# d" A5 P+ g + (bi.biSize + nColors * sizeof(RGBQUAD)),
' Y9 |! I% B' t2 z: u (LPBITMAPINFO)lpbi, //位图信息地址! O8 v3 B. [3 b8 \
(DWORD)DIB_RGB_COLORS); //颜色板使用RGB
. l7 f: S$ n# J6 j, u8 E if( !bGotBits )
: ]7 S) o3 ]: l) @: I6 s {
( M+ @! a# D. h$ I GlobalFree(hDIB);
. }1 S" `1 q2 T: m SelectPalette(hDC,hPal,FALSE);8 m. ?& s! K- Q2 S# w p
::ReleaseDC(NULL,hDC);
9 q0 P* Y/ X. i7 x: a return NULL;0 v4 M' X$ g7 I& M5 i
}
" M0 S/ Y/ b6 W5 x( u' u SelectPalette(hDC,hPal,FALSE);
% i' y6 |* `5 H0 }7 s. b9 Y ::ReleaseDC(NULL,hDC);
& Z, E5 P M4 i% K7 z8 n return hDIB;
( i1 N" w V4 ^$ w/ z) v* i}
1 m' Y" r( M g" T# z
* I1 ^. W5 B/ _0 n2 d4 ~" I1 P/ W' O7 _2 G) u
//********************************************************************************0 f$ F3 D4 N5 r' H" e
//* 名称:SaveBitmapToFile
2 U3 j4 k( H0 S9 ^' u//* 修改:徐景周(jingzhou_xu@163.net)9 g& B A( E! |
//* 功能:保存为位图文件
0 Z2 {0 h/ y5 Z( W5 H* B//********************************************************************************
* {, [- s4 O9 ?. @ }/ j ]BOOL CScreenSnapDlg::SaveBitmapToFile(HBITMAP hBitmap , CString lpFileName)
8 _3 N1 m7 c# [! B6 P{
* g" m% E6 |5 b- ?' s" [0 g; b% F HDC hDC; //设备描述表 ) V7 d. k$ k0 j; {9 W) X$ i
int iBits; //当前显示分辨率下每个像素所占字节数, H6 H5 Z6 [% Y1 F3 J4 V& B9 v
WORD wBitCount; //位图中每个像素所占字节数+ L$ t! \ o v# V3 u
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
& a: `* A4 J Q$ H4 X! ~! Q4 O2 w dwBmBitsSize,
! ^2 z B) f' H' v dwDIBSize, dwWritten;5 {8 {% }, _3 T: w: H
BITMAP Bitmap;
5 ]) C8 k3 c7 k9 s4 Z BITMAPFILEHEADER bmfHdr; //位图属性结构
! L: A# n! x1 n2 F( A: j( b BITMAPINFOHEADER bi; //位图文件头结构
2 F/ U# l, ~. k0 w& K% r- Y+ @% Q LPBITMAPINFOHEADER lpbi; //位图信息头结构 / W, j4 \; R. a% D) ?) y/ O2 a
7 R, J2 F5 E5 g: i: K6 [ 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
* ~# {) I& y# G4 C
' _- |4 S& {5 [3 Q) V$ i o
- m) y- g e5 `- ~: S. d! f //计算位图文件每个像素所占字节数
( {& f9 I, d' q) t. ~ hDC = CreateDC("DISPLAY",NULL,NULL,NULL); `+ O2 z. G$ w% J. e
iBits = GetDeviceCaps(hDC, BITSPIXEL) *
0 n3 i4 h7 A1 [+ |! l1 I GetDeviceCaps(hDC, PLANES);" y+ g- \- l$ S7 q) K
DeleteDC(hDC);
, `& w: L+ K. j& l- _ if (iBits <= 1)' r$ b) k& A1 U1 e& v2 a
wBitCount = 1;* q5 w( Y2 C+ a- a' P3 E
else if (iBits <= 4)
! H" G8 ~7 F6 r( O3 h9 {! N5 l5 Y wBitCount = 4;
) U0 }/ n- g# _7 b' {/ F' W4 s4 u else if (iBits <= 8): A3 k+ s7 h5 L4 y8 [4 h* l: _' j j* i
wBitCount = 8;
; T- w# @" Y6 B( c& z2 u/ c else if (iBits <= 24)
8 Z7 S1 t: ^* }6 G' \! X wBitCount = 24;
0 H% F# h9 b3 Z0 G* H% d( t' Q/ d) b. G, V U) ~: F5 K4 w
//计算调色板大小- _2 `8 y; J/ s, q
if (wBitCount <= 8)( i0 G, n& p$ I7 v* N* V# W
dwPaletteSize = (1 << wBitCount) *sizeof(RGBQUAD);! z! _5 k) i( K5 {9 a% W
3 t( }2 C! G8 ~ //设置位图信息头结构
6 j, m; f R. V& j/ K GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&Bitmap);
2 P T- S9 @5 p7 S, w bi.biSize = sizeof(BITMAPINFOHEADER);1 |" G: \! K. Q! L- @% @
bi.biWidth = Bitmap.bmWidth;# n& D$ W5 m; E' ]8 e
bi.biHeight = Bitmap.bmHeight;
6 I8 S% W( R9 _: V8 w4 s bi.biPlanes = 1;; O) B; R( j$ y. R7 _; E1 i
bi.biBitCount = wBitCount;( ~" x4 K8 h7 D6 h P
bi.biCompression = BI_RGB;
" d. ~# x Z# j' E. D bi.biSizeImage = 0;
' U6 C9 O& c: E$ L bi.biXPelsPerMeter = 0;
) z" J* X, c: G- j# r bi.biYPelsPerMeter = 0;6 R. a5 y' H! e5 a. u* Y- j8 z4 A$ Z% S
bi.biClrUsed = 0;; d0 R3 x' n; L1 A
bi.biClrImportant = 0;
2 G4 p, @7 x; R. ^/ y3 G6 g2 c) c dwBmBitsSize = ((Bitmap.bmWidth *0 B) t! g5 |( o# m
wBitCount+31)/32)* 4
& O/ n3 M7 ?2 J# A *Bitmap.bmHeight ;
+ Z. c% S2 E; i) j1 h
/ k# k8 R/ ] F$ m8 M* H- E5 a //为位图内容分配内存
6 l+ ~# Z0 B( v* V7 k; r6 x' C hDib = GlobalAlloc(GHND,dwBmBitsSize+
( t3 o i8 u! @9 | dwPaletteSize+sizeof(BITMAPINFOHEADER));' f, R6 N3 n- m1 w7 [
lpbi = (LPBITMAPINFOHEADER)GlobalLock(hDib);
, U& a: u% A1 D( x. D7 u *lpbi = bi;
7 N T# d' a2 G2 V. x/ ~7 G
8 `/ c) Z1 R P/ ~9 z7 s" |( ] // 处理调色板
9 `0 s7 f- @3 C. }- @8 y& ^ hPal = GetStockObject(DEFAULT_PALETTE);7 W C- ^/ U8 E3 O8 D
if (hPal); k( \* Q1 C" t. Z
{
+ r! `/ v( s+ T) i- b5 C5 h, P hDC = ::GetDC(NULL);& b( e/ @4 E* A$ b) Z8 g1 }% @: L
hOldPal = SelectPalette(hDC, (HPALETTE)hPal, FALSE);$ G/ B* j) C) F4 V
RealizePalette(hDC);5 D- w- X7 u+ U- D6 M+ o
}) o" X5 \3 X: g0 g- ^( [& e- ]) ^" Z
I. n2 L3 `7 |* A$ w L7 G" o% H8 H
// 获取该调色板下新的像素值6 D; i0 ^: y" D! ~- `! ~% J
GetDIBits(hDC, hBitmap, 0, (UINT) Bitmap.bmHeight,
3 Y1 ]5 ~& c+ y" } (LPSTR)lpbi + sizeof(BITMAPINFOHEADER)+dwPaletteSize,
" s- U9 @5 s z1 e7 T (LPBITMAPINFO)lpbi, DIB_RGB_COLORS);
( M6 {1 R# I9 j- l' D2 ]
$ ~9 I1 z, @- \& |( S! r //恢复调色板 6 X8 h5 P6 `0 p" x7 x
if (hOldPal)
$ v. G$ Z5 u' L5 R {- _/ U8 {$ ^8 ~3 q8 z1 K; e
SelectPalette(hDC, (HPALETTE)hOldPal, TRUE);+ M5 {! L# d8 g9 {
RealizePalette(hDC);! W( a4 `1 k/ }
::ReleaseDC(NULL, hDC);
}2 ?! Q$ V& ?+ F8 G }
5 Q6 q( \3 M( G2 c3 x
& N/ ^( D E, v$ y //创建位图文件
2 Q( F0 F8 {. l9 |+ H; d" W* f: _ fh = CreateFile(lpFileName, GENERIC_WRITE, * D$ G7 P" d* [5 Y. X; u& [) d
0, NULL, CREATE_ALWAYS,8 K$ r; @' x. b, w, ?
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
( d3 p4 \0 }' k; W2 w* W: a: j1 F if (fh == INVALID_HANDLE_VALUE)
) B" ?( o2 f6 ~) X return FALSE;* b- ~. y7 T: j) Z+ u+ _
0 e" y- K7 |+ @' R7 A: I
// 设置位图文件头
* g8 w/ @5 [' x# ?& A bmfHdr.bfType = 0x4D42; // "BM"
* C1 \; d% @4 f dwDIBSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmBitsSize; 8 h, ~# x; f; V! @
bmfHdr.bfSize = dwDIBSize;
3 ]( K8 ]( l p# U bmfHdr.bfReserved1 = 0;. Z' l$ N6 B, w/ h) A
bmfHdr.bfReserved2 = 0; H0 F/ X# {4 G4 h" k
bmfHdr.bfOffBits = (DWORD)sizeof(BITMAPFILEHEADER)
8 T1 g& x, J( }7 s9 a* p + (DWORD)sizeof(BITMAPINFOHEADER)! x& k' H, j- S* p
+ dwPaletteSize;* m. B5 l" n3 c' b E
2 {4 c, I1 h+ a4 a& I
; f9 [, T4 E" y4 u5 t // 写入位图文件头
4 v: U) {) {7 i WriteFile(fh, (LPSTR)&bmfHdr, sizeof
& W8 a8 L/ t* T ?, d' p" ` (BITMAPFILEHEADER), &dwWritten, NULL);! G& G2 e+ h: x% q, b4 j
; h2 }* D3 y1 B. t
// 写入位图文件其余内容
2 i0 w' i* y5 I/ E WriteFile(fh, (LPSTR)lpbi, dwDIBSize,
$ g" E6 T5 n1 {5 v- g% I5 E. m' q& p: ^) L &dwWritten, NULL);1 m+ \4 Y& j( z& L" O0 }! ]) ?
+ Q. s. I4 {. Q; p# t //消除内存分配
9 O, x2 ~ D% w: x- T( z GlobalUnlock(hDib);
, X- E: ^: R- O# d- }: Q+ H GlobalFree(hDib);3 K0 n& D5 A* G9 }0 v
CloseHandle(fh);1 k1 L% e( G% o, m% _6 o7 k, K0 j
- G/ D6 X8 P9 L# y return TRUE;
' [, J4 [4 e9 t, s y z}
9 X% o8 R1 Q3 ]8 w, u/ c, ?, H
9 f% W( _; v) c
8 q3 X) B; n% I7 `) L20. 如何获取局域网上计算机名及它们的IP地址
, y# {/ i% A) o6 K4 z9 E2 Z. e: t) X
l 连接ws2_32.lib和 mpr.lib库
- v7 x8 q! j3 t! e3 ^* | L5 S! j% `, O+ ^- K5 z) O
l #include winsock2.h
% _" K' z& M1 [1 _& K1 l$ b2 |7 _' o- K, Z, v1 b
CString strTemp;0 B' b6 K! Y) R% ]4 Z4 {' O
struct hostent *host;& |. O! S8 M q
X8 w6 v" P5 s
struct in_addr *ptr; // 检索IP地址 & `- F# ^# g( A! ?2 v0 t
DWORD dwScope = RESOURCE_CONTEXT;
. J4 q# V/ x g" p$ T- PNETRESOURCE *NetResource = NULL;
4 E( x, W, |! [9 Q) ]6 ~/ MHANDLE hEnum;
' o/ K, }+ Y7 ZWNetOpenEnum( dwScope, NULL, NULL, ( l5 |8 V X& C3 ~$ v9 n
NULL, &hEnum );8 Q2 |, W: s' y
: `2 W2 T, `( } R3 |& ]
WSADATA wsaData;( L4 O* @4 j+ i; [
WSAStartup(MAKEWORD(1,1),&wsaData);& Q- \9 G1 H# O2 }& x5 i1 G
2 N& g' p8 w, Y* p% E; e
if ( hEnum ); _; e* w5 u' y% j5 c
{
, Y* Z1 O2 m. t8 `1 P9 j DWORD Count = 0xFFFFFFFF;
5 M8 g' h" Y. ^4 W DWORD BufferSize = 2048;4 s; c# f9 q% z! x* K& S. [; P) H: z
LPVOID Buffer = new char[2048]; Z9 [6 k- J( E5 T/ ~; l' m y
WNetEnumResource( hEnum, &Count, , a' {, B) M$ x# l
Buffer, &BufferSize );
1 }! e; G: q( _( V NetResource = (NETRESOURCE*)Buffer;
, G2 u- C8 W$ o; n6 J; B
( I7 j X. k4 q5 O& V0 a6 q% m8 F; J char szHostName[200];% N) D5 G S1 V. j3 ?) M5 @
unsigned int i;
9 y! ?8 r' N4 z+ z" I9 s8 a
; q7 u3 ?! ]. y5 `" d& b" w% t% D for ( i = 0;
# j0 b9 ~8 l3 U: h8 m7 X i < BufferSize/sizeof(NETRESOURCE);
3 u; i6 C. G4 T- o i++, NetResource++ )0 a |) i. e K/ ]6 E6 b+ F
{
$ _( G3 w+ v Z' F" U if ( NetResource->dwUsage == / V0 D$ U9 R1 }
RESOURCEUSAGE_CONTAINER &&
8 W% Q4 L7 o* J* [' p. R% z NetResource->dwType ==
6 t. ?7 C+ f( Q. I( {- g" f% X RESOURCETYPE_ANY )
4 B7 S( m% C1 V& W8 V {
3 T% t% M, @0 f5 F X' U% i8 s if ( NetResource->lpRemoteName )4 h( o7 ~7 H8 k% E5 O* O- s3 M
{6 |8 e, m" T, h5 |9 B; V: W1 _; t
CString strFullName =
* j8 _- ]% B: K# Z% ?5 J NetResource->lpRemoteName;
% _. x* @- L& U1 b. N8 T* W: I if ( 0 ==
: R6 y( S( e- }/ ?# z1 f9 Z strFullName.Left(2).Compare("\\\\") )
& G* u- ?1 O3 @8 z" R6 K& g strFullName = 0 W7 ?' x$ c/ |+ d/ y
strFullName.Right(
: y" ?- w, l' V' P c strFullName.GetLength()-2);0 _6 U4 ~' [/ X) V* \
W$ ]8 |7 b- N [8 H! ?2 ^
gethostname( szHostName,
0 J- d6 D% R9 @9 n% k; s strlen( szHostName ) );* k0 H3 l K4 _1 b# X
host = gethostbyname(strFullName);
' S6 y F! `8 O1 w
# U/ J7 o5 k/ |6 L" U+ b) W if(host == NULL) continue; 7 J: o; F4 ^. Z# k! D! c
ptr = (struct in_addr *)
* K& E* ~; r" c. t host->h_addr_list[0]; . v K1 ?) y5 V* m [/ g
1 d P% n2 |& ~3 t
// =. 分隔开IP:211.40.35.76.
, d# X3 F. W/ m+ G; B$ T4 M int a = ptr->S_un.S_un_b.s_b1; // 211
6 t1 R/ Q1 x5 Z9 F* @% S" O" B0 E int b = ptr->S_un.S_un_b.s_b2; // 40
8 Y4 z# o& ]0 h/ u$ M; f: C int c = ptr->S_un.S_un_b.s_b3; // 35
: H* b. s C6 c* l I6 _1 M" h int d = ptr->S_un.S_un_b.s_b4; // 76
; J1 w: ?/ i* A' I l* v
' X! d. x! d _ strTemp.Format("%s --> %d.%d.%d.%d",) ?( R7 D' a) P( i% _6 X/ @
strFullName,a,b,c,d); H( J' {3 z, f; E7 H" Z, @- r6 ]4 B! O
AfxMessageBox(strTemp);
0 g I: E5 \5 y+ m, s& q }* ^( ]7 f1 X0 u$ w, q# \5 t
}
7 T3 D5 Z% d9 h2 q& X }& v8 g) w9 c2 U& K& P
% K, y! k7 U0 F. `% z3 K
delete Buffer;
& ^* v: k* F3 T' }6 ^3 d WNetCloseEnum( hEnum ); - Y1 w: s. F2 a( s
}
; ?) v+ Q3 P$ T8 Y# h5 m/ B2 c! h4 v9 c$ f
WSACleanup(); |
|