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编程技巧20法(11-20)
. D/ B/ C; u6 B: `7 z 徐景周! J1 A$ Z: W' y5 |, q
日期:2002-09-12 * `1 K. K- t: I; ^% m2 X5 r
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6 n: X$ d+ ?: o( }( k1 ?
- f0 ~" Q' L- S
11. 如何判断当前操作系统的版本
2 v# r( g, y" o! c: v8 q9 {
8 Q+ s' f0 f) S6 O3 s//------------------------------------------------------------------------------------------------- R! } F% `, v5 e
4 a5 Y# P# h7 p0 k, |, f7 V//判断操作系统涵数及变量
: \9 J2 ? O! L$ {) R: Z4 H0 K# C F% A6 u# s- Q0 o; r& i; P( y1 {
typedef enum tagWin32SysType{ G! j r B6 w8 b) v; Q' I
Windows32s,
( A# G/ w8 ]( x) z7 D1 F% ` WindowsNT3,
! c, g( H/ ?) ~" k* O' W Windows95,, I$ B# B) g- o! r3 f8 P7 k1 o
Windows98,
0 j# ^$ n7 c/ W# W: b0 j WindowsME,
& p* I: _7 }4 D" d. r4 y& e5 U WindowsNT4,
/ X% S; O6 I/ n7 m Windows2000,
, Y1 @, y& F. f& v WindowsXP- `+ Q& c& `; b3 [- W
}Win32SysType;
3 V8 g: K+ W' @* d; A0 h
% v$ E" x1 m' r P# U C- M5 V2 K" g. [% I) J( S. Y; z
//判断操作系统涵数及变量,jingzhou xu
4 |# _9 \ z+ f( A, S# z% q) ` {+ u' J5 G
Win32SysType IsShellSysType()0 K8 T6 ?1 R2 f
{: E! c7 ^' p6 C3 b2 {+ ~
Win32SysType ShellType;$ M9 S4 x; l) E8 R6 Y! c
DWORD winVer;
: [) s0 F6 A* q( _/ T OSVERSIONINFO *osvi;6 l' L8 Q ]( m2 Q; T$ u5 \
! [8 K( c" x D9 Z+ g# q winVer=GetVersion();5 N+ N0 ]% X# M0 A1 r* ]' o. V
- i0 R4 M& O$ K. h
if(winVer<0x80000000){/*NT */# I. R; t0 M/ l/ y
ShellType=WindowsNT3;
6 o) i* C- u( ~4 Y) i/ Z osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO));
+ k, D* T9 I3 ?8 n* X9 k if (osvi!=NULL){
5 F; S, B( |1 l4 N5 H, x. | memset(osvi,0,sizeof(OSVERSIONINFO));
! p3 s- ~( @: {" c, N# `, H osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO); v3 d( U( E2 T2 H
GetVersionEx(osvi);
9 \" _9 O$ H& X if(osvi->dwMajorVersion==4L)ShellType=WindowsNT4;3 L% O$ _/ n: Q7 h. W. T% |8 g3 d: n
else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==0L)ShellType=Windows2000;) f' P" u: P c" ]
else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==1L)ShellType=WindowsXP;" f6 O/ Z. i" j
free(osvi);
5 r U, m5 f6 {" p K4 d }% X& U$ y I2 z/ _, |
}
" q* R' z3 y7 n4 S/ R" i/ u else if (LOBYTE(LOWORD(winVer))<4)
0 S+ H! u7 c9 O, t* g/ ]# Q, n ShellType=Windows32s;. s* x) B8 g( C. ?/ K, W$ }: K$ s$ U
else{
0 A* H/ j' A2 y) C K: H ShellType=Windows95;- @ o) M1 x( s2 q* E# y
osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO));
% u# m7 h6 r+ g, N! q5 _0 W if (osvi!=NULL){9 ~# i+ a4 r0 B' Y* [
memset(osvi,0,sizeof(OSVERSIONINFO));
9 O, Y: U8 ?* u( s1 `( F$ Z osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
) [( h" j5 A$ X4 r9 a, E3 ~ GetVersionEx(osvi);: w& x9 H0 l9 n1 G" e% h
if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==10L)ShellType=Windows98;
0 j2 ?7 W, Z A$ R% y+ ~ else if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==90L)ShellType=WindowsME;
2 f& C6 K7 F& w( B* v5 @7 |4 l free(osvi);* n" r8 s" h1 p& E# y; F2 \6 V# i
}/ ?( `' S" \: e/ c# a1 }4 b! O+ l
}5 H/ \! q& r _& `- H- h
return ShellType;
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( I& y' X4 S) T1 O( }//------------------------------------------------------------------------------------------------1 x" G9 x; d7 H4 X+ n) @
4 s T. s& ]( a2 c; a9 i
" @% M' q/ |) W" u12. 如何在指定矩形框内水平/垂直显示多行文字
5 w+ w4 u1 w! l k' Z6 y( B' K( g1 X: ?4 [4 c; e
///////////////////////////////////////////////////////
) a! ]. w7 q' W4 s//说明:+ p0 I% I1 O+ D$ J- V4 B O
// 在矩形框中水平或垂直显示多行文字,jingzhou xu.3 S" K6 w% `! R/ k7 n
// lMode: 排列方式,0:水平方式; 1:垂直对齐 ( Y) [/ e: J; h- c1 a r" c1 d
// lHori: 水平对齐方式, 0:左对齐; 1:居中; 2:右对齐; 3:自定义
1 K" ^) o. i7 t0 H7 ]0 m$ M// lVert: 垂直对齐方式, 0:顶对齐; 1:居中; 2:底对齐; 3:自定义& A% }% ?; G/ o- A8 N9 e6 j* C2 e
///////////////////////////////////////////////////////
. `5 P3 n* P- ]% M1 _4 T$ F) g% H, ^0 @' ^1 R$ O% d! H/ R& v
CRect DrawTitleInRect(CDC *pDC, CString szString, LPRECT lpRect, long lMode, long lHori, long lVert)
9 Z9 {& ]0 L9 g) y: E{
: x' \: {9 t4 P* K TEXTMETRIC tm;$ _4 m/ `4 r- j! Z$ M5 R
pDC->GetTextMetrics(&tm);
, I1 a) o0 G/ D& \ int tmpWidth=tm.tmAveCharWidth, tmpHeight=tm.tmHeight; F* t4 h, b0 B$ m& e7 o! j" N
% g, `, R: A, P# i/ q
CRect rcInner(lpRect);
- u, z$ w' P, y if(lMode==0)
7 b0 x' A. `8 i; _3 X+ o! M( i {7 L! n% I2 @% E9 d
rcInner.left+=tmpWidth;& ^; y1 U- B* G* W2 E
rcInner.right-=tmpWidth;
; z& C2 A, R# }7 x4 _8 \8 G rcInner.top-=tmpWidth;$ g$ D& D. I' f7 b/ u: T
rcInner.bottom+=tmpWidth;
/ r F' I0 b4 x5 e8 d- Y0 D }
! }& u g0 a7 r if(lMode==1)! ]9 Z+ @" ~9 J0 y8 ^- W8 _$ |2 g# `
{2 F+ d% x5 T# K6 ]5 i
rcInner.left+=tmpWidth;0 y8 {! x: h" t1 T3 @+ _
rcInner.right=rcInner.left+tmpWidth;
/ H/ U3 b4 y, n6 C6 r* K& f) s( y rcInner.top-=tmpWidth;
5 P- ?4 F8 _, m" G rcInner.bottom+=tmpWidth;5 @$ H" R: I4 e) z- q( W& k5 `: z
}
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pDC->DrawText(szString, rcInner,DT_CALCRECT);0 \. x3 p* o5 Q1 Y! h7 q: A
switch(lHori)
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case 0:6 g- p$ x" ?$ w9 k2 n i
break;, ]- R$ q+ |6 ?9 t1 N1 j
case 1:
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long xOutCent=(lpRect->right+lpRect->left)/2;7 {1 }/ t$ [0 i: G& @8 z8 F k
long xInnCent=(rcInner.right+rcInner.left)/2;
5 r3 U& g, X; d9 P" F rcInner.left+=(xOutCent-xInnCent);
0 ~0 |! i; ]3 Z; l( a# q. C4 x rcInner.right+=(xOutCent-xInnCent);' L3 ]% K6 [( m5 I/ ^1 R( r/ u3 ]
}# t3 l+ ?. q* P! x2 `" _2 O% X( l
break;) y+ n* D( [' \( U
case 2:
! f6 Z+ { v& z {
$ p I% `; q( M$ V long lInWidth=rcInner.right-rcInner.left;
7 t" c& J' n! V0 k0 b* {+ B( |; I rcInner.right=lpRect->right-tmpWidth;# N! f. n+ F( z& C
rcInner.left=rcInner.right-lInWidth;
+ ]- t/ N" Y; y! o% g8 e }' I( Q; e" U+ m ]+ l
break;# \% c* O1 {, k9 d) `
default:
/ D: R1 e9 F$ m* ^& g$ h0 S1 A5 E break;
1 M2 _4 J9 f `: H- T8 F }
1 A1 p1 F! Z# K+ w4 X
" N/ r [+ X' N# a* k switch(lVert)7 f/ I; ~8 `" Y# G
{
6 {. ?1 ]. D) c. ?0 S case 0:
3 ~! X8 g: F U9 f, k0 {! a1 T7 X break;
9 f1 f5 `8 j q7 v$ _( | case 1:. J: J9 k, C& [; L* q
{( @" W; z) S4 n7 S: _# H
long yOutCent=(lpRect->bottom+lpRect->top)/2;
5 m0 i. ?/ t; E long yInnCent=(rcInner.bottom+rcInner.top)/2;1 f2 _- k: N. u8 O
rcInner.top-=(yInnCent-yOutCent);8 e- ?' x$ t) O7 v
rcInner.bottom-=(yInnCent-yOutCent);+ h& \8 N1 n0 a, [
}1 S! Z: I% P8 U" [! b9 g1 E
break;
: B7 o0 f* l1 j: a! c case 2:( `' E6 ?' a$ x8 D
{( x1 M4 p: {" B! ]3 c0 p
long lInHeigh=rcInner.top-rcInner.bottom;- a3 E: f: v6 o+ `2 U
rcInner.bottom=lpRect->bottom+tmpWidth;3 X0 S9 L' E% A1 C3 i- E2 I
rcInner.top=rcInner.bottom+lInHeigh;7 v6 q$ {% w t8 s/ B
}
/ u+ ]7 `! f. b/ \3 U/ Y+ e& E break;# `* p/ O! V R$ C+ K) K
default:4 M" m+ q; i* }- H" j9 ^4 b |9 R1 @
break;# x4 b2 F5 |3 `$ g
}
+ ?7 p% T/ Z: [& f
) R8 ~* o% p3 M //---------------------------------------------------------------------------------------------
, Z3 D& ^; u0 ~* S1 w/ ?, [ //功能:根据新、老矩形,重新计算行数,使文字多行显示,jingzhou xu
4 k$ [9 G: c4 C' P- W; b+ i //---------------------------------------------------------------------------------------------4 a' U M# g6 I' B f
//一行中最大字符数
# E: g/ k* R* w U- i- p) s int nMaxLineChar = abs(lpRect->right - lpRect->left) / tmpWidth ;
" P! g3 I# Q0 c$ v //记录当前行的宽度& ]% @! {6 S+ w2 k: G
short theLineLength=0; 1 ^/ \2 _+ |3 R' M3 W9 z c p
//记录当前行中汉字字节数,以防止将一半汉字分为两行
, J% h6 h R0 O* t0 E% L, h( o unsigned short halfChinese=0;2 O1 ?. d( w" b8 Q4 V: S; B
: B/ Z9 t# G, B2 X' h5 v9 F for(int i=0; i<=szString.GetLength()-1; i++)
; S% D+ B1 B: Z9 v# ^( d9 { {
. k( L; s5 E( r0 I# [* f1 K8 K if(((unsigned char)szString.GetAt(i) == 0x0d) && ((unsigned char)szString.GetAt(i+1) == 0x0a))
6 ^! y: d# H/ ]% B- s/ F theLineLength=0;$ A. I' N3 a+ @3 r1 {
. \0 h! O0 S; p5 b. N //大于0xa1的字节为汉字字节0 _/ J4 V* y. g, }
if((unsigned char)szString.GetAt(i) >= 0xA1)( d, h. A: a+ K# {4 e
halfChinese++;* h6 U+ Y( S' l7 X
theLineLength++;
' J z$ i2 N( @& k0 [) s
& E! |. M9 o& A4 m+ X //如果行宽大于每行最大宽度,进行特殊处理/ f2 ^+ Y: Z* U& u G, X
if(theLineLength > nMaxLineChar)
7 _8 Z$ }, o- U/ x# S; ^" q {
* P1 a. K6 X, K& n7 o, b //防止将一个汉字分为两行,回溯
" b. n) n, a( _# o1 z; F! M I if(halfChinese%2)
: h# W0 r+ _2 T9 m7 z5 ]) S; u {
: i; g& R" p7 M2 t- F9 v# C szString.Insert(i,(unsigned char)0x0a);: F! i" b( Q7 @/ @: B7 V$ i: c' |" E, E2 P
szString.Insert(i,(unsigned char)0x0d);
* `0 |( c- g& k }- Y1 u% H0 r3 }: N: M$ `
else) a$ m' F, u# P+ V
{
0 `) V3 N! M# [- [; l! ~# f- w szString.Insert(i-1,(unsigned char)0x0a);
9 X5 y& k9 _7 v1 C9 r$ Q szString.Insert(i-1,(unsigned char)0x0d);
; ?+ ]. A& c' t& }/ Y2 U) F }
+ f; a7 t1 o+ p
3 `- B2 ]5 W% o3 H1 S; _: L theLineLength = 0;
& W' Y7 d0 \+ K2 z6 g( V# r }
+ ^7 T' t) u+ q9 I" i/ _ }$ J' f, u; B! S i
6 S$ L3 Y8 e* N+ o% P0 I
//重新计算矩形边界范围, w+ S% M+ y/ y
// int tmpLine = int(abs(szString.GetLength()*tmpWidth / abs(lpRect->right - lpRect->left)-0.5));9 ?3 z9 |5 S, \( g( D4 K( T
% P+ _8 ^, h" \$ x- l
// tmpLine += (szString.GetLength()*tmpWidth % abs(lpRect->right - lpRect->left))? 1 : 0;1 b$ [. Y, c. w3 v# l9 F4 L6 R& V
// if(tmpLine == 0)
5 L0 Q2 Y, w7 d+ I' [. a/ e// tmpLine = 1;
: }1 }& a6 w1 S9 y) Q; g7 C6 P* x3 t3 G- \. j
if(rcInner.bottom > lpRect->bottom)
, l4 I& u, q' v) u6 O1 ^" |7 L% ] rcInner.bottom = lpRect->bottom;1 E0 y3 x$ V K s( h9 C% {+ C
if(rcInner.top < lpRect->top)+ _' X! l! v; F. W
rcInner.top = lpRect->top;
. C% J0 J/ F2 Z
6 O2 j/ R. h1 K //---------------------------------------------------------------------------------------------
1 R. r9 M; b# V' b, ^/ J! m& x+ |- B/ X! m, @$ e7 N
if(lHori==0)9 a' W( R, j9 X8 }* X# w
pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_LEFT);
/ ~; v8 q# k) T: I" k) ~ else if(lHori==1)
% ]4 m! Y1 k4 I# |& R# A pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_CENTER);
! X' P$ |3 [& O: {, W+ r# o else if(lHori==2)
- J6 ]0 `3 Z/ P% U pDC->DrawText(szString, rcInner, DT_WORDBREAK|DT_RIGHT);
2 H% e! Z: g3 r+ ~1 j" |/ D k return rcInner;" I$ W" d: i5 _
}
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! b. p- S* r" Q
4 E0 ^' @9 l& N* h13. 如何在指定矩形中旋转显示文字
5 R. f7 I" n" }! m% k
" Y8 Q* |# U$ r: n. a///////////////////////////////////////////////////////6 P' r( D8 g6 C7 v' F& ~. f
//说明:6 p% M2 ~( K1 G) ], ]
// 在矩形框中旋转方式显示文字,jingzhou xu
) x" K- T3 D" |. S( d" _% q//参数: : }) `; {9 m: U/ F( {9 d. h) e
// pDC: DC指针
1 A/ |" E9 v' J6 K w' k8 Q// str: 显示文字
5 H" [3 _, [) s// rect: 显示范围
/ z2 m R, @% ^$ { p// angle: 旋转角度; Z; o0 |1 y/ N* r& X
// nOptions: ExtTextOut()中相应设置+ b+ v2 ]" ~) i9 z8 {! N6 z3 K [6 Y
///////////////////////////////////////////////////////3 L5 s1 t! O2 v A- H9 y$ k$ ^1 b
2 L3 Y/ ]. G6 v; M C. qvoid DrawRotatedText(CDC* pDC, const CString str, CRect rect,
( s. S* T; O; ?0 x+ e2 Y; ` double angle, UINT nOptions)
4 y+ Y2 y [. x# w% \) a{9 P3 B. y: g: x
//按比例转换角度值
5 r3 K7 o# [% N9 G; M" { double pi = 3.141592654; V' y/ m; @2 E" @ m, [
double radian = pi * 2 / 360 * angle;
7 b& x- j6 T" h1 d9 X# Y
- z; V( H5 l& v! b7 v9 a' r$ m //获取显示文字中心点
7 o8 g8 x2 h* V8 H7 \( N+ @" u% }1 r CSize TextSize = pDC->GetTextExtent(str);
, c# Z% a& p' r: {: h- T9 n9 z0 Q8 i CPoint center;0 M: M/ L( [8 @4 G
center.x = TextSize.cx / 2;
6 `) |: U/ F) J4 j( p1 z& Y center.y = TextSize.cy / 2;
0 W' W: P- A3 D1 c# P" j7 Q3 T2 P' E# R0 r$ N! ^* g
//计算显示文字新的中心点$ B2 c7 n9 Y- n) a& O
CPoint rcenter;
3 B& n3 l0 S4 u1 J0 I% b' P# ]6 b7 C rcenter.x = long(cos(radian) * center.x - sin(radian) * center.y);
3 I, l8 e5 H- \) l @/ p rcenter.y = long(sin(radian) * center.x + cos(radian) * center.y);2 W8 @! P' h8 |
* {1 x; X$ O+ m+ o# i3 a //绘制文字
' C% C& o+ r+ W' K pDC->SetTextAlign(TA_BASELINE);
! y+ A5 S1 _' r7 N pDC->SetBkMode(TRANSPARENT);% G, T/ y; d1 P7 F7 e; ?2 g
pDC->ExtTextOut(rect.left + rect.Width() / 2 - rcenter.x, ( F) }+ e9 Q9 u# G
rect.top + rect.Height() / 2 + rcenter.y,+ t- ]; F1 M) O. h# z# T
nOptions, rect, str, NULL);; j" K+ { v; H2 \+ A1 y( T. y
}
$ m6 o+ Q& J9 G: `) B# q9 D8 c; ^7 N8 ]3 o- m4 [! s
( p+ P* n0 t8 ]( Y! y
14. 如何将32 x 32像素图标转换为16 x 16像素值的图标
9 J. @& C9 I7 s# _% a" {& b
7 m8 O; e' i! c+ G u7 \( GHICON Convert32x32IconTo16x16(HICON h32x32Icon)
, `. O) X. U' l8 n0 _{9 V$ Z# ` ~, i5 V% f
HDC hMainDC, hMemDC1, hMemDC2;$ n9 l7 z; \! Y& S# M( B4 U
HICON h16x16Icon;* B- Q; S. _$ T, }8 r! T
BITMAP bmp;: k1 S0 e3 g) W0 o% u
HBITMAP hOldBmp1, hOldBmp2;( T( P8 {, ~# j e2 X
ICONINFO IconInfo32x32, IconInfo16x16;9 g- h& ^6 Q! w
& M7 j: j* t* `9 d6 a GetIconInfo(h32x32Icon, &IconInfo32x32);
! p: r3 c$ H' ?; i% a' N. s, g2 y1 n- O, ?. @. ~' T
hMainDC = ::GetDC(m_hWnd);# y1 t3 C" \; O5 |) ?
hMemDC1 = CreateCompatibleDC(hMainDC);
6 U0 A$ ^, S3 O; N1 a+ D P hMemDC2 = CreateCompatibleDC(hMainDC);+ Q3 K) j( a' v! E; _) N
% Z! k$ ?7 q& M: ]' S7 }/ Q
GetObject(IconInfo32x32.hbmColor, sizeof(BITMAP), &bmp);
+ @, s6 a W u, q2 q) d3 o9 ~
+ U$ G {! d+ q# n7 N7 z" G N0 r* y IconInfo16x16.hbmColor = CreateBitmap( 16, 16, 1 m* |" f5 G2 T, N3 f+ [
bmp.bmPlanes,
, u4 }+ [8 O, v2 h2 E bmp.bmBitsPixel,, V' ^' `+ y6 ?" n/ L
NULL);
+ ?) M. X$ ~/ y' ^+ ?9 g: b9 ~. [/ D+ k/ j% R8 F. ]( ~3 x5 a6 y
hOldBmp1 = (HBITMAP) SelectObject( hMemDC1,
& F" G3 B6 O3 v8 ]5 H% L. D3 R IconInfo32x32.hbmColor);
: v2 i% B/ Q9 e# h" S hOldBmp2 = (HBITMAP) SelectObject( hMemDC2,
! ^( T) n8 b. Y. A3 w IconInfo16x16.hbmColor);7 Y! a. x6 T/ }
5 z N$ Z( C$ e StretchBlt(hMemDC2,
9 {- p; c- a8 g6 M. _+ E 0, 0,
7 d4 q% W0 Z% t* @: r) P8 x+ ` 16, 16,
+ D) ]) g- A5 ?$ l" N hMemDC1,: w, \ e/ e( }; q
0, 0,3 B4 n2 u% O) W8 W- N5 u; d, i
32, 32,7 y% q8 g3 }. Y1 s( a
SRCCOPY5 ]2 B5 j; p/ Y
);
t1 l/ A$ p H# i; ?- \) c7 T
8 p! K# F% g7 q GetObject(IconInfo32x32.hbmMask, sizeof(BITMAP), &bmp);3 v' f! }; [( f- r( P9 P9 p
! e$ Z5 H* I' L8 v ?1 z5 T* K
IconInfo16x16.hbmMask = CreateBitmap( 16, 16,
, J2 K' C! D4 }( R bmp.bmPlanes, 8 A7 {, _* t/ r7 N
bmp.bmBitsPixel,- g; |: S" }8 d" F$ v. N
NULL);
* ]" p, o8 d: W# y: i* b/ j7 D& d, t) a; @- O1 t" a Y% r
SelectObject(hMemDC1, IconInfo32x32.hbmMask);: ^1 Q: S) x) v6 l7 c
SelectObject(hMemDC2, IconInfo16x16.hbmMask);! b* X3 B m# J' w, v/ p
( l6 ~& h5 ?, o& y/ S
StretchBlt(hMemDC2,( c7 J" B9 k% _! K7 }% F
0, 0,9 @9 l4 ]/ I3 [2 q
16, 16,
: u8 N7 K4 h' L+ ~ hMemDC1,( c% v7 f$ t5 g5 o' v, `
0, 0,
- U& y' }6 t4 f0 B/ p3 `2 B3 |* Y 32, 32,5 g. Y5 r7 y7 O% r8 n P0 H
SRCCOPY$ O0 }) q: X$ @/ }0 @
);7 W0 k1 s( N e8 K' L
; Q4 ]$ t" H( S SelectObject(hMemDC1, hOldBmp1);# M: \. K2 \1 v* }2 h& O
SelectObject(hMemDC2, hOldBmp2);" g. O8 M! s2 _/ a0 l4 z8 a' e0 w
% O) u' i+ E4 V5 R! i: c: G
IconInfo16x16.fIcon = TRUE;
$ K/ S: L% Z0 Y8 h9 O: D; I h16x16Icon = CreateIconIndirect(&IconInfo16x16);
+ x3 x5 C* ~9 G( z8 v- q- b9 X8 ]; g DeleteObject(IconInfo32x32.hbmColor);# g+ m- t7 i% B0 ~/ R) i4 D
DeleteObject(IconInfo16x16.hbmColor);+ V5 K; g7 `9 d& y; |1 w2 b) c
DeleteObject(IconInfo32x32.hbmMask);" d' Z% n; n1 j( `; ]9 }4 E
DeleteObject(IconInfo16x16.hbmMask);
- t% o; Z- G) } DeleteDC(hMemDC1);" K6 h* o5 S! B/ i- i @
DeleteDC(hMemDC2);& D6 i" ~ g& D0 L2 `
$ Y% E% N# D! L2 U' B8 _3 i
::ReleaseDC(m_hWnd, hMainDC);% e3 f1 e5 n* i: f* I1 W
return h16x16Icon;, y: }: x- P! d# g G
}" v4 {- K& L6 O+ X
* ^- V0 i0 p9 i% h* ]5 l" E: E E8 f7 U
15. 如何建立一个灰度级图标
6 K, M* k7 R0 K% ^6 c/ w5 k" R! D' k9 `' ` i& J
HICON CreateGrayscaleIcon(HICON hIcon)0 Z6 X+ s9 ~4 v1 K1 c6 P
{
# @& }/ t. z$ \! o q/ \ HICON hGrayIcon = NULL;
! _8 I0 ]6 S3 A8 _7 h HDC hMainDC = NULL,
7 H$ q g# p- V5 X9 Q! k+ u hMemDC1 = NULL, 7 s$ o: O# |4 X& P; e# B2 G
hMemDC2 = NULL;
) h5 Y" i8 d8 r `' o. F3 I, k. ~ BITMAP bmp;
) U0 B* o, T/ w: C) s/ s HBITMAP hOldBmp1 = NULL,
6 x: E+ E0 q0 v% L) M# q hOldBmp2 = NULL;
8 l- M' \0 D0 s6 l/ b* q ICONINFO csII, csGrayII;
) X) A1 \2 }7 P$ y- |1 u BOOL bRetValue = FALSE;. V3 P- K) Z" F( Y, E9 x$ i
! _! o& U0 K* z) r bRetValue = ::GetIconInfo(hIcon, &csII);- z# n- J( N2 R. X* ^
s/ }# C2 F. ]' j$ I
if (bRetValue == FALSE) return NULL;
( L1 J& _( [( w. j' W' P
# B; Z8 j# J1 R0 P% @9 U" x hMainDC = ::GetDC(m_hWnd);
: {# d$ b3 S5 \) f3 A hMemDC1 = ::CreateCompatibleDC(hMainDC);
, X, b: i( T0 }; O2 ~ hMemDC2 = ::CreateCompatibleDC(hMainDC);
: d9 }6 r% m0 g) z6 A4 M if (hMainDC == NULL || " m( }0 R2 P$ K& R3 H+ M, F
hMemDC1 == NULL ||4 j/ y( ~7 E4 C# a5 f
hMemDC2 == NULL) % h9 l. ?8 L+ y9 f2 N0 f ~
return NULL;$ s, Z( B5 W1 S1 @: f# o
. p$ ]2 q c/ m3 G* ~$ _ u if (::GetObject(csII.hbmColor, / C! G; w. d1 ]* h" b
sizeof(BITMAP), &7 L W Q* d* N6 M0 k
amp;bmp))
6 V6 W/ e) w( @6 X: r/ S {- K O; h0 z0 E' e9 S6 q2 E
csGrayII.hbmColor = 6 h+ g, E+ x% n( w4 h
::CreateBitmap(csII.xHotspot*2, n- e/ q# s# c, |7 S: J
csII.yHotspot*2,
5 w" p/ D8 x; q8 x, _( { bmp.bmPlanes, ; ?; w9 r$ k7 K8 b' h
bmp.bmBitsPixel,
3 l6 r: p* r7 S NULL);
$ `' F' z% I4 \; z: ~ if (csGrayII.hbmColor)
6 E/ f3 \9 N8 X {9 o) l& o6 |8 Y! ^
hOldBmp1 =
2 q+ U9 j- J9 i" j! x0 i (HBITMAP)::SelectObject(hMemDC1,7 }1 ]& P& Z, _( J6 [: Q4 f9 a* s
csII.hbmColor);& U9 m8 _- M1 D* V) v- r% a$ P; G
hOldBmp2 = " j8 j; X- T" p4 }* h. X
(HBITMAP)::SelectObject(hMemDC2,
5 v4 Q% @3 K' ~2 {- Q csGrayII.hbmColor);
% T- Y) e8 B7 i0 I9 J: j. Z, g
0 m; r l0 d/ {; a1 j4 D( N( T$ P" H! ]' x ::BitBlt(hMemDC2, 0, 0, csII.xHotspot*2,6 Y' j5 S# B+ ^8 ] ^3 Q" i" _! j
csII.yHotspot*2, hMemDC1, 0, 0,
' B" H5 U- B: ^3 ^5 T: p( u3 x SRCCOPY);( a; _5 ?; m$ U8 g, z
9 p* W: _$ f" x, Y; ?; s
DWORD dwLoopY = 0, dwLoopX = 0;
& d; j9 Z3 Q) S4 N0 Y0 d3 n2 i COLORREF crPixel = 0;
a2 d6 v# `4 Q w5 P5 u) y BYTE byNewPixel = 0;
* O. c) ?( {1 g for (dwLoopY = 0; dwLoopY < csII.yHotspot*2; dwLoopY++)
4 y R& x; X5 Q% D. X& T {
% ~1 @+ P. l( o" }. I S for (dwLoopX = 0; dwLoopX < csII.xHotspot*2; dwLoopX++)$ h6 `: a0 }' z' g4 V: b' I6 |
{
9 g5 I5 L& N/ E( w, M! _3 e crPixel = ::GetPixel(hMemDC2, dwLoopX, dwLoopY);
! _" w( w$ D' ]+ G8 [ byNewPixel = (BYTE)((GetRValue(crPixel) * 0.299) +- X0 i2 g1 i2 E3 O: R3 f9 M
(GetGValue(crPixel) * 0.587) +
/ @, r- |( v, t- | (GetBValue(crPixel) * 0.114));
( O9 U8 Y) F5 D; H if (crPixel) ::SetPixel(hMemDC2,
; Y4 y6 K8 R2 y: U. w dwLoopX,7 C% M; o+ X% u* S [
dwLoopY,! d9 P* l/ Q8 B7 o) e
RGB(byNewPixel,7 V" m- C& v% e
byNewPixel,/ z+ H+ A% b' B$ r; a% M' S
byNewPixel));
4 B+ `7 z8 d, I0 G3 Z } // for
0 j5 R0 f& q' y; y# [. T } // for
9 `/ o- p# |3 M5 A7 d ::SelectObject(hMemDC1, hOldBmp1);- g+ ]# H: H+ S
::SelectObject(hMemDC2, hOldBmp2);
0 }5 E9 m4 i, l& I
! v O: M5 v7 M' E% K* Z csGrayII.hbmMask = csII.hbmMask;
6 \% K! a' d! f; J" J csGrayII.fIcon = TRUE;" i2 J/ w5 L0 W9 l5 `3 S) o8 k6 _
hGrayIcon = ::CreateIconIndirect(&csGrayII);
, u: y4 V& H; Q } // if
- X- ?! E( l& c0 M% N- [ : eleteObject(csGrayII.hbmColor);, M4 w' L, i3 l! Z" M
//: eleteObject(csGrayII.hbmMask);" s* ?6 R* }- {9 `6 R
} // if
8 e5 l3 J% l" `* n7 S : eleteObject(csII.hbmColor);2 O3 E9 w) V1 Y9 i+ }- C5 z
::DeleteObject(csII.hbmMask);
9 W' ^0 X' T% |. t5 ]% C7 a ::DeleteDC(hMemDC1);( i- P6 w6 G& c, p0 x
::DeleteDC(hMemDC2);
' G6 F+ e9 F! S% }: P ::ReleaseDC(m_hWnd, hMainDC);
0 s3 p- U# Y* I$ E" S" e7 J* e% F
4 I! i' ?/ r. c. t4 _4 p& | return hGrayIcon;
) R- C" a0 _: @" ~) \4 T, ?7 h}
) N- `3 h) d/ n1 X0 A3 B3 u$ J: A1 B4 s; Z* m7 h+ T- q
5 B/ W) @6 S# Z) X) F
16. 如何按指定角度旋转显示内存位图(用法和BitBlt类似). N, v6 {$ s+ W4 P
2 \/ M& ?' ~; v9 ^( h2 ~$ O. e o* O, _
void RotBlt(HDC destDC, int srcx1, int srcy1, int srcx2, int srcy2,' @' E! g1 _. Y! f# b8 E! z
9 k; d1 x/ s) C$ c
HDC srcDC , int destx1, int desty1 ,int thetaInDegrees ,DWORD mode)# |3 |2 v/ ?- _$ W( c
{# r6 A! }% y6 L
double theta = thetaInDegrees * (3.14159/180);
4 k2 P5 V$ u9 u# O) N' _- Q$ o' ?* ~5 t6 `* P
//原图像原始大小& _$ o- Z- N0 p7 n9 l! j1 c
: M% Z4 K8 G- y4 [8 x. d
int width = srcx2 - srcx1;/ s- F5 D& S" r% v, Y' a5 C4 K
int height = srcy2 - srcy1;
) i1 ]0 o' G, @+ g' v' r
/ p5 x5 B- l! b. ]! V% W B) J& G3 y- ?
//原图像中心点/ U) A& l" S$ a
int centreX = int(float(srcx2 + srcx1)/2);
5 ^7 v6 f9 O) N$ \6 p int centreY = int(float(srcy2 + srcy1)/2);
! | q4 k% ]% {5 c
/ p& p6 l3 p7 ^0 W //判断出图像可以沿任意方向旋转的矩形框
. ?9 q: k6 f, D/ ?: X, } W/ d if(width>height)height = width;7 [% o% O" a% z' {& [7 X7 D8 Y6 w
else7 i- ]9 L% x$ K5 u+ h7 b/ C
width = height;
' P+ c5 s1 U& L* |: f e
o& ^$ Q( v+ B) g' r! \# \( n HDC memDC = CreateCompatibleDC(destDC);
! ~0 p. r( U/ `9 N p# x HBITMAP memBmp = CreateCompatibleBitmap(destDC, width, height);% h, @6 ~+ Z/ t8 f! G: u) O
6 @. ~" T8 H/ w( P HBITMAP obmp = (HBITMAP) SelectObject(memDC, memBmp);
5 U! F% D( q& f5 F# v5 R, ]* b. c9 m1 h
( {, e7 K! n8 X) b
//内存DC新在中心点
2 @2 R4 m% l U7 \2 z E; L
* Z# w0 ]& w/ N$ ^9 V6 [% Q5 c int newCentre = int(float(width)/2);
& `6 {# c, @5 i. C //开始旋转8 A7 ? O S& D, l* }
for(int x = srcx1; x<=srcx2; x++)
$ O, r4 s+ p: u1 @! f8 Z8 M for(int y = srcy1; y<=srcy2; y++)7 c6 ]9 z. R7 |2 e+ B8 o
{
F4 O( U8 u; q7 F L, ~" h COLORREF col = GetPixel(srcDC,x,y);) o! ?' u0 i& w0 l7 r
int newX = int((x-centreX)*sin(theta)+(y-centreY)*cos(theta));* p+ R) s. b9 I. ~9 R6 \
int newY = int((x-centreX)*cos(theta)-(y-centreY)*sin(theta)); a$ `) |9 x9 X% D1 _+ I
SetPixel(memDC , newX + newCentre, newY + newCentre, col);
/ T; F) g% e7 o+ J$ x8 o3 E }
# ~$ U* V( p( t4 i/ }
0 N, p/ \5 m/ t( X) R, a //复制到目标DC上3 X1 M$ Z1 V7 g& X2 O# o
BitBlt(destDC, destx1, desty1, width, height, memDC, 0,0,mode);
* Z/ X2 @6 v# v //释放内存
; p% h [6 {2 {8 E7 L SelectObject(memDC, obmp);; O5 S: t9 R& N& Y: Q; H
DeleteDC(memDC);2 T7 T2 T/ ]% H: e/ Q5 R% l
DeleteObject(memBmp);
- z2 {" S3 u" Q [: y5 t* Y}
5 r; M q* y3 g! p6 C
1 o# j3 |8 e: u% a- C7 c8 Q: M0 L$ V, p. F
用法:
8 [9 z+ \/ v+ \+ Z6 k, n. X2 d( n/ l; r
RotBlt(dc, 0,0,150,150,memDC,200,0, 45, SRCCOPY);& G! _7 Q. U2 a3 k3 Q
' ]3 |( u- L! I
4 L1 m5 p; T) x6 g% a17. 如何将指定的窗体,以位图形式复制到系统剪切板上/ g+ ?2 |! ?& q
, J9 K; B+ [2 Y
void CScreenSnapDlg::toClipboard_Bio(CWnd * wnd, BOOL FullWnd)
7 w; Q% k6 d# U; Z' M{' N) N# P; v- i7 X+ p
CDC *dc;
1 u% L- R' U$ M1 R. H; D4 h) n if(FullWnd)
3 T( Z' e# z9 O& T: f. j0 E$ }9 N { /* 抓取整个窗口 */
. T' d7 k' Y; V! S* v1 y* f dc = new CWindowDC(wnd);4 M( L; k1 z3 d
} /* 抓取整个窗口 */5 c2 u2 _: B) A6 x" D
else
8 z- J/ s6 O* R0 \/ U6 t) c- e { /* 仅抓取客户区时 */
3 G8 u) \6 \- ~, `. A' S dc = new CClientDC(wnd);
0 ~$ ^# {- [$ n7 [" Y% L } /* 仅抓取客户区时 */! f0 M# T$ e& [( A- j0 q8 Z7 t
/ g5 x+ I; W5 i* K8 A1 p
CDC memDC;* y4 W9 ^. u) \$ B: l& B
memDC.CreateCompatibleDC(dc);
' b. _8 g* [# z9 \9 {0 [$ ~2 E
2 Z2 R! s ^6 L# K7 f: y: W3 P* K CBitmap bm;# l7 @: }" h: c" J# `" q4 w
CRect r; n8 i# f! X6 ~! P8 A
if(FullWnd)
" v5 O$ B$ I2 c; q, ] wnd->GetWindowRect(&r);+ j7 s: o% C( C) k, a
else
+ q/ W& Y; ]2 j: w$ D! P2 T$ P# I wnd->GetClientRect(&r);4 L$ ^. o+ x( Q% x+ K
8 |7 I) _$ [: d) }/ l$ H. H
CString s;
8 N+ n' R1 P- i: Q3 k wnd->GetWindowText(s);* ]: L+ L }7 ~+ D6 d
CSize sz(r.Width(), r.Height());
# w4 ^% x8 N [9 ?; f1 u5 s, P( @# [4 g* A0 _- i
bm.CreateCompatibleBitmap(dc, sz.cx, sz.cy);
6 L+ T! [1 B4 a: O8 _# ^1 } CBitmap * oldbm = memDC.SelectObject(&bm);# \% @# p/ D9 B: ^" V, l+ g
memDC.BitBlt(0, 0, sz.cx, sz.cy, dc, 0, 0, SRCCOPY);
1 s; l/ H$ Q+ `3 C I% I l) o0 j) Z
//直接调用OpenClipboard(),而不用wnd->GetParent()->OpenClipboard();
/ n% z6 [# `* g3 K9 Z! F wnd->OpenClipboard();/ f, G9 D/ C. F% c1 r& W
::EmptyClipboard();5 w; k4 @2 E. I$ D
::SetClipboardData(CF_BITMAP, bm.m_hObject);
, H) S* J% B, x7 [1 D" i CloseClipboard();
I. M4 J0 }# J2 p& G2 j4 w0 x% f. ^2 n
//恢复原始环境+ X5 x4 ?( \8 W
memDC.SelectObject(oldbm);7 l1 |* Y/ r& f! m: U( ^- y
bm.Detach();
( G1 T% ]. w; n5 A delete dc;6 v1 L* B# v4 t3 |4 h( P: d
}3 q% F# M. I2 L* P2 d
. }, c0 o E8 Q1 B& \
+ W' [) P* q2 M) c9 |18. 如何替换HBITMAP中的颜色值
% a7 u# D V" g, g+ N. x# E3 q$ _ }
#define COLORREF2RGB(Color) (Color & 0xff00) | ((Color >> 16) & 0xff) \$ k$ }! V- g1 k8 N3 B. ?2 k
| ((Color << 16) & 0xff0000)% @' W. g8 c9 N- c" q
+ m9 ]# |$ q! t, L
HBITMAP ReplaceColor (HBITMAP hBmp,COLORREF cOldColor,COLORREF cNewColor)3 M5 b/ p E9 i/ n# r: T
{
( m; ~! _ P% h( J& r; d7 r HBITMAP RetBmp=NULL;- @; |# q* G5 r2 q% p0 @! {- N# L
if (hBmp)$ \# j! u+ ^* V' ]" M* [
{
+ S4 x* ^7 q. d0 K" \ HDC BufferDC=CreateCompatibleDC(NULL); // 源位图DC3 v5 Y# S8 d: o
if (BufferDC)7 g, C# F/ _ x! y' S# z
{- o1 W v) V1 u7 h a% z
SelectObject(BufferDC,hBmp); // 选入DC中
" m& ?7 V6 @- {. [1 P4 K) D4 C HDC DirectDC=CreateCompatibleDC(NULL); // 目标DC
: C4 c- o* @: O! H( N2 A if (DirectDC)
' X9 F7 u- J( i {. J l5 z, L' U% b6 u; X
// 获取源位图大小
6 y! X; S/ b+ [, G' i BITMAP bm;% g' e1 J- T' x$ J7 V/ h- l
GetObject(hBmp, sizeof(bm), &bm);
9 V9 b* Y3 {. @! b/ I+ I ( i9 Q9 z; M q1 h- ^5 \
// 初始化BITMAPINFO信息,以便使用CreateDIBSection- c* ^1 i# ^6 d. c$ o
BITMAPINFO RGB32BitsBITMAPINFO; 0 ]' U" A) V# M* A5 f
ZeroMemory(&RGB32BitsBITMAPINFO,sizeof(BITMAPINFO));
4 X I, a! K8 ]/ @ RGB32BitsBITMAPINFO.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);" R+ ^$ B' g+ A; k0 c% s4 N, @
RGB32BitsBITMAPINFO.bmiHeader.biWidth=bm.bmWidth;
2 G9 ]; R! `+ E/ R! r: N RGB32BitsBITMAPINFO.bmiHeader.biHeight=bm.bmHeight;0 E% j/ s, L/ k
RGB32BitsBITMAPINFO.bmiHeader.biPlanes=1;
# e" W! [0 D7 V5 p5 r1 Z3 k RGB32BitsBITMAPINFO.bmiHeader.biBitCount=32;
" C4 y3 d+ |! b ?
3 g C# O. \4 D7 W6 a! ~5 t8 q UINT * ptPixels; / l0 k, j. {: Y+ }# ^0 E
HBITMAP DirectBitmap= CreateDIBSection(DirectDC,$ q: Z. k* p# U
(BITMAPINFO *)&RGB32BitsBITMAPINFO,
0 j2 w: V! T' H+ @ DIB_RGB_COLORS,(void **)&ptPixels, NULL, 0);8 \8 ~! X# w- j+ H" ~9 m- J7 E. N
if (DirectBitmap)
& ?) i A% A5 J; B, Z2 ]- j {
( a1 B/ W8 z8 b8 c7 q HGDIOBJ PreviousObject=SelectObject(DirectDC, DirectBitmap);
0 }4 S8 ]* o# Q' k8 Y$ N6 f BitBlt(DirectDC,0,0,bm.bmWidth,bm.bmHeight,BufferDC,0,0,SRCCOPY);
2 T4 g1 _- J& U" L+ w7 M4 N$ O A
5 b: m2 S' T9 p1 ?' @ C6 t3 v/ O // 转换 COLORREF 为 RGB8 f+ b* `$ r3 r( i5 G$ i
cOldColor=COLORREF2RGB(cOldColor);
/ _4 v F. H# \ cNewColor=COLORREF2RGB(cNewColor);/ U/ ?8 y7 r E0 b! F9 ?
// 替换颜色" x* R* A& F' p4 S9 t: P: I
for (int i=((bm.bmWidth*bm.bmHeight)-1);i>=0;i--)4 }! ?: _8 Y0 P
{9 T( ^2 f, P. U
if (ptPixels==cOldColor) ptPixels=cNewColor;
, t+ ~2 Z: v. e8 ^ }
$ Q y" l u3 n& M# U
; X* ~, E) K; x; C; X2 N // 修改位图 DirectBitmap( S. {" e. g4 J2 d2 S4 Z$ n2 Q
SelectObject(DirectDC,PreviousObject);4 P+ {7 a- V4 t) p9 b6 \
l5 U( f% G4 g; O+ h // 完成
+ ~4 s4 n5 M+ G( G- ]- r9 D; G& P RetBmp=DirectBitmap;
! u- ?. N; d9 ^8 |6 P; I# M5 | }0 f3 w8 |! d* u/ m; p# D* T7 z" ~
// 释放DC
: ^2 ^8 @& d; e; I DeleteDC(DirectDC);
. S9 V* g }& {% M. |# K9 Y- k }
9 E7 b' z7 ?# B3 Z' m: |' H // 释放DC; W# z1 V- C7 v2 C- J4 T
DeleteDC(BufferDC);
) s. N. l5 g3 t+ V0 u }
d. P, k/ g) d; l$ q% @ @3 M }% X- t+ n8 I1 v/ U i
return RetBmp;7 s" K. R8 e' l4 ^
}( N0 v. r2 r0 n9 E# s- s
4 H( s8 m6 `; B+ v9 P4 O; ?
; A5 m2 p; G( `6 k9 p: I, ?6 w用法:4 t8 U' p, k, V; X6 ]* G& `# z
% F& F/ k" @" y# j
HBITMAP hBmp2 = LoadBitmap(g_hinstance,MAKEINTRESOURCE(IDB_SAMPLEBITMAP));
5 \7 V: m$ o$ n9 _: O. oHBITMAP hBmp = ReplaceColor(hBmp2,0xff0000,0x00ff00); // 替换蓝色为绿色
7 J) |0 h, s( l, z- V {8 ~......( D0 T6 { g( F9 d
9 ?0 E( h; O9 C4 M/ iDeleteObject(hBmp2);
2 D+ q/ e b! Q. XDeleteObject(hBmp);
7 q$ [' o F @6 d
" R% }: j: O& y3 ]' D1 ^/ b) J( s
6 a! i) _( \+ {' l. q8 e19. 如何转换并保存位图
4 X2 R8 K) p, \7 k9 c8 A- _. v+ i, F9 a" g0 E4 k q
//********************************************************************************
( o* P2 d0 n9 n- u6 Y& }/ x/ a! t//* 名称:DDBToDIB: r& \/ b2 v( I' U
//* 作者:徐景周(jingzhou_xu@163.net)
9 E H) `4 U2 n//* 功能:设备相关转换为设备无关位图/ _; @( k5 J# f) H# H% o- l
//********************************************************************************3 c- I+ n9 {0 M& A; `/ U8 j( y
# j" i3 t8 E- F, ?+ Y
HANDLE CScreenSnapDlg::DDBToDIB( CBitmap& bitmap, DWORD dwCompression /* = BI_RGB */) 6 O; r3 p( V1 K/ R6 [
{. |* q, R* x& r$ e
BITMAP bm;! ~( v' u6 A# D' b3 P
BITMAPINFOHEADER bi;9 y' }8 V* a2 [/ M7 Y- N3 j
LPBITMAPINFOHEADER lpbi;
1 {) D0 Q+ W, ]+ D# T' L" Y DWORD dwLen;
! m' L$ e! { V# ? HANDLE hDIB;
* {, Q( Q/ l& _; M8 \$ N- A HANDLE handle;5 Q$ d' s2 g0 q5 [( b* `
HDC hDC;4 S5 M& U7 l% X. z
HPALETTE hPal;3 j# V! E% ~: @% |+ T8 u- _7 s) Z
( \' k4 c; d% m6 [$ \0 T
CWindowDC dc( this ); ]& ~0 v+ F* x( I. e2 P1 m' q( v. {
CPalette pal;
3 k8 q$ B; ~# Y, f5 v //如果支持调色板的话,则建立它
; }9 n9 ?6 D: G; M o: n if( dc.GetDeviceCaps( RASTERCAPS ) & RC_PALETTE )
, ]: O: R. u5 V" g {
5 ]: z, p# ^2 p* y6 I& j UINT nSize = sizeof(LOGPALETTE) + ( sizeof(PALETTEENTRY) * 256 );; @/ e; t# _1 C) I6 t$ F5 ]/ U* I
LOGPALETTE* pLP = (LOGPALETTE*)new BYTE[nSize];
1 S& Y/ k# E0 `: y$ s' r* K. ^ pLP->palVersion = 0x300;2 ]( H) U( m* i% t2 k' N
pLP->palNumEntries = (unsigned short)GetSystemPaletteEntries( dc, 0, 255,
' a% Y& @; i/ @7 c$ r! ^$ k# [ pLP->palPalEntry );5 @, w) a# ]7 D7 ]( c2 ^' C( |
1 e0 p+ f& s8 }
pal.CreatePalette( pLP );
( r: C: |* C' e6 c) a: p+ ]4 ^9 t( C5 U- x" H, ^
//释放/ W7 I% R: E4 W; Z* O
delete[] pLP;# S/ A" a% m2 h* p. V
}1 ^- a* w3 i# x
7 S( w: S. i8 @6 S, [$ R N
ASSERT( bitmap.GetSafeHandle() );
( x) n& G) v* q8 {4 H
/ D$ d& i$ q7 O- l% @7 w: f) k. o& ]1 c3 c( M8 G
//不支持BI_BITFIELDS类型
* Y. H6 Z7 `1 z7 N% X# n2 ^ if( dwCompression == BI_BITFIELDS ), p) v, S" E% K4 d6 ~% ~- d
return NULL;
9 d4 W0 L4 y6 U! m* b5 D. _& f, O3 o5 J5 W8 L
//如果调色板为空,则用默认调色板1 _1 y! y0 H5 r6 O. X! i2 j- ~
hPal = (HPALETTE) pal.GetSafeHandle();
; P% r9 Y# K# T7 k4 ~0 M if (hPal==NULL)# ~5 q/ \: [0 N
hPal = (HPALETTE) GetStockObject(DEFAULT_PALETTE);
" y0 k" h1 s: [
. D3 G5 Y2 ~0 L" _ //获取位图信息
! }1 b1 [: \. z7 Q bitmap.GetObject(sizeof(bm),(LPSTR)&bm);% u: S- S. y8 ~* S* I" Z* `# a
' |3 W1 L, I& {" Z! _
//初始化位图信息头: M, e7 K2 K+ ~8 z" L0 L, W$ G
bi.biSize = sizeof(BITMAPINFOHEADER);
0 L7 E, h; h2 H bi.biWidth = bm.bmWidth;2 p% o* j: N6 D$ @# W
bi.biHeight = bm.bmHeight;
" ]# k8 d, o. i. |7 H9 l- o bi.biPlanes = 1;
% }3 Q( h, i& B; F; F4 u: T$ D bi.biBitCount = (unsigned short)(bm.bmPlanes * bm.bmBitsPixel) ;
) U& G, Q; r- D bi.biCompression = dwCompression;
: b* R; a$ I( ] bi.biSizeImage = 0;
6 k9 q0 A9 o' y% c2 q bi.biXPelsPerMeter = 0;
& r' z) I$ F8 m2 D( Y bi.biYPelsPerMeter = 0;( z+ c" k0 e: `/ P# k( _. B0 k/ T( {/ I
bi.biClrUsed = 0;
8 ]& |* J1 O0 k# Z+ v( K' J bi.biClrImportant = 0;1 v( H) e$ G3 D+ d! t
7 o2 }% ?- a. Z, @! v //计算信息头及颜色表大小
$ b: W5 c: g% }2 @1 @1 G int nColors = 0;
& A8 _- k- f2 ~ if(bi.biBitCount <= 8)9 q: T+ q* ]# j4 Q7 O
{
* o3 o0 X* E- j% d9 \7 H" ] { nColors = (1 << bi.biBitCount);1 P& i0 b J% _2 y3 W( A; |1 @/ R
}
+ X$ B' I! b$ ^0 Z1 |4 M* f" G dwLen = bi.biSize + nColors * sizeof(RGBQUAD);
: {9 j; ~- U0 L4 Q3 H; o$ D0 Y; f( P8 \; _6 D! D9 O
hDC = ::GetDC(NULL);" h& T8 g$ k* s8 r
hPal = SelectPalette(hDC,hPal,FALSE);. k3 @+ y! `) E2 \6 g: p1 _% l: A
RealizePalette(hDC);% }/ C0 X- z$ K% a* p
5 W* ~) h; \3 J- y0 G- Q
//为信息头及颜色表分配内存: Q& m/ l! l* \9 N
hDIB = GlobalAlloc(GMEM_FIXED,dwLen);0 e; _$ b" [+ }1 P
if (!hDIB){4 a2 j3 U1 J+ F/ q5 S
SelectPalette(hDC,hPal,FALSE);# O: X5 Z& M7 g
::ReleaseDC(NULL,hDC);
$ @+ O- b o) |2 \9 x; P' b4 h return NULL;- | a4 k* Q' X# W) O7 H
}
6 x4 A: c/ x: a' Z! M- e0 n" E* ]3 K! z( M! `( }- I6 \: {
lpbi = (LPBITMAPINFOHEADER)GlobalLock(hDIB);
9 J2 N- r* `; f' Y- x *lpbi = bi;2 w" q2 _" F! j$ a* W# V
) x9 ~ l" O% z //调用 GetDIBits 计算图像大小: V& z) _; v8 h2 f
GetDIBits(hDC, (HBITMAP)bitmap.GetSafeHandle(), 0L, (DWORD)bi.biHeight," S& a, x% M: c
(LPBYTE)NULL, (LPBITMAPINFO)lpbi, (DWORD)DIB_RGB_COLORS);
+ f+ h4 V2 q) ^+ u
! X9 r" [. q8 l. e bi = *lpbi;! u% w5 z: x. V: P$ d
1 Y! r$ p4 R% A2 ^# x8 b: y //图像的每一行都对齐(32bit)边界
0 A* L) g" w, }7 D8 l: @4 s8 E- K if (bi.biSizeImage == 0){% N; \. y. y, [9 p. f: G
bi.biSizeImage = ((((bi.biWidth * bi.biBitCount) + 31) & ~31) / 8) + S/ I$ N, q& r+ \0 O" }
* bi.biHeight;1 W8 A$ s$ R/ S, G
if (dwCompression != BI_RGB)
1 [+ Q \: Q8 | B1 b" H0 O bi.biSizeImage = (bi.biSizeImage * 3) / 2;
1 C8 U+ R7 x g( t, H' _ }1 t% ]* [8 m% C. g- ~4 Y
//重新分配内存大小,以便放下所有数据& f0 S" H* T, R/ n! t3 }
dwLen += bi.biSizeImage;1 F/ R- O/ d9 N" H J8 x3 X
handle = GlobalReAlloc(hDIB, dwLen, GMEM_MOVEABLE) ;
& G% X& A# c; @+ s) Y% } T if (handle != NULL)
# X" Y! g7 q; o/ F hDIB = handle;
; i: Z p5 m3 I! Z$ D* n else2 N1 _) J4 P* l/ c
{
' U$ Z2 v# ^ M/ G% A GlobalFree(hDIB);6 ^6 Z1 D! B. X6 V+ a5 | [
9 o, H; {) e9 s+ I //重选原始调色板
6 d. \+ }/ p( z" K SelectPalette(hDC,hPal,FALSE);
0 X+ d P: ^9 h& c' c2 M" Q# J8 h ::ReleaseDC(NULL,hDC);
0 T" u9 V, V8 k% `- o return NULL;
: P# K: _$ P* R- d) l }5 C0 V0 Z2 h/ E& a+ j( B0 b. F
//获取位图数据& J: j. n# g; [% d& _& a
lpbi = (LPBITMAPINFOHEADER)hDIB;& y' M1 ~+ d" @1 A
//最终获得的DIB+ a- ?. ~2 H- q+ ~: e; J2 S
BOOL bGotBits = GetDIBits( hDC, (HBITMAP)bitmap.GetSafeHandle(),5 F9 K2 e: t- d; I
0L, //扫描行起始处& z1 m% Y: i' X4 v; d
(DWORD)bi.biHeight, //扫描行数3 N3 R t/ ?- m. ]% u! @' ^
(LPBYTE)lpbi //位图数据地址! j/ Q3 f3 S, }
+ (bi.biSize + nColors * sizeof(RGBQUAD)),6 L( i( V% d, J9 M, A) j9 _! a
(LPBITMAPINFO)lpbi, //位图信息地址
6 K- H$ }) K: M! X- i$ Q$ P (DWORD)DIB_RGB_COLORS); //颜色板使用RGB
" n9 e6 m7 R' ^% U) s) t9 K8 i if( !bGotBits )
% n8 n3 Y# [# T3 n( y d {# U+ A9 k' T+ t1 @
GlobalFree(hDIB);
4 p! ^8 z8 y X SelectPalette(hDC,hPal,FALSE);/ |4 U( D0 R- J, {" @
::ReleaseDC(NULL,hDC);7 d8 E5 V; z; y) K* ^
return NULL;' L6 H8 N2 U( D# I" M
}
5 O ~" s% e6 F1 S2 Z) Q, Z7 X! g% w, A+ t SelectPalette(hDC,hPal,FALSE);
/ q+ B# w8 x) ?5 o+ ^0 M/ }3 x ::ReleaseDC(NULL,hDC);: `. j( p+ b- T9 Z% q7 {5 Q) e1 Z
return hDIB;
0 a/ T5 e" ^- K}
5 \0 u1 I m2 L8 O" a1 S# w7 C/ I; A: Y8 I" {9 _6 q m' R
; G/ Y8 i: F5 e7 C1 J6 Y4 u
//********************************************************************************
6 ]! I i+ Y$ `) C9 d- Y//* 名称:SaveBitmapToFile
) F* u8 X: X9 N//* 修改:徐景周(jingzhou_xu@163.net)
9 U5 ]1 J: h. N2 D( z( T* g//* 功能:保存为位图文件
: [( u, K3 D) f//********************************************************************************
8 X, }/ O+ s$ k1 D8 zBOOL CScreenSnapDlg::SaveBitmapToFile(HBITMAP hBitmap , CString lpFileName)
6 B& K2 a% a9 Q6 k- M6 ~, j5 a{" P) ?! [: U$ U3 @( ]# O
HDC hDC; //设备描述表
$ S! n& x* i9 N" ?( \% `+ J" | int iBits; //当前显示分辨率下每个像素所占字节数
' B! z3 l( s9 d WORD wBitCount; //位图中每个像素所占字节数& |8 D% {9 x8 y+ S
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
. s7 J+ n! G' p dwBmBitsSize,- w3 J5 k: J$ P2 K/ n5 @- k
dwDIBSize, dwWritten;
( R/ s% ^" ^4 l2 X1 q( P BITMAP Bitmap; 8 B4 _. ?2 s# M; ^
BITMAPFILEHEADER bmfHdr; //位图属性结构
+ B, ^, g2 [6 b# A BITMAPINFOHEADER bi; //位图文件头结构
% F3 l* G2 d% E9 `) ~ LPBITMAPINFOHEADER lpbi; //位图信息头结构 . B5 @' X! t* A1 s: l0 A: F
; D( F" F; D' {0 k0 n 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
3 V- }' {5 F8 J1 l# W' x; J- v S5 e# I! S
9 @0 K" R# i. R# b2 R% r5 L7 A9 X
//计算位图文件每个像素所占字节数 ?& [5 k, S- m! H* r
hDC = CreateDC("DISPLAY",NULL,NULL,NULL);6 Y- ^3 l4 I4 K/ O. R! d. i& a
iBits = GetDeviceCaps(hDC, BITSPIXEL) *
. t; \! H) j' ~' l# n; v GetDeviceCaps(hDC, PLANES);1 x# h4 h4 a9 `3 X0 F1 m2 @4 q( ]
DeleteDC(hDC);* q( M8 X# [* i2 G8 \& Q* `
if (iBits <= 1)7 z8 M6 n x: ]- k8 G7 @3 i* }! J! n0 Q
wBitCount = 1;+ w/ B# j- L, G# L* s; L
else if (iBits <= 4)# f0 T$ f! D1 V' @5 a9 B
wBitCount = 4;2 H4 F& v; x, q. a! t' V* R- }
else if (iBits <= 8)
9 T0 W' w9 m% Z9 `6 r7 D0 T wBitCount = 8;( `+ ]7 s9 t9 @( ~7 v# F0 S) v$ B
else if (iBits <= 24)
6 t1 W; z) a) U( P wBitCount = 24;
, q5 _9 A& ~- u* a" a( Y5 ^! Q3 t$ Y) B4 M- m
//计算调色板大小: w2 P- e. e. D" @0 k( L
if (wBitCount <= 8)7 f5 w+ w, e X- S8 z
dwPaletteSize = (1 << wBitCount) *sizeof(RGBQUAD);+ a& |" G$ g8 D
. M- O$ w2 ]3 Y+ t' }, Q* {5 n //设置位图信息头结构) D$ v c) ]( m: `
GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&Bitmap);
- F9 q2 G- a2 k Q8 q" F* N bi.biSize = sizeof(BITMAPINFOHEADER);1 |% X0 _0 s- X
bi.biWidth = Bitmap.bmWidth;- f/ v Z+ T" B/ D' L$ o. _1 G
bi.biHeight = Bitmap.bmHeight;
2 i) u3 }, Y1 p0 o bi.biPlanes = 1;9 ?) ^9 B% u5 l8 Z* @, h* u9 L& v
bi.biBitCount = wBitCount;
P$ e5 f R+ E+ e3 R bi.biCompression = BI_RGB;
, v7 i/ Y+ @! K bi.biSizeImage = 0;
# m7 z7 n' Y( k6 W bi.biXPelsPerMeter = 0;
, J c" Y0 ]7 R2 B& i; r4 c bi.biYPelsPerMeter = 0; w4 o7 o0 Z$ l2 F. g/ [
bi.biClrUsed = 0; b+ t x* x# y9 }! t
bi.biClrImportant = 0;
% }( N) A9 }$ i" v! P dwBmBitsSize = ((Bitmap.bmWidth *
2 S) t* \% [/ l1 `2 n8 F( Z: g6 C wBitCount+31)/32)* 4
$ \8 ?4 D+ G$ W# G, @ *Bitmap.bmHeight ;
) V* Q& H( z0 h3 B! C$ y. j6 O2 X' g4 ]& c8 C
//为位图内容分配内存
5 E" k' S3 `; j. Z' _% |3 p- U hDib = GlobalAlloc(GHND,dwBmBitsSize+
7 X* P3 W# d& z, z2 j* }. g dwPaletteSize+sizeof(BITMAPINFOHEADER));
6 @5 b) G6 m: ?" G T lpbi = (LPBITMAPINFOHEADER)GlobalLock(hDib);
2 h( @; G( b" y- Y4 ^+ y$ D; }! y |# u *lpbi = bi;
- b9 [7 p) u3 b& q9 D3 s4 g, R+ c
* U# k& R. @7 C // 处理调色板 ' _1 y+ `! Q: r
hPal = GetStockObject(DEFAULT_PALETTE);" i7 D0 i) p5 A
if (hPal)) P1 {% m2 s, G- D7 P
{
) Y& }# {' E6 ]' K0 S7 f" o! Z* |# U hDC = ::GetDC(NULL);
$ k* u# V3 S; }! j8 u& W hOldPal = SelectPalette(hDC, (HPALETTE)hPal, FALSE);0 I- k ?! I; @6 c G; M$ [( l& W
RealizePalette(hDC);. O( w0 n, a, m5 {8 r+ B
}. p3 ]. S. y" g! s6 h
' i% v+ E8 l2 F, A" o
// 获取该调色板下新的像素值5 J4 r8 c! X& m5 i- q& y ~8 a
GetDIBits(hDC, hBitmap, 0, (UINT) Bitmap.bmHeight,
% i, ?. D- N0 w4 n; }9 R (LPSTR)lpbi + sizeof(BITMAPINFOHEADER)+dwPaletteSize,8 S' Y5 g, Z" u: K3 |: X
(LPBITMAPINFO)lpbi, DIB_RGB_COLORS);
: M" w# A8 ]: R W) V$ {- b
# l4 J/ ~: |3 S# C( D* B2 V% P! a //恢复调色板 * x; l0 q* C, U& G8 c, ]
if (hOldPal)
# _( v9 D, ]- Q. [! f2 o+ q+ e- u {
6 @3 ]2 P2 @; H) F: a+ \- @% K SelectPalette(hDC, (HPALETTE)hOldPal, TRUE);
+ ~1 W; D1 l9 X; b) f3 S RealizePalette(hDC);
; T, s6 U% P! R, _- I, Z ::ReleaseDC(NULL, hDC);
9 g; Q6 w7 f4 K5 Y }
0 [5 e+ [7 E6 n9 W% h# e
( K/ [2 ^$ }7 H* x$ P! M9 n0 y& S //创建位图文件 " {3 I& L9 W0 f. G' v' B
fh = CreateFile(lpFileName, GENERIC_WRITE, 3 B& h7 ~% l: q' I. a' Y( Z* }
0, NULL, CREATE_ALWAYS,
( d, c& s4 o% ` FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
* b' b& q ]) X$ `/ R2 K7 `( s if (fh == INVALID_HANDLE_VALUE)% n9 `% F8 o# |( x
return FALSE;
8 _2 V% s7 g/ ?& F# g% A8 u4 P! W- O. x" w% U$ D- Z$ [$ `
// 设置位图文件头
; b. a. O3 d+ L$ ^3 I! T( j bmfHdr.bfType = 0x4D42; // "BM"' e" {! n$ l& b8 d8 T
dwDIBSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + dwPaletteSize + dwBmBitsSize;
) t" o7 W; N5 e* s. L4 d bmfHdr.bfSize = dwDIBSize;: m9 }+ L8 `4 f+ z# t
bmfHdr.bfReserved1 = 0;
! |; u* @% [( G* R) |$ \: f L bmfHdr.bfReserved2 = 0;! w" _& {; Z4 G' S. G/ ?7 p" ~' X, V
bmfHdr.bfOffBits = (DWORD)sizeof(BITMAPFILEHEADER)
( R7 B. M8 A6 W+ u" u' J/ @. c& @( ? + (DWORD)sizeof(BITMAPINFOHEADER)
/ J& }* ]$ x+ f- d Y5 t7 W3 D( }) S6 b + dwPaletteSize;
( x1 t H( }" \' @3 R5 l! v
1 s8 K3 }% w) R5 R; J- W f5 M
9 ]! S: J Q1 Z I: x& y // 写入位图文件头
0 ]0 p: U0 I) h8 u, ?, ?; | WriteFile(fh, (LPSTR)&bmfHdr, sizeof
) [+ @9 q! n8 Z) _ (BITMAPFILEHEADER), &dwWritten, NULL);
8 i8 y3 ]4 x0 I1 R( @- |7 N4 g# E9 O1 z2 j8 ~: _( T
// 写入位图文件其余内容
! m$ h! e' ~2 [6 U& Q% p9 b0 f WriteFile(fh, (LPSTR)lpbi, dwDIBSize,
7 |+ |- B% H: P% B9 K &dwWritten, NULL);
1 @7 `: ^1 k! {3 z; y' u0 A4 l" o- i: E' O8 |
//消除内存分配 0 Q% C5 P' {) z
GlobalUnlock(hDib);' F+ W {6 L% B- ~
GlobalFree(hDib); K+ I5 V4 Y. T6 i
CloseHandle(fh);
& U8 E" x u% p8 D$ V/ q% h6 s2 L& G' N. v
return TRUE;
3 Z" N5 u' p I) z0 T! a}
! G8 j+ W1 Z7 c/ b. j9 G) c- Y V7 i; P. M% Y& a4 v4 l3 L
) o5 |, \1 A/ e& e$ j
20. 如何获取局域网上计算机名及它们的IP地址
) e3 D- B+ A9 O6 w/ w% b- Y7 x9 e1 M+ _9 {2 C8 r% u/ ]! }; k" S# z E
l 连接ws2_32.lib和 mpr.lib库3 f, D* n% w9 c: e' ^1 ^% f( |3 @
) | o7 H; O) o% C, l0 il #include winsock2.h( q! q, Y# _- Q, p* P7 d
. m+ Q; R+ E% \3 W8 m6 S% u& u
CString strTemp;# h7 k2 Q4 p% B x
struct hostent *host;
/ W( f; n6 ^0 u" D8 Y9 L# G- d# ?* r3 B
struct in_addr *ptr; // 检索IP地址
- x$ Y9 @/ Y. h7 CDWORD dwScope = RESOURCE_CONTEXT;) E7 Z9 ]$ \# F1 G! Z* k1 ?
NETRESOURCE *NetResource = NULL;$ `% m2 M2 N0 @. A2 y; H- B# f0 v' {
HANDLE hEnum;
" h$ H3 T @; \; w% iWNetOpenEnum( dwScope, NULL, NULL, : W- N+ a, U. r
NULL, &hEnum );
- N8 q, M' _: n* U! `; @; S
4 I! C3 N4 F+ q' B. c, }! N& A: p$ L! eWSADATA wsaData;
b0 ~) A V ~WSAStartup(MAKEWORD(1,1),&wsaData);
* `! Y/ U/ t: E: ?) V4 S1 ]
* |1 N/ V0 Y7 [9 Q# ?if ( hEnum )
1 @* C! g9 G/ I# K; L{
1 ]: t. m- M- o% Q DWORD Count = 0xFFFFFFFF;$ Z6 ~0 P7 b. `- E
DWORD BufferSize = 2048;/ x, }7 F- ]0 B5 d/ u
LPVOID Buffer = new char[2048];, u" }- z) y3 ]8 p/ i
WNetEnumResource( hEnum, &Count, T* F$ L2 _2 g. P. |
Buffer, &BufferSize );
+ k( _# I7 U! I% z" g B8 @4 ^& O NetResource = (NETRESOURCE*)Buffer;
+ x) S- M n3 g/ `6 o0 s1 H
' |" W! {5 n9 f. b; I( z. | char szHostName[200];
) Z, ~1 J O# k' i8 F* y, I* ]$ w+ k unsigned int i;
& i& L% Y+ Y& v2 Y! S
8 ]3 F& ]' V+ r' R for ( i = 0; * d: K W" j9 x1 T" U. @; ]
i < BufferSize/sizeof(NETRESOURCE);
; u/ _& l& ~; r2 O6 w i++, NetResource++ ) ~$ d7 ^& v( a, |- N
{
% i1 o0 l9 i# q5 b if ( NetResource->dwUsage ==
2 g8 G. t$ N+ F! f# _' E RESOURCEUSAGE_CONTAINER &&
; B, b: A$ e5 G& _$ L1 ~ NetResource->dwType ==
5 S" P1 `. y9 W) M; f! L, h( p$ W RESOURCETYPE_ANY )$ @: E! G8 E V. k/ p$ ~+ Y
{
, k+ I8 p; g' B& ]( {) w9 G if ( NetResource->lpRemoteName )
% n/ Z6 S9 d/ i X5 x2 C9 u, |+ `$ O2 ? {
: _% Q; e3 n9 ^" U; {0 i2 X; ` CString strFullName =
: Z- ^9 R4 ?) h0 _. l8 I5 J( q g0 A NetResource->lpRemoteName;
5 X* G# [& J4 |( [# [# h if ( 0 ==
; o/ o: i! b- ]" n% |/ s3 [ strFullName.Left(2).Compare("\\\\") ) " l4 f6 ]3 Y9 K5 f' j- O6 D
strFullName = 4 |8 w: O4 K) S, d' R ]
strFullName.Right(- N8 C& K! ]- N# t, }' E" ]5 e: `
strFullName.GetLength()-2);
; q o" t# ?7 {: B- X/ R' _3 q8 F9 F# @
gethostname( szHostName,
$ ?- s7 [* n7 U5 G/ U. a ` strlen( szHostName ) );
1 f$ f+ e$ q4 d, w* ?/ t$ y8 q3 N host = gethostbyname(strFullName);
' r/ l& b9 w3 n
: K ~7 O ?# x# q. `$ b4 M0 i if(host == NULL) continue;
L8 R! P( b2 x3 b ptr = (struct in_addr *) 1 |4 A, }9 J! J6 d3 c
host->h_addr_list[0]; & n4 Y- d0 g5 \2 g0 P
' V0 F! a1 x+ A // =. 分隔开IP:211.40.35.76.
$ ^/ S& @: \: {& W int a = ptr->S_un.S_un_b.s_b1; // 211 * i" k6 F6 r7 V8 L. t' ^$ I( ~; q- R
int b = ptr->S_un.S_un_b.s_b2; // 40. I7 \2 K6 D: c: X/ g
int c = ptr->S_un.S_un_b.s_b3; // 35
# w1 ~; z) W2 E/ G5 p% t4 ~ int d = ptr->S_un.S_un_b.s_b4; // 76
: V! e/ D- [; ?* b, l2 E9 v( b% N0 M" `/ T; i- m, b* L2 ^4 ?& n
strTemp.Format("%s --> %d.%d.%d.%d",
7 J0 @0 ]* i, h! K4 R strFullName,a,b,c,d);9 j- @& h8 w+ p1 v4 _! h2 K
AfxMessageBox(strTemp);
/ r: Y: S6 G% I7 R }
7 q5 t1 g- K# i1 p" f- E' y }7 V! F: e, I" ~$ P$ \* P5 B+ q
}
4 h! _9 p& z( y2 b
; v+ n- A k, M' `6 s2 g) } delete Buffer;* b9 v8 F6 S& q' U
WNetCloseEnum( hEnum );
+ e/ ^- [3 o4 z5 @- i! J. U}
/ \+ f8 k* j9 }3 G. K# U) ?# J2 D8 |, Q6 O1 ~
WSACleanup(); |
|