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锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷Windows应锟矫筹拷式锟斤拷一锟斤拷锟斤拷执锟叫碉拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷一锟斤拷锟津几革拷锟接达拷锟斤拷锟斤拷使锟斤拷讯息锟斤拷圈锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟诫。通锟斤拷锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷獠拷锟斤拷锟街憋拷锟街达拷校锟揭诧拷锟斤拷锟斤拷锟窖断拷锟斤拷锟斤拷锟斤拷锟揭恍╋拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷邪锟斤拷锟斤拷鼙锟斤拷锟绞斤拷锟斤拷锟斤拷锟紻LL锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟揭碉拷暮锟绞斤拷锟街伙拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟叫讹拷态锟斤拷锟斤拷锟绞斤拷锟斤拷械暮锟绞绞憋拷锟斤拷锟斤拷欧锟斤拷锟斤拷锟斤拷谩锟�
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锟斤拷通锟斤拷锟结发锟街ｏ拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷诖锟斤拷锟接︼拷贸锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷锟斤拷纾拷锟斤拷锟揭猈indows锟斤拷写一锟斤拷锟缴硷拷锟斤拷锟斤拷同锟侥筹拷式锟斤拷傻拇锟斤拷筒锟斤拷锟斤拷锟阶帮拷锟斤拷澹拷突岱拷锟斤拷锟叫┯︼拷贸锟绞斤拷锟绞癸拷锟斤拷锟斤拷喙餐拷某锟绞斤拷锟斤拷锟斤拷园锟斤拷锟叫╋拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟揭伙拷锟揭伙拷锟斤拷缘锟侥匡拷锟斤拷锟斤拷式锟解（锟斤拷.LIB锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷使锟斤拷LINK锟斤拷态锟斤拷锟斤拷时锟斤拷锟斤拷锟角硷拷锟斤拷锟斤拷锟绞侥ｏ拷锟斤拷小锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷呛锟斤拷朔训模锟斤拷锟轿拷锟阶帮拷锟斤拷锟斤拷械锟矫匡拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷牍拷锟斤拷锟绞斤拷锟酵拷某锟绞斤拷搿ｏ拷锟斤拷遥锟斤拷锟斤拷锟睫革拷锟剿筹拷式锟斤拷锟叫碉拷某锟斤拷锟斤拷式锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷使锟矫此筹拷式锟斤拷锟斤拷锟叫筹拷式锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟绞斤拷诺锟斤拷锟轿狝CCOUNT.DLL锟侥讹拷态锟斤拷锟斤拷锟绞斤拷锟斤拷校锟斤拷涂山锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解。只锟叫讹拷态锟斤拷锟斤拷锟绞斤拷锟侥ｏ拷锟脚帮拷锟斤拷锟斤拷锟叫筹拷式锟斤拷要锟矫碉拷锟侥筹拷式锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟芥档锟斤拷锟斤拷省锟脚碉拷锟秸间，锟斤拷锟斤拷锟斤拷同时执锟叫讹拷锟接︼拷贸锟绞绞憋拷锟绞★拷锟斤拷锟斤拷澹拷锟斤拷遥锟斤拷锟斤拷锟斤拷薷亩锟教拷锟斤拷锟斤拷式锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷
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锟斤拷式锟解：一锟绞讹拷锟斤拷
锟斤拷
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目锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟矫筹拷式锟斤拷只锟斤拷锟节筹拷式锟斤拷锟斤拷锟节硷拷使锟矫ｏ拷锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷锟街达拷锟斤拷诩锟绞癸拷谩锟斤拷锟揭伙拷锟绞癸拷枚锟教拷锟斤拷锟斤拷式锟斤拷某锟绞街达拷锟绞憋拷锟斤拷枚锟教拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷诖锟狡拷稀锟斤拷锟絎indows要执锟斤拷一锟斤拷使锟斤拷锟剿讹拷态锟斤拷锟斤拷锟绞斤拷锟侥筹拷式锟斤拷锟斤拷要锟斤拷锟斤拷贸锟绞斤拷锟绞憋拷锟斤拷锟教拷锟斤拷锟斤拷式锟解档锟斤拷锟斤拷锟诫储锟斤拷锟节猴拷锟叫革拷.EXE锟斤拷式锟斤拷目录锟铰★拷目前锟斤拷目录锟铰★拷Windows系统目录锟铰★拷Windows目录锟铰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷MS-DOS锟斤拷锟斤拷锟叫碉拷PATH锟斤拷锟皆达拷取锟斤拷锟斤拷目录锟铰ｏ拷Windows锟结按顺锟斤拷锟斤拷锟斤拷锟斤拷些目录锟斤拷锟斤拷
一锟斤拷锟津单碉拷DLL
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锟斤拷然锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷强锟斤拷员锟斤拷锟斤拷应锟矫筹拷式锟斤拷使锟矫ｏ拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟狡的讹拷态锟斤拷锟斤拷锟绞斤拷锟街伙拷锟揭伙拷锟接︼拷贸锟绞斤拷锟斤拷锟较碉拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷浴锟斤拷锟绞斤拷锟绞癸拷锟紻LL锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷摹锟斤拷锟斤拷墙锟斤拷锟揭伙拷锟斤拷锟轿狤DRLIB.DLL锟斤拷DLL锟斤拷锟斤拷锟斤拷锟斤拷锟叫的★拷EDR锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥伙拷图锟斤拷式锟斤拷easy drawing routines锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紼DRLIB只锟斤拷锟斤拷一锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷为EdrCenterText锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆斤拷应锟矫筹拷式锟斤拷锟斤拷锟斤拷锟津单的伙拷图锟斤拷式锟斤拷锟接斤拷去锟斤拷应锟矫筹拷式EDRTEST.EXE锟斤拷通锟斤拷锟斤拷锟斤拷EDRLIB.DLL锟叫的猴拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
要锟斤拷锟斤拷锟斤拷一锟姐，锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟叫诧拷同锟侥凤拷锟斤拷锟斤拷也锟斤拷锟斤拷Visual C++ 锟斤拷锟斤拷锟斤拷没锟叫匡拷锟斤拷锟斤拷锟斤拷锟皆★拷锟斤拷Visual C++ 锟叫★拷锟斤拷锟斤拷锟秸间（workspaces锟斤拷锟斤拷锟酵★拷专锟斤拷锟斤拷projects锟斤拷锟斤拷锟斤拷同锟斤拷专锟斤拷通锟斤拷锟诫建锟斤拷锟斤拷应锟矫筹拷式锟斤拷.EXE锟斤拷锟斤拷锟竭讹拷态锟斤拷锟斤拷锟绞斤拷猓�.DLL锟斤拷锟斤拷锟斤拷系锟斤拷一锟斤拷锟斤拷锟斤拷锟秸硷拷锟斤拷园锟斤拷锟揭伙拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷锟斤拷锟轿癸拷锟斤拷锟斤拷锟斤拷锟斤拷械墓锟斤拷锟斤拷占涠贾伙拷锟斤拷锟揭伙拷锟阶拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诰徒锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷墓锟斤拷锟斤拷占锟紼DRTEST锟斤拷一锟斤拷锟斤拷於斤拷锟斤拷EDRTEST.EXE锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷於斤拷锟斤拷EDRLIB.DLL锟斤拷锟斤拷EDRTEST使锟矫的讹拷态锟斤拷锟斤拷锟绞斤拷狻�
锟斤拷锟节就匡拷始锟斤拷锟斤拷Visual C++锟叫ｏ拷锟接★拷File锟斤拷锟斤拷锟杰憋拷选锟斤拷New锟斤拷锟斤拷然锟斤拷选锟斤拷Workspaces锟斤拷页锟斤拷锟角╋拷锟斤拷锟斤拷锟斤拷锟斤拷锟角帮拷锟斤拷锟矫伙拷锟窖★拷锟斤拷锟斤拷锟斤拷锟节★拷Location锟斤拷锟斤拷选锟斤拷锟斤拷锟秸硷拷要锟斤拷锟斤拷锟侥柯硷拷锟饺伙拷锟斤拷凇锟絎orkspace Name锟斤拷锟斤拷锟斤拷锟诫「EDRTEST锟斤拷锟斤拷锟斤拷Enter锟斤拷锟斤拷
锟斤拷锟斤拷锟酵斤拷锟斤拷锟斤拷一锟斤拷锟秸的癸拷锟斤拷锟秸间。Developer Studio锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷为EDRTEST锟斤拷锟斤拷目录锟斤拷锟皆硷拷锟斤拷锟斤拷锟秸间档锟斤拷EDRTEST.DSW锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节此癸拷锟斤拷锟秸硷拷锟斤建锟斤拷一锟斤拷专锟斤拷锟斤拷锟接★拷File锟斤拷锟斤拷锟杰憋拷选锟斤拷New锟斤拷锟斤拷然锟斤拷选锟斤拷Projects锟斤拷页锟斤拷锟角╋拷锟斤拷锟斤拷芄锟饺ワ拷锟窖★拷锟絎in32 Application锟斤拷锟斤拷锟斤拷锟斤拷锟节★拷Win32 Dynamic-Link Library锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷选锟斤拷钮锟斤拷Add To Current Workspace锟斤拷锟斤拷锟斤拷使锟矫达拷专锟斤拷锟角★拷EDRTEST锟斤拷 锟斤拷锟斤拷锟秸硷拷锟揭伙拷锟斤拷帧锟斤拷凇锟絇roject Name锟斤拷锟斤拷锟斤拷EDRLIB锟斤拷锟斤拷锟饺诧拷要锟斤拷锟斤拷OK锟斤拷锟斤拷钮锟斤拷锟斤拷锟斤拷锟斤拷Project Name锟斤拷锟斤拷锟斤拷EDRLIB时锟斤拷Visual C++锟斤拷锟侥变「Location锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示EDRLIB锟斤拷为EDRTEST锟斤拷一锟斤拷锟斤拷目录锟斤拷锟解不锟斤拷锟斤拷锟斤拷要锟侥ｏ拷锟斤拷锟皆斤拷锟斤拷锟节★拷Location锟斤拷锟斤拷删锟斤拷EDRLIB锟斤拷目录锟皆憋拷专锟斤拷锟斤拷锟斤拷锟斤拷EDRTEST目录锟斤拷锟斤拷锟节帮拷锟斤拷OK锟斤拷锟斤拷萤幕锟斤拷锟斤拷示一锟斤拷锟皆伙拷锟斤拷锟介，询锟斤拷锟斤拷锟斤拷锟斤拷什么锟斤拷态锟斤拷DLL锟斤拷选锟斤拷An Empty DLL Project锟斤拷锟斤拷然锟结按锟斤拷Finish锟斤拷锟斤拷Visual C++锟斤拷锟斤拷锟斤拷一锟斤拷专锟斤拷锟斤拷锟斤拷EDRLIB.DSP锟斤拷一锟斤拷锟斤拷锟届档锟斤拷EDRLIB.MAK锟斤拷锟斤拷锟斤拷锟絋ools Options锟斤拷锟皆伙拷锟斤拷锟斤拷锟紹锟斤拷uild页锟斤拷锟角╋拷锟窖★拷锟斤拷恕锟紼xport Makefile锟斤拷选锟筋」锟斤拷
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EDRLIB.H
/*--------------------------------------------------------------------------
EDRLIB.H header file
----------------------------------------------------------------------------*/
#ifdef __cplusplus
#define EXPORT extern "C" __declspec (dllexport)
#else
#define EXPORT __declspec (dllexport)
#endif
EXPORT BOOL CALLBACK EdrCenterTextA (HDC, PRECT, PCSTR) ;
EXPORT BOOL CALLBACK EdrCenterTextW (HDC, PRECT, PCWSTR) ;
#ifdef UNICODE
#define EdrCenterText EdrCenterTextW
#else
#define EdrCenterText EdrCenterTextA
#endif
EDRLIB.C
/*---------------------------------------------------------------------------
EDRLIB.C -- Easy Drawing Routine Library module
(c) Charles Petzold, 1998
-----------------------------------------------------------------------------*/
#include windows.h>
#include "edrlib.h"
int WINAPI DllMain ( HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
{
return TRUE ;
}
EXPORT BOOL CALLBACK EdrCenterTextA ( HDC hdc, PRECT prc, PCSTR pString)
{
int iLength ;
SIZE size ;
iLength = lstrlenA (pString) ;
GetTextExtentPoint32A (hdc, pString, iLength, &size) ;
return TextOutA (hdc,( prc->right - prc->left - size.cx) / 2,
( prc->bottom - prc->top - size.cy) / 2,
pString, iLength) ;
}
EXPORT BOOL CALLBACK EdrCenterTextW (HDC hdc, PRECT prc, PCWSTR pString)
{
int iLength ;
SIZE size ;
iLength = lstrlenW (pString) ;
GetTextExtentPoint32W (hdc, pString, iLength, &size) ;
return TextOutW (hdc, ( prc->right - prc->left - size.cx) / 2,
( prc->bottom - prc->top - size.cy) / 2,
pString, iLength) ;
}
锟斤拷锟斤拷锟斤拷锟斤拷锟皆帮拷Release锟借定锟斤拷锟斤拷锟斤拷也锟斤拷锟皆帮拷Debug锟借定锟斤拷锟斤拷锟斤拷EDRLIB.DLL锟斤拷之锟结，RELEASE锟斤拷DEBUG目录锟斤拷锟斤拷锟斤拷EDRLIB.LIB锟斤拷锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟矫筹拷式锟解）锟斤拷EDRLIB.DLL锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷獗撅拷锟斤拷锟斤拷锟�
锟捷癸拷全锟介，锟斤拷锟角斤拷锟斤拷锟斤拷锟斤拷锟叫筹拷式锟斤拷锟斤拷锟皆革拷锟斤拷UNICODE识锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟経nicode锟斤拷锟経nicode锟街达拷锟侥筹拷式锟诫。锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷DLL时锟斤拷锟斤拷应锟矫帮拷锟斤拷锟斤拷锟斤拷锟斤拷元锟斤拷锟街达拷锟斤拷Unicode锟酵凤拷Unicode锟斤拷锟斤拷锟斤拷泻锟绞斤拷锟斤拷锟剿ｏ拷EDRLIB.C锟酵帮拷锟斤拷锟斤拷式EdrCenterTextA锟斤拷ANSI锟芥）锟斤拷EdrCenterTextW锟斤拷锟斤拷锟斤拷元锟芥）锟斤拷EdrCenterTextA锟斤拷锟斤拷为锟斤拷锟叫诧拷锟斤拷PCSTR锟斤拷指锟斤拷const锟街达拷锟斤拷指锟疥）锟斤拷锟斤拷EdrCenterTextW锟斤拷锟斤拷为锟斤拷锟叫诧拷锟斤拷PCWSTR锟斤拷指锟斤拷const锟斤拷锟街达拷锟斤拷指锟疥）锟斤拷EdrCenterTextA锟斤拷式锟斤拷锟斤拷锟斤拷lstrlenA锟斤拷GetTextExtentPoint32A锟斤拷TextOutA锟斤拷EdrCenterTextW锟斤拷锟斤拷锟斤拷lstrlenW锟斤拷GetTextExtentPoint32W锟斤拷TextOutW锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟経NICODE识锟斤拷锟街ｏ拷锟斤拷EDRLIB.H锟斤拷EdrCenterText锟斤拷锟斤拷为EdrCenterTextW锟斤拷锟斤拷锟斤拷锟斤拷为EdrCenterTextA锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Windows锟斤拷头锟斤拷锟斤拷锟斤拷
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锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷锟角讹拷锟斤拷锟斤拷EXPORT识锟斤拷锟街★拷DLL锟斤拷应锟矫筹拷式使锟矫的猴拷式锟斤拷锟斤拷锟角★拷锟斤拷锟斤拷锟絜xported锟斤拷锟斤拷锟侥★拷锟斤拷锟剿帮拷锟斤拷锟斤拷锟斤拷业锟狡讹拷锟睫关ｏ拷只锟斤拷确锟斤拷锟斤拷式锟斤拷锟斤拷锟接碉拷EDRLIB.LIB锟斤拷一锟斤拷锟截硷拷锟街ｏ拷锟皆憋拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟绞癸拷么撕锟绞斤拷锟接︼拷贸锟绞绞憋拷锟斤拷芄锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷疲锟斤拷锟斤拷锟斤拷腋煤锟绞斤拷锟紼DRLIB.DLL锟斤拷也锟角匡拷锟矫碉拷锟侥★拷EXPORT识锟斤拷锟街帮拷锟斤拷锟斤拷锟芥方式锟睫讹拷锟斤拷__declspec锟斤拷dllexport锟斤拷锟皆硷拷锟节憋拷头锟斤拷锟斤拷锟斤拷C++模式锟斤拷锟斤拷时锟斤拷锟接的★拷C锟斤拷锟斤拷锟解将锟斤拷止锟斤拷锟斤拷锟斤拷使锟斤拷C++锟斤拷锟斤拷锟斤拷锟斤拷压锟斤拷锟斤拷name mangling锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟狡ｏ拷使C锟斤拷C++锟斤拷式锟斤拷锟斤拷使锟斤拷锟斤拷锟紻LL锟斤拷
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锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷状锟斤拷锟斤拷锟斤拷徒锟斤拷锟绞憋拷锟斤拷锟斤拷呛锟斤拷锟斤拷锟紻llMain锟斤拷式锟斤拷DllMain锟侥碉拷一锟斤拷锟斤拷锟斤拷锟角筹拷式锟斤拷锟街达拷锟绞碉拷锟斤拷锟脚★拷锟斤拷锟斤拷锟斤拷某锟绞斤拷锟绞癸拷锟斤拷锟揭达拷锟绞碉拷锟斤拷锟脚ｏ拷锟斤拷锟斤拷DialogBox锟斤拷锟斤拷锟斤拷源锟斤拷锟斤拷么锟斤拷应锟矫斤拷hInstance锟斤拷锟斤拷为一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻llMain锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷系统锟斤拷锟斤拷锟斤拷
fdwReason锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷值之一锟斤拷说锟斤拷为什么Windows要锟斤拷锟斤拷DllMain锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷校锟斤拷锟斤拷住一锟斤拷锟斤拷式锟斤拷锟皆憋拷锟斤拷锟斤拷锟轿ｏ拷锟斤拷锟斤拷Windows锟斤拷一锟斤拷执锟叫★拷每锟斤拷一锟斤拷锟斤拷式锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷一锟斤拷锟斤拷锟斤拷锟侥筹拷锟斤拷process锟斤拷锟斤拷
fdwReason锟斤拷一锟斤拷值DLL_PROCESS_ATTACH锟斤拷示锟斤拷态锟斤拷锟斤拷锟绞斤拷獗挥筹拷涞揭伙拷锟斤拷锟斤拷锟斤拷位址锟秸间。锟斤拷式锟斤拷锟斤拷愿锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫筹拷始锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟皆该筹拷锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷锟斤拷锟斤拷锟斤拷纾拷锟斤拷锟斤拷始锟斤拷锟斤拷锟杰帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫★拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟街伙拷锟揭伙拷味锟紻llMain锟侥猴拷锟斤拷锟斤拷DLL_PROCESS_ATTACH为锟斤拷锟斤拷锟斤拷使锟斤拷同一DLL锟斤拷锟斤拷锟斤拷锟轿何筹拷锟津都斤拷锟斤拷锟斤拷锟斤拷一锟斤拷使锟斤拷DLL_PROCESS_ATTACH锟斤拷锟斤拷锟斤拷DllMain锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟角讹拷锟铰筹拷锟斤拷暮锟斤拷小锟�
锟斤拷锟斤拷锟绞硷拷锟斤拷晒锟斤拷锟紻llMain应锟矫达拷锟斤拷一锟斤拷锟斤拷0值锟斤拷锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷Windows锟斤拷执锟叫该筹拷式锟斤拷
锟斤拷fdwReason锟斤拷值为DLL_PROCESS_DETACH时锟斤拷锟斤拷味锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要DLL锟剿ｏ拷锟接讹拷锟结供锟斤拷锟斤拷式锟斤拷锟皆硷拷锟斤拷锟斤拷约锟斤拷幕锟斤拷帷ｏ拷锟�32位元锟斤拷Windows锟铰ｏ拷锟斤拷锟街达拷锟斤拷锟斤拷锟斤拷锟斤拷锟较革拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟矫的筹拷式写锟斤拷习锟竭★拷
锟斤拷锟狡地ｏ拷锟斤拷锟斤拷DLL_THREAD_ATTACH为fdwReason锟斤拷锟斤拷锟斤拷锟斤拷DllMain时锟斤拷锟斤拷味锟斤拷某锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟铰碉拷执锟斤拷锟斤拷锟斤拷锟斤拷执锟斤拷锟斤拷锟斤拷止时锟斤拷Windows锟斤拷DLL_THREAD_DETACH为fdwReason锟斤拷锟斤拷锟斤拷锟斤拷DllMain锟斤拷锟斤拷注锟解，锟斤拷锟斤拷锟教拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷执锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷么锟斤拷锟杰伙拷玫锟揭伙拷锟矫伙拷锟斤拷锟斤拷榷锟接σ伙拷锟紻LL_THREAD_ATTACH锟斤拷锟叫碉拷DLL_THREAD_DETACH锟斤拷锟叫★拷
锟斤拷使锟斤拷一锟斤拷DLL_THREAD_DETACH锟斤拷锟斤拷锟斤拷锟斤拷DllMain时锟斤拷执锟斤拷锟斤拷锟斤拷然锟斤拷锟节★拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节间发锟斤拷执锟斤拷锟斤拷讯息锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷使锟斤拷PostMessage锟斤拷锟斤拷为执锟斤拷锟斤拷锟斤拷锟斤拷锟节达拷讯息锟斤拷锟斤拷锟斤拷锟斤拷之前锟斤拷锟窖撅拷锟剿筹拷执锟斤拷锟剿★拷
锟斤拷锟皆筹拷式
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷EDRTEST锟斤拷锟斤拷锟秸硷拷锟斤建锟斤拷锟节讹拷锟斤拷专锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷为EDRTEST锟斤拷锟斤拷锟斤拷使锟斤拷EDRLIB.DLL锟斤拷锟斤拷Visual C++锟斤拷锟斤拷锟斤拷EDRTEST锟斤拷锟斤拷锟秸硷拷时锟斤拷锟斤拷印锟紽ile锟斤拷锟斤拷锟杰憋拷选锟斤拷New锟斤拷锟斤拷然锟斤拷锟节★拷New锟斤拷锟皆伙拷锟斤拷锟斤拷锟斤拷选锟斤拷Projects锟斤拷页锟斤拷锟角╋拷锟斤拷锟斤拷选锟斤拷Win32 Application锟斤拷锟斤拷锟斤拷确锟斤拷选锟斤拷锟剿★拷Add To Current Workspace锟斤拷锟斤拷钮锟斤拷锟斤拷锟斤拷专锟斤拷锟斤拷锟斤拷EDRTEST锟斤拷锟斤拷锟节★拷Locations锟斤拷锟斤拷删锟斤拷锟节讹拷锟斤拷EDRTEST锟斤拷目录锟斤拷锟斤拷锟铰★拷OK锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷一锟斤拷锟皆伙拷锟斤拷锟斤拷选锟斤拷An Empty Project锟斤拷锟斤拷锟斤拷锟斤拷Finish锟斤拷锟斤拷
锟接★拷File锟斤拷锟斤拷锟杰憋拷锟劫达拷选锟斤拷New锟斤拷锟斤拷选锟斤拷Files锟斤拷页锟斤拷锟角┤伙拷锟窖★拷锟紺++ Source File锟斤拷锟斤拷确锟斤拷锟斤拷Add To Project锟斤拷锟藉单锟斤拷锟斤拷锟斤拷示锟斤拷EDRTEST锟斤拷锟斤拷锟斤拷锟角★拷EDRLIB锟斤拷锟斤拷锟斤拷锟诫档锟斤拷锟斤拷锟斤拷EDRTEST.C锟斤拷然锟斤拷锟斤拷锟斤拷锟绞�21-2锟斤拷示锟侥筹拷式锟斤拷锟剿筹拷式锟斤拷EdrCenterText锟斤拷式锟斤拷锟斤拷示锟斤拷锟斤拷锟叫碉拷锟街达拷锟斤拷锟叫讹拷锟诫。
锟斤拷式21-2 EDRTEST
EDRTEST.C
/*---------------------------------------------------------------------------
EDRTEST.C -- Program using EDRLIB dynamic-link library
(c) Charles Petzold, 1998
----------------------------------------------------------------------------*/
#include <windows.h>
#include "edrlib.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("StrProg") ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("DLL Demonstration Program"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
PAINTSTRUCT ps ;
RECT rect ;
switch (message)
{
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
EdrCenterText ( hdc, &rect,
TEXT ("This string was displayed by a DLL")) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
注锟解，为锟剿讹拷锟斤拷EdrCenterText锟斤拷式锟斤拷EDRTEST.C锟斤拷锟斤拷EDRLIB.H锟斤拷头锟斤拷锟斤拷锟斤拷锟剿猴拷式锟斤拷锟斤拷WM_PAINT讯息锟斤拷锟斤拷锟节硷拷锟斤拷小锟�
锟节憋拷锟斤拷顺锟绞街帮拷锟斤拷锟斤拷锟斤拷锟较ｏ拷锟斤拷锟斤拷锟斤拷录锟斤拷锟斤拷隆锟斤拷锟斤拷龋锟斤拷凇锟絇roject锟斤拷锟斤拷锟杰憋拷选锟斤拷Select Active Project锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷EDRLIB锟斤拷锟酵★拷EDRTEST锟斤拷锟斤拷选锟斤拷EDRTEST锟斤拷锟斤拷锟斤拷锟斤拷锟铰憋拷锟斤拷斯锟斤拷锟斤拷占锟绞憋拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷卤锟斤拷锟斤拷锟角筹拷式锟斤拷锟斤拷锟解，锟节★拷Project锟斤拷锟斤拷锟杰憋拷锟叫ｏ拷选锟斤拷Dependencies锟斤拷锟斤拷锟节★拷Select Project To Modify锟斤拷锟藉单锟斤拷锟斤拷锟斤拷选锟斤拷EDRTEST锟斤拷锟斤拷锟节★拷Dependent On The Following Project(s)锟斤拷锟叫憋拷选锟叫★拷EDRLIB锟斤拷锟斤拷锟剿诧拷锟斤拷锟斤拷锟斤拷思锟角ｏ拷EDRTEST锟斤拷要EDRLIB锟斤拷态锟斤拷锟斤拷锟绞斤拷狻ｏ拷锟斤拷锟矫匡拷锟斤拷锟斤拷卤锟斤拷锟紼DRTEST时锟斤拷锟斤拷锟斤拷锟揭拷幕锟斤拷锟斤拷锟斤拷锟斤拷诒锟斤拷锟斤拷锟斤拷锟斤拷EDRTEST之前锟斤拷锟斤拷锟斤拷锟铰憋拷锟斤拷EDRLIB锟斤拷
锟接★拷Project锟斤拷锟斤拷锟杰憋拷选锟斤拷Settings锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷General锟斤拷锟斤拷签锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叩拇锟斤拷锟斤拷锟窖★拷锟紼DRLIB锟斤拷锟斤拷锟竭★拷EDRTEST锟斤拷专锟斤拷时锟斤拷锟斤拷锟斤拷瓒ㄎ拷锟絎in32 Release锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟揭边达拷锟斤拷锟叫的★拷Intermediate Files锟斤拷锟酵★拷Output Files锟斤拷锟斤拷位锟絉ELEASE目录锟斤拷锟斤拷锟斤拷瓒ㄎ拷锟絎in32 Debug锟斤拷锟斤拷锟斤拷位锟紻EBUG目录锟斤拷锟斤拷锟斤拷锟斤拷牵锟斤拷氚达拷锟斤拷薷摹锟斤拷锟斤拷锟斤拷锟饺凤拷锟紼DRLIB.DLL锟斤拷EDRTEST.EXE锟斤拷同一锟斤拷目录锟叫ｏ拷锟斤拷锟揭筹拷式锟斤拷使锟斤拷DLL时也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻�
锟节★拷Project Setting锟斤拷锟皆伙拷锟斤拷锟斤拷锟斤拷锟斤拷然选锟叫★拷EDRTEST锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷C/C++锟斤拷页锟斤拷锟角╋拷锟斤拷锟斤拷锟斤拷锟侥癸拷锟斤拷锟斤拷锟节★拷Preprocessor Definitions锟斤拷锟叫ｏ拷锟斤拷锟斤拷UNICODE锟斤拷锟斤拷锟接碉拷Debug锟借定锟斤拷
锟斤拷锟斤拷锟斤拷锟酵匡拷锟斤拷锟节★拷Debug锟斤拷锟斤拷Release锟斤拷锟借定锟斤拷锟斤拷锟铰憋拷锟斤拷EDRTEST.EXE锟剿★拷锟斤拷要时锟斤拷Visual C++锟斤拷锟斤拷锟饺憋拷锟斤拷锟斤拷锟斤拷锟紼DRLIB锟斤拷RELEASE锟斤拷DEBUG目录锟斤拷锟斤拷锟斤拷EDRLIB.LIB锟斤拷锟斤拷锟矫筹拷式锟解）锟斤拷EDRLIB.DLL锟斤拷锟斤拷Developer Studio锟斤拷锟斤拷EDRTEST时锟斤拷锟斤拷锟皆讹拷锟斤拷锟斤拷锟斤拷锟矫筹拷式锟解。
锟剿斤拷EDRTEST.EXE锟斤拷锟斤拷锟叫诧拷锟斤拷锟斤拷EdrCenterText锟斤拷式锟斤拷锟斤拷锟揭拷锟斤拷锟绞碉拷希锟揭わ拷锟街达拷锟斤拷锟紼DRLIB.DLL锟斤拷锟斤拷锟斤拷EdrCenterText锟斤拷式锟杰简单ｏ拷执锟斤拷EDRTEST.EXE锟斤拷要EDRLIB.DLL锟斤拷
执锟斤拷EDRTEST.EXE时锟斤拷Windows锟斤拷锟解部锟斤拷式锟斤拷模锟斤拷执锟叫固讹拷锟侥猴拷式锟斤拷锟斤拷锟斤拷锟斤拷锟洁函式锟斤拷锟斤拷一锟斤拷Windows锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷小锟斤拷锟絎indows也锟斤拷锟斤拷锟斤拷式锟斤拷EDRLIB锟斤拷锟斤拷锟剿猴拷式锟斤拷锟斤拷锟絎indows锟斤拷EDRLIB.DLL锟斤拷锟斤拷锟斤拷锟诫到锟斤拷锟斤拷锟藉，然锟斤拷锟斤拷锟紼DRLIB锟侥筹拷始锟斤拷锟斤拷式锟斤拷EDRTEST锟斤拷锟斤拷EdrCenterText锟斤拷式锟角讹拷态锟斤拷锟结到EDRLIB锟叫猴拷式锟侥★拷
锟斤拷EDRTEST.C原始锟诫档锟斤拷锟叫帮拷锟斤拷EDRLIB.H锟斤拷锟斤拷锟絎INDOWS.H锟斤拷锟狡★拷锟斤拷锟斤拷EDRLIB.LIB锟斤拷锟斤拷锟斤拷Windows锟斤拷锟矫筹拷式锟解（锟斤拷锟斤拷USER32.LIB锟斤拷锟斤拷锟狡★拷锟斤拷锟斤拷锟侥筹拷式执锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷EDLIB.DLL锟侥凤拷式锟斤拷锟斤拷锟斤拷USER32.DLL锟侥凤拷式锟斤拷同锟斤拷锟斤拷喜锟斤拷锟斤拷锟斤拷锟窖撅拷锟斤拷展锟斤拷Windows锟侥癸拷锟杰ｏ拷
锟节硷拷锟斤拷之前锟斤拷锟揭伙拷要锟皆讹拷态锟斤拷锟斤拷锟绞斤拷锟斤拷说锟斤拷一些锟斤拷
锟斤拷锟饺ｏ拷锟斤拷然锟斤拷锟角斤拷DLL锟斤拷为Windows锟斤拷锟斤拷锟届，锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷应锟矫筹拷式锟斤拷锟斤拷锟届。DLL锟斤拷锟斤拷傻锟矫匡拷锟斤拷锟斤拷锟斤拷锟斤拷应锟矫筹拷式锟斤拷说锟斤拷锟斤拷应锟矫筹拷式锟斤拷锟斤拷锟斤拷要锟斤拷傻摹锟斤拷锟斤拷纾︼拷贸锟绞接碉拷锟紻LL锟斤拷锟矫碉拷全锟斤拷锟斤拷锟斤拷锟藉、DLL锟斤拷锟斤拷锟斤拷全锟斤拷锟接达拷锟皆硷拷DLL锟津开碉拷锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟接︼拷贸锟绞斤拷锟斤拷锟酵笔癸拷锟酵伙拷锟紻LL锟斤拷锟斤拷锟斤拷Windows锟铰ｏ拷锟斤拷些应锟矫筹拷式锟斤拷锟斤拷锟洁互影锟届。
锟斤拷锟斤拷锟斤拷锟斤拷芄锟斤拷锟斤拷锟揭伙拷锟斤拷锟教拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷同锟侥筹拷式锟诫。锟斤拷锟角ｏ拷DLL为每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷隙锟斤拷锟酵拷锟矫匡拷锟斤拷锟斤拷锟轿狣LL锟斤拷使锟矫碉拷全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷位址锟秸间。锟斤拷锟角斤拷锟斤拷锟斤拷锟皆节匡拷锟斤拷锟斤拷锟斤拷锟矫硷拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷墓锟斤拷锟斤拷锟�
锟斤拷DLL锟叫癸拷锟矫硷拷锟斤拷锟斤拷
锟斤拷
锟斤拷锟斤拷锟剿奋碉拷锟角ｏ拷Windows锟杰癸拷锟斤拷同时使锟斤拷同一锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷应锟矫筹拷式锟街匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷时却锟斤拷太锟斤拷锟斤拷锟斤拷锟解。锟斤拷锟斤拷锟斤拷希锟斤拷写一锟斤拷DLL锟斤拷锟斤拷锟叫帮拷锟斤拷锟杰癸拷锟斤拷锟斤拷同应锟矫筹拷式锟斤拷锟斤拷同一锟斤拷锟斤拷式锟侥诧拷同锟斤拷式锟斤拷锟斤拷锟矫的硷拷锟斤拷锟藉。锟斤拷锟斤拷锟绞癸拷霉锟斤拷眉锟斤拷锟斤拷濉ｏ拷锟斤拷眉锟斤拷锟斤拷锟绞碉拷锟斤拷锟斤拷锟揭伙拷旨锟斤拷锟斤拷锟接筹拷涞碉拷锟斤拷锟�
锟斤拷锟斤拷锟角诧拷锟斤拷一锟铰ｏ拷锟斤拷锟筋工锟斤拷锟斤拷锟斤拷锟斤拷诔锟绞絊TRPROG锟斤拷锟斤拷锟街达拷锟斤拷式锟斤拷string program锟斤拷锟斤拷锟斤拷锟酵讹拷态锟斤拷锟斤拷锟绞斤拷锟絊TRLIB锟斤拷锟斤拷锟街达拷锟斤拷式锟解（string library锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷傻摹锟絊TRLIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟絊TRPROG锟斤拷锟叫ｏ拷锟斤拷锟斤拷只锟皆此革拷锟斤拷趣锟斤拷STRLIB锟叫碉拷一锟斤拷锟斤拷式使锟斤拷锟斤拷锟斤拷STRPROG锟斤拷锟斤拷锟絚allback锟斤拷式锟斤拷
STRLIB锟斤拷一锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟侥ｏ拷椋拷锟斤拷锟斤拷娌拷锟斤拷锟斤拷锟斤拷锟斤拷256锟斤拷锟街达拷锟斤拷锟斤拷STRLIB锟叫ｏ拷锟斤拷些锟街达拷锟斤拷为锟斤拷写锟斤拷锟斤拷锟缴癸拷锟矫硷拷锟斤拷锟斤拷维锟斤拷锟斤拷锟斤拷锟斤拷STRLIB锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷STRPROG锟杰癸拷锟斤拷锟斤拷锟街达拷锟斤拷删锟斤拷锟街达拷锟皆硷拷锟斤拷STRLIB锟斤拷锟侥壳帮拷锟斤拷锟斤拷锟斤拷执锟斤拷锟絊TRPROG锟斤拷锟皆筹拷式锟斤拷锟斤拷锟斤拷锟斤拷锟杰憋拷锟筋（锟斤拷Enter锟斤拷锟酵★拷Delete锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰憋拷锟筋将锟斤拷锟斤拷锟斤拷同锟侥对伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟接伙拷删锟斤拷锟街达拷锟斤拷STRPROG锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟叫筹拷目前锟斤拷锟斤拷锟斤拷STRLIB锟叫碉拷锟斤拷锟斤拷锟街达拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟絊TRLIB锟斤拷锟藉，锟斤拷锟斤拷一锟斤拷锟街达拷锟斤拷锟接碉拷STRLIB锟侥癸拷锟矫硷拷锟斤拷锟藉。
EXPORT BOOL CALLBACK AddString (pStringIn)
锟斤拷锟斤拷pStringIn锟斤拷锟街达拷锟斤拷指锟疥。锟街达拷锟斤拷AddString锟斤拷式锟叫憋拷纱锟叫达拷锟斤拷锟斤拷锟斤拷STRLIB锟斤拷锟叫憋拷锟斤拷锟斤拷一锟斤拷锟斤拷同锟斤拷锟街达拷锟斤拷锟斤拷么锟剿猴拷式锟斤拷锟斤拷锟斤拷一锟斤拷锟街达拷锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷晒锟斤拷锟紸ddString锟斤拷锟截★拷TRUE锟斤拷锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷锟津传回★拷FALSE锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷锟斤拷执锟斤拷某锟斤拷锟轿�0锟斤拷锟斤拷锟竭诧拷锟斤拷锟斤拷锟矫达拷锟斤拷锟街达拷锟侥硷拷锟斤拷锟藉，锟斤拷锟斤拷锟窖撅拷锟斤拷锟斤拷锟斤拷256锟斤拷锟街达拷锟斤拷锟津传伙拷值锟斤拷锟斤拷锟斤拷FALSE锟斤拷
STRLIB锟斤拷式锟斤拷STRLIB锟侥癸拷锟矫硷拷锟斤拷锟斤拷锟斤拷删锟斤拷一锟斤拷锟街达拷锟斤拷
EXPORT BOOL CALLBACK DeleteString (pStringIn)
锟斤拷锟解，锟斤拷锟斤拷pStringIn锟斤拷一锟斤拷锟街达拷指锟疥。锟斤拷锟斤拷卸锟斤拷锟斤拷同锟斤拷锟斤拷锟街达拷锟斤拷锟斤拷删锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷晒锟斤拷锟斤拷锟矫碊eleteString锟斤拷锟截★拷TRUE锟斤拷锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷锟津传回★拷FALSE锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷锟截★拷FALSE锟斤拷锟斤拷示锟街达拷锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷同锟斤拷锟捷碉拷锟街达拷锟斤拷
STRLIB锟斤拷式使锟斤拷锟剿猴拷锟叫筹拷式锟叫碉拷一锟斤拷callback锟斤拷式锟斤拷锟皆憋拷锟叫筹拷目前锟斤拷锟斤拷锟斤拷STRLIB锟斤拷锟矫硷拷锟斤拷锟斤拷锟叫碉拷锟街达拷锟斤拷
EXPORT int CALLBACK GetStrings (pfnGetStrCallBack, pParam)
锟节猴拷锟叫筹拷式锟叫ｏ拷callback锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉：
EXPORT BOOL CALLBACK GetStrCallBack (PSTR pString, PVOID pParam)
GetStrings锟侥诧拷锟斤拷pfnGetStrCallBack指锟斤拷callback锟斤拷式锟斤拷直锟斤拷callback锟斤拷式锟斤拷锟截★拷FALSE锟斤拷锟斤拷0锟斤拷锟斤拷GetStrings锟斤拷为每锟斤拷锟街达拷锟斤拷锟斤拷锟斤拷一锟斤拷GetStrCallBack锟斤拷GetStrings锟斤拷锟截达拷锟捷革拷callback锟斤拷式锟斤拷锟街达拷锟斤拷锟斤拷pParam锟斤拷锟斤拷锟斤拷一锟斤拷远锟斤拷指锟疥，指锟斤拷锟绞叫达拷锟斤拷叨锟斤拷锟斤拷锟斤拷锟较★拷
锟斤拷然锟斤拷锟剿筹拷式锟斤拷锟皆憋拷锟斤拷锟経nicode锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷STRLIB锟斤拷支援锟铰ｏ拷锟斤拷锟斤拷锟経nicode锟酵凤拷Unicode应锟矫筹拷式锟斤拷锟斤拷EDRLIB一锟斤拷锟斤拷锟斤拷锟叫的猴拷式锟斤拷锟叫★拷A锟斤拷锟酵★拷W锟斤拷锟斤拷锟街版本锟斤拷锟斤拷锟节诧拷锟斤拷STRLIB锟斤拷Unicode锟斤拷锟斤拷锟斤拷锟叫碉拷锟街达拷锟斤拷锟斤拷锟斤拷锟経nicode锟斤拷式使锟斤拷锟斤拷STRLIB锟斤拷也锟斤拷锟斤拷说锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷AddStringA锟斤拷DeleteStringA锟斤拷GetStringsA锟斤拷锟斤拷锟街达拷锟斤拷锟斤拷Unicode锟酵凤拷Unicode之锟斤拷转锟斤拷锟斤拷
锟斤拷STRPROG锟斤拷STRLIB专锟斤拷锟斤拷氐墓锟斤拷锟斤拷占锟斤拷锟轿猄TRPROG锟斤拷锟剿碉拷锟斤拷锟斤拷EDRTEST锟斤拷锟斤拷锟秸硷拷姆锟绞斤拷锟较★拷锟斤拷式21-3锟斤拷示锟剿斤拷锟斤拷STRLIB.DLL锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷式21-3 STRLI
STRLIB.H
/*----------------------------------------------------------------------------
STRLIB.H header file
-----------------------------------------------------------------------------*/
#ifdef __cplusplus
#define EXPORT extern "C" __declspec (dllexport)
#else
#define EXPORT __declspec (dllexport)
#endif
// The maximum number of strings STRLIB will store and their lengths
#define MAX_STRINGS 256
#define MAX_LENGTH 63
// The callback function type definition uses generic strings
typedef BOOL (CALLBACK * GETSTRCB) (PCTSTR, PVOID) ;
// Each function has ANSI and Unicode versions
EXPORT BOOL CALLBACK AddStringA (PCSTR) ;
EXPORT BOOL CALLBACK AddStringW (PCWSTR) ;
EXPORT BOOL CALLBACK DeleteStringA (PCSTR) ;
EXPORT BOOL CALLBACK DeleteStringW (PCWSTR) ;
EXPORT int CALLBACK GetStringsA (GETSTRCB, PVOID) ;
EXPORT int CALLBACK GetStringsW (GETSTRCB, PVOID) ;
// Use the correct version depending on the UNICODE identifier
#ifdef UNICODE
#define AddString AddStringW
#define DeleteString DeleteStringW
#define GetStrings GetStringsW
#else
#define AddString AddStringA
#define DeleteString DeleteStringA
#define GetStrings GetStringsA
#endif
STRLIB.C
/*---------------------------------------------------------------------------
STRLIB.C - Library module for STRPROG program
(c) Charles Petzold, 1998
----------------------------------------------------------------------------*/
#include <windows.h>
#include <wchar.h> // for wide-character string functions
#include "strlib.h"
// shared memory section (requires /SECTION:shared,RWS in link options)
#pragma data_seg ("shared")
int iTotal = 0 ;
WCHAR szStrings [MAX_STRINGS][MAX_LENGTH + 1] = { '\0' } ;
#pragma data_seg ()
#pragma comment(linker,"/SECTION:shared,RWS")
int WINAPI DllMain (HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
{
return TRUE ;
}
EXPORT BOOL CALLBACK AddStringA (PCSTR pStringIn)
{
BOOL bReturn ;
int iLength ;
PWSTR pWideStr ;
// Convert string to Unicode and call AddStringW
iLength = MultiByteToWideChar (CP_ACP, 0, pStringIn, -1, NULL, 0) ;
pWideStr = malloc (iLength) ;
MultiByteToWideChar (CP_ACP, 0, pStringIn, -1, pWideStr, iLength) ;
bReturn = AddStringW (pWideStr) ;
free (pWideStr) ;
return bReturn ;
}
EXPORT BOOL CALLBACK AddStringW (PCWSTR pStringIn)
{
PWSTR pString ;
int i, iLength ;
if (iTotal == MAX_STRINGS - 1)
return FALSE ;
if ((iLength = wcslen (pStringIn)) == 0)
return FALSE ;
// Allocate memory for storing string, copy it, convert to uppercase
pString = malloc (sizeof (WCHAR) * (1 + iLength)) ;
wcscpy (pString, pStringIn) ;
_wcsupr (pString) ;
// Alphabetize the strings
for (i = iTotal ; i > 0 ; i-)
{
if (wcscmp (pString, szStrings[i - 1]) >= 0)
break ;
wcscpy (szStrings[i], szStrings[i - 1]) ;
}
wcscpy (szStrings[i], pString) ;
iTotal++ ;
free (pString) ;
return TRUE ;
}
EXPORT BOOL CALLBACK DeleteStringA (PCSTR pStringIn)
{
BOOL bReturn ;
int iLength ;
PWSTR pWideStr ;
// Convert string to Unicode and call DeleteStringW
iLength = MultiByteToWideChar (CP_ACP, 0, pStringIn, -1, NULL, 0) ;
pWideStr = malloc (iLength) ;
MultiByteToWideChar (CP_ACP, 0, pStringIn, -1, pWideStr, iLength) ;
bReturn = DeleteStringW (pWideStr) ;
free (pWideStr) ;
return bReturn ;
}
EXPORT BOOL CALLBACK DeleteStringW (PCWSTR pStringIn)
{
int i, j ;
if (0 == wcslen (pStringIn))
return FALSE ;
for (i = 0 ; i < iTotal ; i++)
{
if (_wcsicmp (szStrings[i], pStringIn) == 0)
break ;
}
// If given string not in list, return without taking action
if (i == iTotal)
return FALSE ;
// Else adjust list downward
for (j = i ; j < iTotal ; j++)
wcscpy (szStrings[j], szStrings[j + 1]) ;
szStrings[iTotal-][0] = '\0' ;
return TRUE ;
}
EXPORT int CALLBACK GetStringsA (GETSTRCB pfnGetStrCallBack, PVOID pParam)
{
BOOL bReturn ;
int i, iLength ;
PSTR pAnsiStr ;
for (i = 0 ; i < iTotal ; i++)
{
// Convert string from Unicode
iLength = WideCharToMultiByte ( CP_ACP, 0, szStrings[i], -1, NULL, 0, NULL, NULL) ;
pAnsiStr = malloc (iLength) ;
WideCharToMultiByte ( CP_ACP, 0, szStrings[i], -1, pAnsiStr, iLength, NULL, NULL) ;
// Call callback function
bReturn = pfnGetStrCallBack (pAnsiStr, pParam) ;
if (bReturn == FALSE)
return i + 1 ;
free (pAnsiStr) ;
}
return iTotal ;
}
EXPORT int CALLBACK GetStringsW (GETSTRCB pfnGetStrCallBack, PVOID pParam)
{
BOOL bReturn ;
int i ;
for (i = 0 ; i < iTotal ; i++)
{
bReturn = pfnGetStrCallBack (szStrings[i], pParam) ;
if (bReturn == FALSE)
return i + 1 ;
}
return iTotal ;
}
锟斤拷锟斤拷DllMain锟斤拷式锟斤拷锟解，STRLIB锟斤拷只锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷谩锟斤拷锟斤拷锟斤拷锟叫╋拷锟绞斤拷锟斤拷锟紼XPORT锟斤拷锟藉。锟斤拷锟绞筁INK锟斤拷STRLIB.LIB锟斤拷锟矫筹拷式锟斤拷锟斤拷锟叫筹拷锟斤拷锟角★拷
STRPROG锟斤拷式
锟斤拷
STRPROG锟斤拷式锟斤拷锟绞�21-4锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟洁当浅锟斤拷锟阶讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰憋拷选锟斤拷(Enter锟斤拷Delete)锟斤拷锟斤拷一锟斤拷锟皆伙拷锟斤拷锟介，锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟街达拷锟斤拷然锟斤拷STRPROG锟斤拷锟斤拷AddString锟斤拷锟斤拷DeleteString锟斤拷锟斤拷锟斤拷式锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷GetStrings锟斤拷使锟矫猴拷式GetStrCallBack锟斤拷锟叫筹拷锟斤拷锟叫举碉拷锟街达拷锟斤拷
锟斤拷式21-4 STRPROG
STRPROG.C
/*----------------------------------------------------------------------------
STRPROG.C - Program using STRLIB dynamic-link library
(c) Charles Petzold, 1998
-----------------------------------------------------------------------------*/
#include <windows.h>
#include "strlib.h"
#include "resource.h"
typedef struct
{
HDC hdc ;
int xText ;
int yText ;
int xStart ;
int yStart ;
int xIncr ;
int yIncr ;
int xMax ;
int yMax ;
}
CBPARAM ;
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName [] = TEXT ("StrProg") ;
TCHAR szString [MAX_LENGTH + 1] ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow ( szAppName, TEXT ("DLL Demonstration Program"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
BOOL CALLBACK DlgProc (HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
SendDlgItemMessage (hDlg, IDC_STRING, EM_LIMITTEXT, MAX_LENGTH, 0) ;
return TRUE ;
case WM_COMMAND:
switch (wParam)
{
case IDOK:
GetDlgItemText (hDlg, IDC_STRING, szString, MAX_LENGTH) ;
EndDialog (hDlg, TRUE) ;
return TRUE ;
case IDCANCEL:
EndDialog (hDlg, FALSE) ;
return TRUE ;
}
}
return FALSE ;
}
BOOL CALLBACK GetStrCallBack (PTSTR pString, CBPARAM * pcbp)
{
TextOut ( pcbp->hdc, pcbp->xText, pcbp->yText,
pString, lstrlen (pString)) ;
if ((pcbp->yText += pcbp->yIncr) > pcbp->yMax)
{
pcbp->yText = pcbp->yStart ;
if ((pcbp->xText += pcbp->xIncr) > pcbp->xMax)
return FALSE ;
}
return TRUE ;
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HINSTANCE hInst ;
static int cxChar, cyChar, cxClient, cyClient ;
static UINT iDataChangeMsg ;
CBPARAM cbparam ;
HDC hdc ;
PAINTSTRUCT ps ;
TEXTMETRIC tm ;
switch (message)
{
case WM_CREATE:
hInst = ((LPCREATESTRUCT) lParam)->hInstance ;
hdc = GetDC (hwnd) ;
GetTextMetrics (hdc, &tm) ;
cxChar = (int) tm.tmAveCharWidth ;
cyChar = (int) (tm.tmHeight + tm.tmExternalLeading) ;
ReleaseDC (hwnd, hdc) ;
// Register message for notifying instances of data changes
iDataChangeMsg = RegisterWindowMessage (TEXT ("StrProgDataChange")) ;
return 0 ;
case WM_COMMAND:
switch (wParam)
{
case IDM_ENTER:
if (DialogBox (hInst, TEXT ("EnterDlg"), hwnd, &DlgProc))
{
if (AddString (szString))
PostMessage (HWND_BROADCAST, iDataChangeMsg, 0, 0) ;
else
MessageBeep (0) ;
}
break ;
case IDM_DELETE:
if (DialogBox (hInst, TEXT ("DeleteDlg"), hwnd, &DlgProc))
{
if (DeleteString (szString))
PostMessage (HWND_BROADCAST, iDataChangeMsg, 0, 0) ;
else
MessageBeep (0) ;
}
break ;
}
return 0 ;
case WM_SIZE:
cxClient = (int) LOWORD (lParam) ;
cyClient = (int) HIWORD (lParam) ;
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
cbparam.hdc = hdc ;
cbparam.xText = cbparam.xStart = cxChar ;
cbparam.yText = cbparam.yStart = cyChar ;
cbparam.xIncr = cxChar * MAX_LENGTH ;
cbparam.yIncr = cyChar ;
cbparam.xMax = cbparam.xIncr * (1 + cxClient / cbparam.xIncr) ;
cbparam.yMax = cyChar * (cyClient / cyChar - 1) ;
GetStrings ((GETSTRCB) GetStrCallBack, (PVOID) &cbparam) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
default:
if (message == iDataChangeMsg)
InvalidateRect (hwnd, NULL, TRUE) ;
break ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
STRPROG.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Dialog
ENTERDLG DIALOG DISCARDABLE 20, 20, 186, 47
STYLE DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "Enter"
FONT 8, "MS Sans Serif"
BEGIN
LTEXT "&Enter:",IDC_STATIC,7,7,26,9
EDITTEXT IDC_STRING,31,7,148,12,ES_AUTOHSCROLL
DEFPUSHBUTTON "OK",IDOK,32,26,50,14
PUSHBUTTON "Cancel",IDCANCEL,104,26,50,14
END
DELETEDLG DIALOG DISCARDABLE 20, 20, 186, 47
STYLE DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "Delete"
FONT 8, "MS Sans Serif"
BEGIN
LTEXT "&Delete:",IDC_STATIC,7,7,26,9
EDITTEXT IDC_STRING,31,7,148,12,ES_AUTOHSCROLL
DEFPUSHBUTTON "OK",IDOK,32,26,50,14
PUSHBUTTON "Cancel",IDCANCEL,104,26,50,14
END
/////////////////////////////////////////////////////////////////////////////
// Menu
STRPROG MENU DISCARDABLE
BEGIN
MENUITEM "&Enter!", IDM_ENTER
MENUITEM "&Delete!", IDM_DELETE
END
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by StrProg.rc #define IDC_STRING 1000 #define IDM_ENTER 40001 #define IDM_DELETE 40002 #define IDC_STATIC -1
STRPROG.C锟斤拷锟斤拷STRLIB.H锟斤拷头锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷STRPROG锟斤拷使锟矫碉拷STRLIB锟叫碉拷锟斤拷锟斤拷锟斤拷式锟斤拷
锟斤拷锟斤拷执锟斤拷STRPROG锟侥讹拷锟街达拷锟绞碉拷锟斤拷时锟津，憋拷锟斤拷式锟侥帮拷锟斤拷之锟斤拷锟酵伙拷锟斤拷露锟斤拷锟斤拷锟斤拷STRLIB锟斤拷锟节癸拷锟矫硷拷锟斤拷锟斤拷锟叫达拷锟斤拷锟街达拷锟斤拷锟斤拷指锟疥，锟斤拷锟斤拷锟斤拷STRPROG锟叫碉拷锟斤拷锟斤拷执锟斤拷实锟藉共锟矫达拷锟斤拷锟较★拷锟斤拷锟斤拷锟角匡拷一锟斤拷锟斤拷锟斤拷锟斤拷锟街达拷械陌伞锟�
锟斤拷STRPROG执锟斤拷实锟斤拷之锟戒共锟斤拷锟斤拷锟斤拷
锟斤拷
Windows锟斤拷一锟斤拷Win32锟斤拷锟斤拷锟轿恢凤拷占锟斤拷锟轿э拷锟斤拷锟揭伙拷锟角斤拷锟酵拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷位址锟秸硷拷锟叫碉拷锟斤拷锟斤拷锟斤拷私锟叫的ｏ拷锟皆憋拷某锟斤拷锟斤拷锟斤拷锟角诧拷锟缴硷拷锟侥★拷锟斤拷锟斤拷执锟斤拷STRPROG锟侥讹拷锟街达拷锟绞碉拷锟斤拷示锟斤拷STRLIB锟节筹拷式锟斤拷锟斤拷锟斤拷执锟斤拷实锟斤拷之锟戒共锟斤拷锟斤拷锟斤拷锟角猴拷锟斤拷锟斤拷锟斤拷摹锟斤拷锟斤拷锟斤拷锟揭伙拷锟絊TRPROG锟接达拷锟斤拷锟斤拷锟接伙拷锟斤拷删锟斤拷一锟斤拷锟街达拷时锟斤拷锟斤拷锟街改变将锟斤拷锟斤拷锟斤拷映锟斤拷锟斤拷锟斤拷锟斤拷锟接达拷锟叫★拷
锟斤拷全锟斤拷锟斤拷式之锟戒，STRLIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷元锟斤拷锟叫猴拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷录锟窖达拷锟斤拷锟斤拷锟叫э拷执锟斤拷母锟斤拷锟斤拷锟斤拷锟絊TRLIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节癸拷锟矫碉拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷校锟�
#pragma data_seg ("shared")
int iTotal = 0 ;
WCHAR szStrings [MAX_STRINGS][MAX_LENGTH + 1] = { '\0' } ;
#pragma data_seg ()
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锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷一锟斤拷锟斤拷shared锟斤拷锟斤拷锟斤拷锟斤拷锟较段★拷锟节★拷Project Settings锟斤拷锟皆伙拷锟斤拷锟斤拷选锟斤拷Link锟斤拷页锟斤拷锟角╋拷锟窖★拷小锟絊TRLIB锟斤拷时锟节★拷Project Options锟斤拷锟斤拷位锟斤拷锟斤拷Release锟斤拷Debug锟借定锟叫撅拷锟缴ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
/SECTION:shared,RWS
锟斤拷母RWS锟斤拷示锟轿撅拷锟叫讹拷锟斤拷写锟酵癸拷锟斤拷锟斤拷锟皆★拷锟斤拷锟竭ｏ拷锟斤拷也锟斤拷锟斤拷直锟斤拷锟斤拷DLL原始锟斤拷指锟斤拷锟斤拷锟斤拷选锟筋，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷STRLIB.C锟斤拷锟斤拷锟斤拷
#pragma comment(linker,"/SECTION:shared,RWS")
锟斤拷锟矫的硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟絠Total锟斤拷锟斤拷锟斤拷szStrings锟街达拷锟斤拷锟斤拷锟斤拷STRLIB锟斤拷锟斤拷锟叫筹拷式之锟戒共锟矫★拷锟斤拷为MAX_STRINGS锟斤拷锟�256锟斤拷锟斤拷MAX_LENGTH锟斤拷锟�63锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟矫硷拷锟斤拷锟斤拷蔚某锟斤拷锟轿�32,772位元锟介－iTotal锟斤拷锟斤拷锟斤拷要4位元锟介，256锟斤拷指锟斤拷锟叫碉拷每一锟斤拷锟斤拷锟斤拷要128位元锟介。
使锟矫癸拷锟矫硷拷锟斤拷锟斤拷慰锟斤拷锟斤拷锟斤拷诙锟斤拷应锟矫筹拷式锟戒共锟斤拷锟斤拷锟较碉拷锟斤拷虻サ姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷态锟斤拷锟矫癸拷锟矫硷拷锟斤拷锟斤拷占洌拷锟接︼拷貌榭达拷锟斤拷锟斤拷锟接筹拷涞碉拷锟斤拷锟斤拷锟斤拷锟矫凤拷锟斤拷锟侥硷拷锟斤拷/Platform SDK/Windows Base Services/Interprocess Communication/File Mapping锟斤拷
锟斤拷式锟斤拷锟斤拷锟斤拷DLL锟斤拷锟斤拷
锟斤拷
锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷态锟斤拷锟斤拷锟绞斤拷锟侥ｏ拷椴伙拷锟斤拷锟窖断拷锟斤拷锟斤拷牵锟斤拷锟教拷锟斤拷锟斤拷式锟斤拷模锟斤拷珊锟斤拷锟紾etMessage锟斤拷PeekMessage锟斤拷实锟斤拷锟较ｏ拷锟斤拷讯息锟斤拷锟斤拷锟叫得碉拷锟斤拷讯息锟角凤拷锟斤拷锟斤拷锟叫筹拷式锟解函式锟侥筹拷式锟侥★拷一锟斤拷锟斤拷说锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷某锟绞斤拷锟斤拷锟斤拷模锟斤拷锟斤拷锟揭伙拷锟皆筹拷式锟斤拷锟斤拷锟斤拷锟叫的达拷锟斤拷锟絎indows锟斤拷式锟斤拷锟斤拷锟矫的癸拷锟斤拷
锟斤拷态锟斤拷锟斤拷锟绞斤拷锟斤拷锟皆从筹拷式锟解档锟斤拷锟斤拷锟竭从猴拷锟叫筹拷式锟斤拷某锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆达拷锟斤拷锟酵际撅拷锟斤拷执锟斤拷偷锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆达拷暮锟绞斤拷锟揭达拷锟绞碉拷锟斤拷锟脚★拷锟斤拷锟斤拷锟绞斤拷锟绞癸拷锟斤拷锟斤拷约锟斤拷锟街达拷锟绞碉拷锟斤拷锟脚ｏ拷锟斤拷始锟斤拷锟节间传锟斤拷锟斤拷式锟斤拷模锟斤拷锟斤拷锟斤拷式锟斤拷锟杰达拷锟斤拷锟皆硷拷锟侥碉拷锟斤拷锟叫伙拷锟斤拷锟皆达拷锟轿拷舜雍锟斤拷谐锟绞斤拷锟�.EXE锟斤拷锟斤拷锟叫得碉拷锟斤拷源锟斤拷锟斤拷式锟斤拷式锟解函式锟斤拷要锟斤拷锟叫该猴拷式锟侥筹拷式锟斤拷执锟斤拷实锟斤拷锟斤拷拧锟�
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锟斤拷为模态锟皆伙拷锟斤拷锟斤拷锟窖断拷锟斤拷诔锟绞斤拷锟窖断拷锟饺χ拷锟斤拷锟秸碉拷锟侥ｏ拷锟斤拷锟绞癸拷锟斤拷呖锟斤拷锟斤拷诔锟绞斤拷锟斤拷泻锟斤拷锟紻ialogBox锟斤拷锟斤拷锟斤拷模态锟皆伙拷锟斤拷锟介。执锟斤拷实锟斤拷锟斤拷趴锟斤拷锟斤拷浅锟绞斤拷锟斤拷锟脚ｏ拷锟斤拷锟斤拷DialogBox锟斤拷hwndParent锟斤拷锟斤拷锟斤拷锟斤拷为NULL锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟侥讹拷态锟斤拷锟斤拷
锟斤拷
锟斤拷锟斤拷锟节碉拷一锟轿帮拷使锟斤拷锟竭筹拷式锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷锟絎indows执锟叫讹拷态锟斤拷锟斤拷锟解，锟斤拷式执锟斤拷时也锟斤拷锟皆把筹拷式同锟斤拷态锟斤拷锟斤拷锟绞斤拷锟侥ｏ拷锟斤拷锟斤拷岬揭伙拷锟斤拷锟斤拷纾拷锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絉ectangle锟斤拷式锟斤拷
Rectangle (hdc, xLeft, yTop, xRight, yBottom) ;
锟斤拷为锟斤拷式锟斤拷GDI32.LIB锟斤拷锟矫筹拷式锟斤拷锟斤拷锟结，锟矫筹拷式锟斤拷锟结供锟斤拷Rectangle锟斤拷位址锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟叫э拷锟�
锟斤拷也锟斤拷锟斤拷锟矫革拷锟截回的凤拷锟斤拷锟斤拷锟斤拷Rectangle锟斤拷锟斤拷锟斤拷锟斤拷typedef为Rectangle锟斤拷锟斤拷一锟斤拷锟斤拷式锟斤拷态锟斤拷
typedef BOOL (WINAPI * PFNRECT) (HDC, int, int, int, int) ;
然锟结定锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
HANDLE hLibrary ; PFNRECT pfnRectangle ;
锟斤拷锟节斤拷hLibrary锟借定为锟斤拷式锟斤拷锟斤拷牛锟斤拷锟絣pfnRectangle锟借定为Rectangle锟斤拷式锟斤拷位址锟斤拷
hLibrary = LoadLibrary (TEXT ("GDI32.DLL"))
pfnRectangle = (PFNPRECT) GetProcAddress (hLibrary, TEXT ("Rectangle"))
锟斤拷锟斤拷也锟斤拷锟斤拷锟绞斤拷獾碉拷锟斤拷锟斤拷叻锟斤拷锟斤拷锟斤拷锟揭恍╋拷锟斤拷锟絃oadLibrary锟斤拷式锟斤拷锟斤拷NULL锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆猴拷锟叫猴拷式然锟斤拷锟酵放筹拷式锟解：
pfnRectangle (hdc, xLeft, yTop, xRight, yBottom) ; FreeLibrary (hLibrary) ;
锟斤拷锟斤拷锟斤拷锟斤拷执锟斤拷时锟节讹拷态锟斤拷锟斤拷募锟斤拷锟斤拷锟矫伙拷锟轿猂ectangle锟斤拷式锟斤拷锟接讹拷锟矫达拷锟斤拷锟斤拷锟斤拷锟较讹拷锟斤拷锟斤拷锟矫的ｏ拷锟斤拷锟街憋拷锟街达拷锟绞憋拷锟斤拷锟街拷锟斤拷锟绞斤拷锟教拷锟斤拷锟斤拷式锟斤拷模锟斤拷锟斤拷锟斤拷疲锟斤拷锟绞憋拷锟斤拷锟揭癸拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷某锟绞斤拷锟绞癸拷锟斤拷锟絃oadLibrary锟斤拷FreeLibrary锟斤拷式锟斤拷Windows为锟斤拷锟叫的讹拷态锟斤拷锟斤拷锟绞斤拷锟侥ｏ拷锟斤拷峁╋拷锟斤拷锟斤拷眉锟斤拷锟斤拷锟斤拷锟絃oadLibrary使锟斤拷锟矫硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Windows锟斤拷锟斤拷锟轿猴拷使锟斤拷锟剿筹拷式锟斤拷某锟绞绞憋拷锟斤拷锟斤拷眉锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷FreeLibrary使锟斤拷锟矫硷拷锟斤拷锟捷硷拷锟斤拷锟斤拷使锟斤拷锟剿筹拷式锟斤拷某锟绞街达拷锟绞碉拷锟斤拷锟斤拷时也锟斤拷锟斤拷恕锟斤拷锟斤拷锟斤拷眉锟斤拷锟轿拷锟绞憋拷锟絎indows锟斤拷锟接硷拷锟斤拷锟斤拷锟叫把筹拷式锟斤拷删锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷要锟斤拷锟剿★拷
锟斤拷锟斤拷源锟斤拷式锟斤拷
锟斤拷
锟斤拷锟斤拷Windows锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷使锟矫的讹拷态锟斤拷锟斤拷锟绞斤拷锟斤拷械锟斤拷魏魏锟绞斤拷锟斤拷锟斤拷氡伙拷锟斤拷锟斤拷然锟斤拷锟斤拷DLL也锟斤拷锟皆诧拷锟斤拷锟斤拷锟轿猴拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟矫达拷锟紻LL锟斤拷锟阶帮拷锟斤拷什么锟截ｏ拷锟斤拷锟斤拷锟斤拷源锟斤拷
锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷Windows应锟矫筹拷式锟斤拷锟叫癸拷锟斤拷锟斤拷通锟斤拷要锟节筹拷式锟斤拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟叫筹拷锟斤拷源锟斤拷锟斤拷锟斤拷LoadBitmap锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷锟绞癸拷锟斤拷呖锟斤拷锟较ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷椎锟斤拷锟酵硷拷锟矫恳伙拷拙锟斤拷锟斤拷锟斤拷Windows锟斤拷使锟矫的诧拷同锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷同锟阶的碉拷锟斤拷图锟斤拷诺锟斤拷锟酵拷锟斤拷锟斤拷锌锟斤拷锟斤拷锟斤拷锟斤拷堑模锟斤拷锟轿伙拷锟揭拷锟接诧拷锟斤拷媳锟斤拷锟揭伙拷椎锟斤拷锟酵硷拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟斤拷谴锟斤拷锟皆达拷锟斤拷锟斤拷锟�
锟斤拷式21-5说锟斤拷锟斤拷谓锟斤拷锟斤拷锟斤拷锟�9锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷为BITLIB.DLL锟侥达拷锟斤拷源锟斤拷式锟解档锟斤拷锟斤拷BITLIB.RC锟斤拷锟斤拷锟叫筹拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟侥碉拷锟斤拷图锟斤拷锟斤拷锟斤拷为每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷拧锟轿拷私锟斤拷锟紹ITLIB.DLL锟斤拷锟斤拷要9锟斤拷锟斤拷为BITMAP1.BMP锟斤拷BITMAP2.BMP锟饺等的碉拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷使锟矫革拷锟斤拷锟侥癸拷锟斤拷锟斤拷峁╋拷牡锟斤拷锟酵硷拷锟斤拷锟斤拷锟絍isual C++锟叫斤拷锟斤拷锟斤拷些锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷ID锟斤拷1锟斤拷9锟斤拷锟接︼拷锟�
锟斤拷式21-5 BITLIB
BITLIB.C
/*--------------------------------------------------------------
BITLIB.C -- Code entry point for BITLIB dynamic-link library
(c) Charles Petzold, 1998
------------------------------------------------------------------*/
#include <windows.h>
int WINAPI DllMain (HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
{
return TRUE ;
}
BITLIB.RC 锟斤拷摘录锟斤拷 //Microsoft Developer Studio generated resource script. #include "resource.h" #include "afxres.h" ///////////////////////////////////////////////////////////////////////////// // Bitmap 1 BITMAP DISCARDABLE "bitmap1.bmp" 2 BITMAP DISCARDABLE "bitmap2.bmp" 3 BITMAP DISCARDABLE "bitmap3.bmp" 4 BITMAP DISCARDABLE "bitmap4.bmp" 5 BITMAP DISCARDABLE "bitmap5.bmp" 6 BITMAP DISCARDABLE "bitmap6.bmp" 7 BITMAP DISCARDABLE "bitmap7.bmp" 8 BITMAP DISCARDABLE "bitmap8.bmp" 9 BITMAP DISCARDABLE "bitmap9.bmp"
锟斤拷锟斤拷为SHOWBIT锟侥癸拷锟斤拷锟秸硷拷锟叫斤拷锟斤拷BITLIB专锟斤拷锟斤拷锟斤拷锟斤拷为SHOWBIT锟斤拷锟斤拷一锟斤拷专锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷式21-6锟斤拷示锟斤拷SHOWBIT锟斤拷式锟斤拷锟斤拷锟斤拷前锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭笲ITLIB锟斤拷锟斤拷锟絊HOWBIT锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷薪锟斤拷锟揭狟ITLIB.LIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为BITLIB没锟斤拷锟轿猴拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟揭诧拷锟斤拷峤拷锟紹ITLIB.LIB锟斤拷锟斤拷实锟较ｏ拷要锟街憋拷锟斤拷锟铰憋拷锟斤拷BITLIB锟斤拷SHOWBIT锟斤拷锟斤拷锟皆斤拷锟斤拷锟借定锟斤拷锟斤拷一锟斤拷为锟斤拷Active Project锟斤拷然锟斤拷锟斤拷锟斤拷锟铰憋拷锟诫。
SHOWBIT.C锟斤拷BITLIB锟斤拷取锟斤拷锟斤拷图锟斤拷源锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖拷锟斤拷锟绞撅拷锟�
锟斤拷式21-6 SHOWBIT
SHOWBIT.C
/*--------------------------------------------------------------------------
SHOWBIT.C -- Shows bitmaps in BITLIB dynamic-link library
(c) Charles Petzold, 1998
---------------------------------------------------------------------------*/
#include <windows.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName [] = TEXT ("ShowBit") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName,
TEXT ("Show Bitmaps from BITLIB (Press Key)"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
if (!hwnd)
return 0 ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
void DrawBitmap (HDC hdc, int xStart, int yStart, HBITMAP hBitmap)
{
BITMAP bm ;
HDC hMemDC ;
POINT pt ;
hMemDC = CreateCompatibleDC (hdc) ;
SelectObject (hMemDC, hBitmap) ;
GetObject (hBitmap, sizeof (BITMAP), &bm) ;
pt.x = bm.bmWidth ;
pt.y = bm.bmHeight ;
BitBlt (hdc, xStart, yStart, pt.x, pt.y, hMemDC, 0, 0, SRCCOPY) ;
DeleteDC (hMemDC) ;
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HINSTANCE hLibrary ;
static int iCurrent = 1 ;
HBITMAP hBitmap ;
HDC hdc ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
if ((hLibrary = LoadLibrary (TEXT ("BITLIB.DLL"))) == NULL)
{
MessageBox ( hwnd, TEXT ("Can't load BITLIB.DLL."),
szAppName, 0) ;
return -1 ;
}
return 0 ;
case WM_CHAR:
if (hLibrary)
{
iCurrent ++ ;
InvalidateRect (hwnd, NULL, TRUE) ;
}
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
if (hLibrary)
{
hBitmap = LoadBitmap (hLibrary, MAKEINTRESOURCE (iCurrent)) ;
if (!hBitmap)
{
iCurrent = 1 ;
hBitmap = LoadBitmap ( hLibrary,
MAKEINTRESOURCE (iCurrent)) ;
}
if (hBitmap)
{
DrawBitmap (hdc, 0, 0, hBitmap) ;
DeleteObject (hBitmap) ;
}
}
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (hLibrary)
FreeLibrary (hLibrary) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
锟节达拷锟斤拷WM_CREATE讯息锟斤拷锟斤拷锟节间，SHOWBIT锟斤拷锟斤拷锟紹ITLIB.DLL锟侥达拷锟脚ｏ拷
if ((hLibrary = LoadLibrary (TEXT ("BITLIB.DLL"))) == NULL)
锟斤拷锟紹ITLIB.DLL锟斤拷SHOWBIT.EXE锟斤拷锟斤拷同一锟斤拷目录锟斤拷Windows锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟桔的凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絃oadLibrary锟斤拷锟斤拷NULL锟斤拷SHOWBIT锟斤拷示一锟斤拷讯息锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷螅锟斤拷锟絎M_CREATE讯息锟斤拷锟斤拷-1锟斤拷锟解将锟斤拷锟斤拷WinMain锟叫碉拷CreateWindow锟斤拷锟叫达拷锟斤拷NULL锟斤拷锟斤拷锟揭筹拷式锟斤拷止锟斤拷式锟斤拷
SHOWBIT透锟斤拷锟斤拷式锟斤拷锟斤拷藕偷锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟絃oadBitmap锟斤拷锟接讹拷锟矫碉拷一锟斤拷锟斤拷锟斤拷图锟斤拷锟脚ｏ拷
hBitmap = LoadBitmap (hLibrary, MAKEINTRESOURCE (iCurrent)) ;
锟斤拷锟斤拷锟斤拷锟絠Current锟斤拷应锟侥碉拷锟斤拷图锟斤拷效锟斤拷锟斤拷没锟斤拷锟姐够锟侥硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷虼锟揭伙拷锟斤拷锟斤拷锟�
锟节达拷锟斤拷WM_DESTROY讯息时锟斤拷SHOWBIT锟酵放筹拷式锟解：
FreeLibrary (hLibrary) ;
锟斤拷SHOWBIT锟斤拷锟斤拷锟斤拷一锟斤拷执锟斤拷实锟斤拷锟斤拷止时锟斤拷BITLIB.DLL锟斤拷锟斤拷锟矫硷拷锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷锟酵凤拷锟斤拷占锟矫的硷拷锟斤拷锟藉。锟斤拷锟斤拷锟绞碉拷锟斤拷锟酵计拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟揭伙拷旨虻シ锟斤拷锟斤拷锟斤拷锟轿斤拷摹锟酵计拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷芄锟斤拷锟皆わ拷冉锟斤拷锟斤拷牡锟斤拷锟酵硷拷锟斤拷锟斤拷锟絤etafile锟斤拷锟斤拷强锟斤拷metafile锟斤拷锟斤拷锟诫到锟斤拷锟斤拷锟斤拷锟斤拷锟皆癸拷锟斤拷锟斤拷锟斤拷式使锟矫的筹拷式锟斤拷