锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久国产精品二国产精品,国产精品青草久久久久福利99,亚洲AV日韩AV永久无码久久http://www.shnenglu.com/ietj/category/5885.html瑙傛湜錛岀瓑寰呭彧鑳借鍑虹幇鐨勬満浼氱櫧鐧芥簻璧?/description>zh-cnThu, 22 May 2008 08:45:34 GMTThu, 22 May 2008 08:45:34 GMT60- C++璧勬簮閲婃斁 http://www.shnenglu.com/ietj/articles/43781.html涓璺灝?/dc:creator>涓璺灝?/author>Wed, 05 Mar 2008 16:38:00 GMThttp://www.shnenglu.com/ietj/articles/43781.htmlhttp://www.shnenglu.com/ietj/comments/43781.htmlhttp://www.shnenglu.com/ietj/articles/43781.html#Feedback0http://www.shnenglu.com/ietj/comments/commentRss/43781.htmlhttp://www.shnenglu.com/ietj/services/trackbacks/43781.html 瑕佹兂瑙e喅涓婇潰鐨勯棶棰橈紝灝卞繀欏誨疄鐜拌祫婧愮殑鑷姩閲婃斁錛岀被鐨勬瀽鏋勫嚱鏁版濂藉彲浠ユ弧瓚蟲瑕佹眰錛屽氨璞℃爣鍑嗗簱涓櫤鑳芥寚閽堝氨鏄繖涔堝疄鐜扮殑錛屼絾闂鍦ㄤ簬鎴戜滑鐨勫弬鏁頒釜鏁幫紝鍙傛暟綾誨瀷鐨勪笉紜畾鎬с傝櫧鐒墮噸杞藉拰妯℃澘鍙互瑙e喅姝ら棶棰?榪欎篃鏄垜鍦ㄧ綉涓婄湅鍒扮殑瑙e喅鏂規硶)錛屼絾妯℃澘綾葷殑鍙傛暟涓嶅叿澶囪嚜鍔ㄦ帹瀵艱兘鍔涳紙緇忎紶鍏ユ垚鍛樺嚱鏁板弬鏁板兼帹瀵煎嚭妯℃澘鍙傛暟綾誨瀷錛夛紝鑰屼笖榪囧鐨勬ā鏉垮亸鐗瑰寲涔熶笉鏄垜鎵鎿呴暱鐨勶紝鏈涓昏鏄唬鐮佺殑縐繪鎬ф棤娉曚繚璇併?br> 鏈枃涓昏鍒╃敤鐨刡oost涓殑bind搴擄紝瑙夊緱浠垮嚱鏁扮殑鍔熻兘璺熻嚜宸卞綋鍓嶇殑闇姹備笉榪滀簡錛屽洜涓哄畠浠殑鍏卞悓鐐規湁:
1. 鍙互鎺ユ敹浠繪剰澶氫釜妯℃澘鍙傛暟(娌℃湁鍏蜂綋楠岃瘉錛岃嚦灝戞槸9涓惂),
2. 鍙互鍒╃敤鍑芥暟瀵規ā鏉垮弬鏁扮被鍨嬬殑鎺ㄥ鑳藉姏錛岀渷鍘諱簡鍙傛暟綾誨瀷鐨勬寚瀹氥?br>鍞竴涓嶅悓鐨勬槸bind鍚庣殑浠垮嚱鏁版槸绔嬪嵆鎵ц錛屼笉鑳藉叿鏈夌被鐨勬瀽鏋勫嚱鏁拌嚜鍔ㄦ墽琛岀殑浼樼偣銆傜洰鍓嶉渶瑕佽В鍐崇殑闂鏄帹榪熸墽琛屾湡錛屼篃鏃㈡妸operator()鍑芥暟縐誨埌鏋愭瀯鍑芥暟涓墽琛岋紝榪欏氨闇瑕佷繚瀛榖oost::bind(....)榪斿洖鐨勫璞★紝閫氳繃綾葷殑鏋勯犲嚱鏁板幓淇濆瓨錛岀劧鍚庡湪鏋愭瀯鍑芥暟涓墽琛宱perator()灝卞彲浠ヤ簡銆?br> 鎬濊礬鏄嚭鏉ヤ簡錛屼絾闂鏄痓oost::bind(...)鍑芥暟榪斿洖鐨勭被鍨嬩笉紜畾錛屽璞¢氳繃綾繪ā鏉挎槸鍙互淇濆瓨錛屼絾綾繪病鏈夎嚜鍔ㄦ帹瀵艱兘鍔涳紝榪樻槸鏃犳硶瀹炵幇錛岃繖閲屾垜灝卞埄鐢ㄤ簡boost::any鐨勫師鐞嗭紝姝eソ瑙e喅浜嗘闂錛岃屼笖瀹冧篃鍙互鐢ㄤ簬鍑芥暟鐨勫歡榪熸墽琛屻傝瑙佷互涓嬩嬌鐢ㄦ柟娉曪細
姝ラ1錛?瀹炵幇綾諱技浜巄oost:;any鐨勭被錛屼富瑕佸畬鎴愯祫婧愮殑鑷姩閲婃斁銆傚疄鐜板涓?
//SrcRelease.h澶存枃浠?br>#ifndef _SRCRELEASE_INC_
#define _SRCRELEASE_INC_
class CSrcRelease
{
public:
template<typename T>
CSrcRelease(const T & value)
: m_pHelder(new Helder<T>(value))
{
}
~CSrcRelease()
{
delete m_pHelder;
}
private:
class IHelder
{
public:
virtual ~IHelder() {}
};
template<typename T>
class Helder : public IHelder
{
public:
Helder(const T & value)
: held(value)
{
}
~Helder()
{
held();
}
public: // representation
T held;
};
IHelder* m_pHelder;
};
#endif //_SRCRELEASE_INC_
姝ラ2錛?涓嬭澆boost搴擄紝鍥犱負鍙敤鍒頒簡boost::bind搴擄紝鎵浠ユ棤闇緙栬瘧. 灝嗗ご鏂囦歡鐩綍鍔犲叆vs2005涓?br>姝ラ3錛?瀹㈡埛绔皟鐢?br>//main.cpp
#include "SrcRelease.h"
#include <iostream>
#include <Windows.h>
#include <boost/bind.hpp>
#include <cassert>
void _stdcall InvokeStr(const char* szValue)
{
std::cout<<szValue<<std::endl;
}
bool _stdcall InvokeStr(const char* szValue, int a, int b)
{
std::cout<<szValue<<"\ta: "<<a<<"\tb: "<<b<<std::endl;
return true;
}
int main()
{
//鐢變簬API閮芥槸_stdcall璋冪敤錛岃寁s2005鐜閮芥槸榛樿_cdecl錛屾墍浠ラ渶瑕佷慨鏀箆s2005鐜
HBITMAP hBitmap=reinterpret_cast<HBITMAP>(LoadImage(NULL, L"test.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE));
assert(hBitmap!=NULL);
CSrcRelease aBitmapRelease(boost::bind(&DeleteObject, hBitmap));
std::cout<<"Invoke Outer Before"<<std::endl;
CSrcRelease aRelease(boost::bind(&InvokeStr, "Invoke Outer After", 8, 5));
{
std::cout<<"Invoke Inner Before"<<std::endl;
CSrcRelease aRelease(boost::bind(&InvokeStr, "Invoke Inner After"));
std::cout<<"Invoke Inner Middle"<<std::endl;
}
std::cout<<"Invoke Outer Middle"<<std::endl;
return 0;
}
浠ヤ笂浠g爜鍦╳inxp+vs2005涓嬫祴璇曢氳繃錛屽鏈夌枒闂紝嬈㈣繋鑱旂郴: ietj@mail.china.com
鍝撴湀鍒
2008.3.5

]]>
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