有内存泄漏怎么办????CTypedPtrList *m_pPipeLineList;

aicai 2002-05-09 01:19:30
void CTPRelationView::CreatePipeLineArray()
{
CTypedPtrList<CObList,CTPPipeLine*> &List = pDoc->m_pPipeLine ;
m_pPipeLineList = &List ;
for( int i = 0 ; i < 10 ; i ++ )
{
CTPPipeLine* pPipeLineItem = new CTPPipeLine();
pPipeLineItem->nID = i ;
m_pPipeLineList->AddTail( pPipeLineItem );
}
}

void CTPRelationDoc::DeleteContents()
{
while( !m_pPipeLine.IsEmpty() )
{
delete m_pPipeLine.RemoveHead() ;
}
CDocument::DeleteContents();
}
为什么还有内存泄漏?????
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dyw 2002-05-14
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由于声明是指针
CTypedPtrList<CObList,CTPPipeLine*> *m_pPipeLineList;
必须使用delete来释放:
delete m_pPipeLineList;
aicai 2002-05-09
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啊哟,大家多多参与!!!

那么,请问在视中生成的对象,能否在文档中delete ????
hww02 2002-05-09
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for( int i = 0 ; i < 10 ; i ++ )
{
CTPPipeLine* pPipeLineItem = new CTPPipeLine(); //new CTPPipeLine;
pPipeLineItem->nID = i ;
m_pPipeLineList->AddTail( pPipeLineItem );
}
yu_hl 2002-05-09
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这里怎么会有问题?

有查看其他地方吗?
aicai 2002-05-09
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CTypedPtrList<CObList,CTPPipeLine*> &List = pDoc->m_pPipeLine ;
m_pPipeLineList = &List ;

这个地方似乎有点问题。

那请问该如何解决呢???
aicai 2002-05-09
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CTypedPtrList<CObList,CTPPipeLine*> &List
仅仅是用来转化用的!!!
zxs218 2002-05-09
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CTypedPtrList<CObList,CTPPipeLine*> &List = pDoc->m_pPipeLine ;
m_pPipeLineList = &List ;

这个地方似乎有点问题。
aicai 2002-05-09
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其实是这样的:::
.h文件
class CTPRelationView : public CView
{
public:
CTypedPtrList<CObList,CTPPipeLine*> *m_pPipeLineList;
void OnExplodeplAnalyze();
void CreatePipeLineArray();
}
.cpp文件

void CTPRelationView::CreatePipeLineArray()
{
for( int i = 0 ; i < 10 ; i ++ )
{
CTPPipeLine* pPipeLineItem = new CTPPipeLine();
pPipeLineItem->nID = i ;
m_pPipeLineList->AddTail( pPipeLineItem );
}
}
void CTPRelationView::OnExplodeplAnalyze()
{
// TODO: Add your command handler code here
CTPRelationDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
CTypedPtrList<CObList,CTPPipeLine*> &List = pDoc->m_pPipeLine ;
m_pPipeLineList = &List ;
CreatePipeLineArray();
}


void CTPRelationDoc::DeleteContents()
{
while( !m_pPipeLine.IsEmpty() )
{
delete m_pPipeLine.RemoveHead() ;
}
CDocument::DeleteContents();
}
为什么还有内存泄漏?????
dyw 2002-05-09
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//typedef CTypedPtrList<CObList, CMyObject*> CMyList;
//CMyList ml;

while (!ml.IsEmpty())
{
delete ml.GetHead();
ml.RemoveHead();
}
yu_hl 2002-05-09
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List是引用变量啊,呵呵.
wuchunzhong 2002-05-09
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void CTPRelationView::CreatePipeLineArray()
{
CTypedPtrList<CObList,CTPPipeLine*> &List = pDoc->m_pPipeLine ;
m_pPipeLineList = &List ;
for( int i = 0 ; i < 10 ; i ++ )
{
CTPPipeLine* pPipeLineItem = new CTPPipeLine();
pPipeLineItem->nID = i ;
m_pPipeLineList->AddTail( pPipeLineItem );
}
}
函数有问题,因为List变量的生命周期是在函数内,所以这儿是直接导致在函数DeleteContents()中释放不掉的原因!这儿可以使用m_pPipeLineList = new CTypedPtrList<CObList,CTPPipeLine*>;或者把m_pPipeLineList声明成CTypedPtrList<CObList,CTPPipeLine*>类型变量而非CTypedPtrList<CObList,CTPPipeLine*>*指针类型变量!
aicai 2002-05-09
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我不能在CreatePipeLineArray()
中delete ;因为创建以后要用!!!!
yu_hl 2002-05-09
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是否还有其他地方?比如CTPPipeLine没有释放资源?
super_xxx 2002-05-09
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逐个
delete pPipeLineItem
// FTPServer.h: interface for the CFTPServer class. // ////////////////////////////////////////////////////////////////////// #if !defined(AFX_FTPSERVER_H__144E8B64_2004_4709_B55A_242FE5F07BD2__INCLUDED_) #define AFX_FTPSERVER_H__144E8B64_2004_4709_B55A_242FE5F07BD2__INCLUDED_ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 #include "ConnectThread.h" #include "ListenSocket.h" #include "FTPEventSink.h" #include "UserManager.h" #include "SecurityManager.h" class CFTPServer : public CWnd { friend CConnectSocket; public: void SetGoodbyeMessage(LPCTSTR lpszText); void SetWelcomeMessage(LPCTSTR lpszText); void SetTimeout(int nValue); void SetPort(int nValue); void SetMaxUsers(int nValue); void SetStatisticsInterval(int nValue); BOOL IsActive(); void Stop(); BOOL Start(); CFTPServer(); virtual ~CFTPServer(); CUserManager m_UserManager; CSecurityManager m_SecurityManager; CCriticalSection m_CriticalSection; // list of thread pointers CTypedPtrList<CObList, CConnectThread*> m_ThreadList; int GetPort() { return m_nPort; }; int GetMaxUsers() { return m_nMaxUsers; } int GetTimeout() { return m_nTimeout; } int GetConnectionCount() { return m_nConnectionCount; } CString GetWelcomeMessage() { return m_strWelcomeMessage; }; CString GetGoodbyeMessage() { return m_strGoodbyeMessage; }; void AddTraceLine(int nType, LPCTSTR pstrFormat, ...); private: // socket member that listens for new connections CListenSocket m_ListenSocket; CFTPEventSink *m_pEventSink; int m_nPort; int m_nMaxUsers; CString m_strWelcomeMessage; CString m_strGoodbyeMessage; int m_nTimeout; BOOL m_bRunning; // statistics DWORD m_dwTotalReceivedBytes; DWORD m_dwTotalSentBytes; int m_nConnectionCount; int m_nTotalConnections; int m_nFilesDownloaded; int m_nFilesUploaded; int m_nFailedDownloads; int m_nFailedUploads; // Operations public: BOOL IsIPAddressAllowed(LPCTSTR lpszIPAddress); void SetSecurityMode(BOOL bBlockSpecific = TRUE); BOOL CheckMaxUsers(); void Initialize(CFTPEventSink *pEventSink); // Overrides // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CFTPServer) //}}AFX_VIRTUAL // Generated message map functions protected: int m_nSecurityMode; int m_nStatisticsInterval; //{{AFX_MSG(CFTPServer) afx_msg void OnTimer(UINT nIDEvent); //}}AFX_MSG LRESULT OnThreadClose(WPARAM wParam, LPARAM lParam); LRESULT OnThreadStart(WPARAM wParam, LPARAM); LRESULT OnThreadMessage(WPARAM wParam, LPARAM lParam); DECLARE_MESSAGE_MAP() }; #endif // !defined(AFX_FTPSERVER_H__144E8B64_2004_4709_B55A_242FE5F07BD2__INCLUDED_)
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That is to say, you can write data in it. (31KB)182,switchmdiviews.zipThis sample shows you how to switch from one view to the other in a MDI splitter window application(31KB) 183,yqmdireplaceview.zipThis sample shows you how to replace different views in a MDI splitter window application(36KB) 184,switchview.zipThis sample shows you how to switch from one MDI window to another by using the "Ctrl Tab" key.(29KB) 185,filterreturnkey.zipThis sample shows you how to trap, filter the ENTER and ESCAPE key of a dialog box (17KB)186,filterkey.zipThis sample shows you how to filter a certain key and mask that key(18KB)187,editenter.zipThis sample shows you how to use RETURN key to switch among edit controls of a dialog box(18KB)188,dialoghook.zipThis sample shows you how to set keyboard hook function of a dialog box to trap RETURN ,ESCAPE key.(17KB) 189,contexthelp.zipThis sample shows you how to create context sensitive help of a control of a dialog box(26KB) 190,traparrokey.zipThis sample describes how to trap arrow keys in an control of a dialog box (18KB)191,yqadvancedbtn.zipOwner draw hot button support both bitmap and icon, with flat, gripper property. (108KB)192,drawlistbo.zipOwner draw CTabCtrl with flat gripper property (40KB)193,startupanimation.zipCreate Window startup animation, including several kind of animation style, very interesting(23KB) 194,flatlistbox.zipusing a unique way to implement flat attribute( other than those published on the codegurn), as well as hot ,gripper attribute.(21KB) 195,yqhoteditctrl.zipCreate edit control with Hot , flat, gripper. separator attributes (21KB)196,3dmdishadow.zipCreate 3D shadow of a MDI frame windows(32KB) 197,3dsdishadow.zipCreate 3D shadow of a SDI frame windows(29KB)198,getfile.zipA DDX routine for MFC to retrieve filenames(29KB)199,splasher.zipAn improved splash screen component for MFC(62KB)200,pushpin.zipA pushpin button MFC class(12KB)201,getfolder.zipA DDX routine for MFC to retrieve folders(30KB)202,ntray.zipAn MFC class to manipulate tray icons(17KB)203,hlinkctrl.zipAn MFC class to support hyperlinks on windows and dialogs(16KB)204,icondialog.zipAn icon selection dialog class for MFC(12KB)205,pushpinframe.zipAn MFC class to provide property dialogs ala Developer Studio(16KB)206,mappin.zipAn MFC class to implement map pins(286KB)207,iconcombobox.zip2 MFC classes to implement icon selection combo boxes(19KB)208,menuex_demo.zipImplementing an Ownerdrawn menu (35KB)209,bcmenu261.zipCool Owner Drawn Menus with BitmapsVersion 2.61(70KB)210,dynmenu.zipSome handy functions for adding and deleting submenus and menuitems in runtime (16KB)211,gradientmenu.zipCreate Popup menus in MFC with a gradient and text on the left side (89KB)212,menuicon_demo.zipGive your apps a unique look by adding a logo to your menu(48KB)213,bcgbappwizard.zipBCGControlBar library version 4.6(2121KB)214,mpcstatusbar.zipAn enhanced CStatusBar to easily and dynamically add/remove controls on a status bar (48KB)215,textonlystatusbar.zipAn easy to use and implement Text Only Status Bar with Tool tip text extracted from the status bar panes. (39KB)216,progressbar.zipShowing progress bar in a status bar pane(33KB)217,sizecbar_src.zipDevStudio-like docking window (64KB)218,sizing_tabct1_demo.zipCreates a dockable and resizable control bar. (46KB)219,dockview.zipA fairly simple way to incoporate views into sizing control bars(69KB)220,spin_slide_toolbar.zipHow to create toolbars with spinners and/or sliders(48KB)221,tearoffrebars_prj.zipThis article Implements the functionality similar to the Office 2000 toolbars(26KB)222,flatbar.zipA flat toolbar implementation that does not require the updated common controls library from Internet Explorer. (197KB)223,toolbar_droparrow_demo.zipDemonstrates how to use the new toolbar styles to add dropdown arrows to toolbar buttons (28KB)224,dynamictb.zipA simple tutorial that shows how to dynamically replace toolbars at runtime (35KB)225,toolbar_docking_demo.zipDemonstrates how to dock toolbars side-by-side (29KB)226,tapetoolbar.zipA spectacular variation on toolbars (35KB)227,chevions.zipAn introduction to using the cool new toolbar chevrons (18KB)228,toolgroupmanager.zipA reusable template class for managing multiple toolbars, only one of which is displayed at a time(30KB)229,toolbar_hotbuttons_demo.zipDemonstrates how to add rollover buttons to your toolbar(30KB)230,toolbar.zipWTL Tool Bar Drop-Down Extension(64KB)231,win95asm.zipIntroduction to Menus(113KB)232,outbar.zipCGfxOutBarCtrl, an Outlook98 bar-like control(163KB)233,tabstatus.zipAdvanced UI - MDI list in the status bar (and a custom Window List dialog)(62KB)234,gfxlist.zipList Control - Enhanced list control(1544KB)235,maillook.zipInternet Mail Look(42KB)236,cdxcdynamic.zipDynamic child window repositioning for dialogs, property sheets, form views and any other CWnd derived classes. (227KB)237,voicecmd.zipVoice Command Enabling Your Software (27KB)238,cj60lib.zipMFC Extension Library - CJ60 Version 6.07(1100KB)239,infobar.zipInformation Bar (62KB)240,switcher.zipA Switcher Control (like the Windows Task Bar) (40KB)

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        VC/MFC社区版块或许是CSDN最“古老”的版块了,记忆之中,与CSDN的年龄几乎差不多。随着时间的推移,MFC技术渐渐的偏离了开发主流,若干年之后的今天,当我们面对着微软的这个经典之笔,内心充满着敬意,那些曾经的记忆,可以说代表着二十年前曾经的辉煌……
        向经典致敬,或许是老一代程序员内心里面难以释怀的感受。互联网大行其道的今天,我们期待着MFC技术能够恢复其曾经的辉煌,或许这个期待会永远成为一种“梦想”,或许一切皆有可能……
        我们希望这个版块可以很好的适配Web时代,期待更好的互联网技术能够使得MFC技术框架得以重现活力,……

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