自学教程：C++ ASSERT_KINDOF函数代码示例

// walk up two parents for MDIFrame that owns MDIChild (skip MDIClient)CMDIFrameWnd* CMDIChildWnd::GetMDIFrame(){	ASSERT_KINDOF(CMDIChildWnd, this);	ASSERT(m_hWnd != NULL);	HWND hWndMDIClient = ::GetParent(m_hWnd);	ASSERT(hWndMDIClient != NULL);	CMDIFrameWnd* pMDIFrame;	pMDIFrame = (CMDIFrameWnd*)CWnd::FromHandle(::GetParent(hWndMDIClient));	ASSERT(pMDIFrame != NULL);	ASSERT_KINDOF(CMDIFrameWnd, pMDIFrame);	ASSERT(pMDIFrame->m_hWndMDIClient == hWndMDIClient);	ASSERT_VALID(pMDIFrame);	return pMDIFrame;}

void CLibraryMetaPanel::OnLButtonUp(UINT nFlags, CPoint point){	point.y += GetScrollPos( SB_VERT );	if ( m_nSelected > 0 && m_rcFolder.PtInRect( point ) )	{		CQuickLock oLock( Library.m_pSection );		if ( CLibraryFolder* pFolder = LibraryFolders.GetFolder( m_sFolder ) )		{			if ( Settings.Library.ShowVirtual )			{				CLibraryFrame* pFrame = (CLibraryFrame*)GetOwner();				ASSERT_KINDOF(CLibraryFrame, pFrame );				pFrame->Display( pFolder );			}			else if ( LibraryFolders.CheckFolder( pFolder, TRUE ) )			{				ShellExecute( AfxGetMainWnd()->GetSafeHwnd(), NULL,					m_sFolder, NULL, NULL, SW_SHOWNORMAL );			}		}	}	else if ( m_nSelected > 0 && m_rcRating.PtInRect( point ) )	{		CLibraryListPtr pList( GetViewSelection() );		if ( pList && pList->GetCount() > 0 )		{			CFilePropertiesSheet dlg;			dlg.Add( pList );			dlg.DoModal( 2 );		}	}	else if ( CMetaItem* pItem = m_pMetadata->HitTest( point, TRUE ) )	{		CQuickLock oLock( Library.m_pSection );		if ( CAlbumFolder* pFolder = pItem->GetLinkTarget() )		{			CLibraryFrame* pFrame = (CLibraryFrame*)GetOwner();			ASSERT_KINDOF(CLibraryFrame, pFrame );			pFrame->Display( pFolder );		}	}	CPanelCtrl::OnLButtonUp( nFlags, point );}

BOOL CChildFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext){	ASSERT(pContext != NULL && pContext->m_pNewViewClass != NULL);	if (!splitter_.CreateStatic(this, 1, 5))	{		AfxMessageBox("Failed to create splitter.");		return FALSE;	}	// We create with 5 columns then delete all except one, which means only one (for	// hex view) is shown but 4 more can be added (template, aerial, preview and compare views).	splitter_.DelColumn(4);	splitter_.DelColumn(3);	splitter_.DelColumn(2);	splitter_.DelColumn(1);	if (!splitter_.CreateView(0, 0, RUNTIME_CLASS(CHexTabView), CSize(0, 0), pContext))	{		AfxMessageBox("Failed to create splitter view.");		return FALSE;	}	ptv_ = (CHexTabView *)splitter_.GetPane(0, 0);	ASSERT_KINDOF(CHexTabView, ptv_);	return TRUE;}

STDMETHODIMP COleUILinkInfo::UpdateLink(	DWORD dwLink, BOOL /*fErrorMessage*/, BOOL /*fErrorAction*/){	COleClientItem* pItem = (COleClientItem*)dwLink;	ASSERT_VALID(pItem);	ASSERT_KINDOF(COleClientItem, pItem);	SCODE sc;	TRY	{		// link not up-to-date, attempt to update it		if (!pItem->UpdateLink())			AfxThrowOleException(pItem->GetLastStatus());		pItem->m_bLinkUnavail = FALSE;		sc = S_OK;	}	CATCH_ALL(e)	{		pItem->m_bLinkUnavail = TRUE;		sc = COleException::Process(e);		pItem->ReportError(sc);		DELETE_EXCEPTION(e);	}	END_CATCH_ALL	return sc;}

//////////////////// Handle WM_NCACTIVATE for main window//BOOL CCaptionPainter::OnNcActivate(BOOL bActive){	ASSERT_VALID(m_pParentDlg);	CDialog& dlg = *((CDialog*)m_pParentDlg);	ASSERT_KINDOF(CDialog, &dlg);/*	// Turn WS_VISIBLE off before calling DefWindowProc,	// so DefWindowProc won't paint and thereby cause flicker.	//	DWORD dwStyle = dlg.GetStyle();	if (dwStyle & WS_VISIBLE)		::SetWindowLong(dlg, GWL_STYLE, (dwStyle & ~ WS_VISIBLE));	MSG& msg = AfxGetThreadState()->m_lastSentMsg;	msg.wParam = bActive;	Default();	if (dwStyle & WS_VISIBLE)		::SetWindowLong(frame, GWL_STYLE, dwStyle);*/	// At this point, nothing has happened (since WS_VISIBLE was off).	// Now it's time to paint.	//	m_bActive = bActive;					// update state	dlg.SendMessage(WM_NCPAINT);	// paint non-client area (frame too)	return TRUE;							// done OK}

LRESULT COleIPFrameWnd::OnResizeChild(WPARAM, LPARAM lParam){	// notify the container that the rectangle has changed!	COleServerDoc* pDoc = (COleServerDoc*)GetActiveDocument();	if (pDoc == NULL)		return 0;	ASSERT_KINDOF(COleServerDoc, pDoc);	// get new rect and parent	CRect rectNew;	rectNew.CopyRect((LPCRECT)lParam);	CWnd* pParentWnd = GetParent();	ASSERT_VALID(pParentWnd);	// convert rectNew relative to pParentWnd	ClientToScreen(&rectNew);	pParentWnd->ScreenToClient(&rectNew);	// adjust the new rectangle for the current control bars	CWnd* pLeftOver = GetDlgItem(AFX_IDW_PANE_FIRST);	ASSERT(pLeftOver != NULL);	CRect rectCur = m_rectPos;	pLeftOver->CalcWindowRect(&rectCur, CWnd::adjustOutside);	rectNew.left += m_rectPos.left - rectCur.left;	rectNew.top += m_rectPos.top - rectCur.top;	rectNew.right -= rectCur.right - m_rectPos.right;	rectNew.bottom -= rectCur.bottom - m_rectPos.bottom;	OnRequestPositionChange(rectNew);	return 0;}

BOOL CGlobalObj::bOpenFunctioneditorfile(CString omStrNewCFileName){    BOOL bFileFound = TRUE;    CFunctionEditorDoc* pDoc = CFunctionEditorBase::pCreateNewDocument(m_eBus);    // file-attribute information    if (pDoc != nullptr)    {        CEditFrameWnd::sm_eBus = m_eBus;        struct _tfinddata_t fileinfo;        // Check if file exists        if (_tfindfirst( omStrNewCFileName.GetBuffer(MAX_PATH), &fileinfo) == -1L)        {            bFileFound = pDoc->bCreateNewDocument(omStrNewCFileName);        }        if (bFileFound == TRUE)        {            //// Now open the selected file            pDoc->OnOpenDocument(omStrNewCFileName);            CMultiDocTemplate* pTemplate = m_pEditorDocTemplate;            m_pEditFrameWnd = (CEditFrameWnd*)(pTemplate->CreateNewFrame(pDoc, nullptr));            //If null is passed as parameter the m_pdoc->GetNextView(pos)  will            // give null value            if (m_pEditFrameWnd != nullptr)            {                ASSERT_KINDOF(CEditFrameWnd, m_pEditFrameWnd);                pTemplate->InitialUpdateFrame(m_pEditFrameWnd, /*nullptr*/pDoc);            }        }    }    return bFileFound;}

void CBasePropertySheet::AddPage(CPropertyPage* pPage){	ASSERT_VALID(this);	ASSERT(pPage != NULL);	ASSERT_KINDOF(CPropertyPage, pPage);	ASSERT_VALID(pPage);	// add page to internal list	m_pages.Add(pPage);	// add page externally	if (m_hWnd != NULL)	{		// build new prop page array		AFX_OLDPROPSHEETPAGE *ppsp = new AFX_OLDPROPSHEETPAGE[m_pages.GetSize()];		memcpy(ppsp, m_psh.ppsp, sizeof(AFX_OLDPROPSHEETPAGE) * (m_pages.GetSize()-1));		delete[] (PROPSHEETPAGE*)m_psh.ppsp;		m_psh.ppsp = (PROPSHEETPAGE*)ppsp;		ppsp += m_pages.GetSize()-1;		// copy processed PROPSHEETPAGE struct to end		memcpy(ppsp, &pPage->m_psp, sizeof(pPage->m_psp));//		pPage->PreProcessPageTemplate((PROPSHEETPAGE&)*ppsp, IsWizard());		CPropertyPage_PreProcessPageTemplate((_CCPropertyPage*)pPage, (PROPSHEETPAGE&)*ppsp, IsWizard());		HPROPSHEETPAGE hPSP = CreatePropertySheetPage((PROPSHEETPAGE*)ppsp);		if (hPSP == NULL)			AfxThrowMemoryException();		if (!SendMessage(PSM_ADDPAGE, 0, (LPARAM)hPSP))		{			DestroyPropertySheetPage(hPSP);			AfxThrowMemoryException();		}	}}

CBenubirdAutoProxy::CBenubirdAutoProxy(){	g_strDBG.Empty();	g_strDBG.Format(_T("------------------------------------- start AutoProxy  %X"),this);	OutputDebugString(g_strDBG);	EnableAutomation();		// To keep the application running as long as an automation 	//	object is active, the constructor calls AfxOleLockApp.	AfxOleLockApp();	// Get access to the dialog through the application's	//  main window pointer.  Set the proxy's internal pointer	//  to point to the dialog, and set the dialog's back pointer to	//  this proxy.	ASSERT_VALID(AfxGetApp()->m_pMainWnd);	if (AfxGetApp()->m_pMainWnd)	{		ASSERT_KINDOF(CMainFrame, AfxGetApp()->m_pMainWnd);		if (AfxGetApp()->m_pMainWnd->IsKindOf(RUNTIME_CLASS(CMainFrame)))		{			m_pDialog = reinterpret_cast<CMainFrame*>(AfxGetApp()->m_pMainWnd);			m_pDialog->m_pAutoProxy = this;		}	}}

void CListViewWalkerPropertySheet::InsertPage(int iIndex, CPropertyPage* pPage){    ASSERT_VALID( this );    ASSERT( pPage != NULL );    ASSERT_KINDOF( CPropertyPage, pPage );    ASSERT_VALID( pPage );    m_pages.InsertAt(iIndex, pPage);    BuildPropPageArray();    if (m_hWnd != NULL)    {        PROPSHEETPAGE* ppsp = const_cast<PROPSHEETPAGE*>(m_psh.ppsp);        for (UINT i = 0; i < m_psh.nPages; i++) {            if (i == (UINT)iIndex)                break;            (BYTE*&)ppsp += ppsp->dwSize;        }        HPROPSHEETPAGE hPSP = CreatePropertySheetPage(ppsp);        if (hPSP == NULL)            AfxThrowMemoryException();        if (!SendMessage(PSM_INSERTPAGE, iIndex, (LPARAM)hPSP)) {            DestroyPropertySheetPage(hPSP);            AfxThrowMemoryException();        }    }}

void CServerDoc::OnSetItemRects(LPCRECT lpPosRect, LPCRECT lpClipRect){	// get first view of document	POSITION pos = GetFirstViewPosition();	ASSERT(pos != NULL);	CServerView* pView = (CServerView*)GetNextView(pos);	ASSERT_KINDOF(CServerView, pView);	ASSERT_VALID(pView);	CSize sizeNum(lpPosRect->right - lpPosRect->left,		lpPosRect->bottom - lpPosRect->top);	// for denom -- get extent in device	// create a view dc	CServerDC dc(pView);	// set zoom to 100%	dc.SetViewportExt(CSize(1,1));	dc.SetWindowExt(CSize(1,1));	// get extents in device	CSize sizeDenom = pView->CalcActualItemSize(m_pRoot, &dc);	// notify first view of potential zoom factor change!	pView->SetZoomFactor(sizeNum, sizeDenom);	// resize the window	COleServerDoc::OnSetItemRects(lpPosRect, lpClipRect);	// set scrollbar state (if necessary)	pView->SetScrollInfo();}

/////////////////////////////////////////////////////////////////////////////// CNewProjectEndPage message handlersBOOL CNewProjectEndPage::OnSetActive(){	CPropertySheet* pSheet = (CPropertySheet*)GetParent();	ASSERT_KINDOF(CPropertySheet, pSheet);	pSheet->SetWizardButtons(PSWIZB_FINISH);	return CPropertyPageEx::OnSetActive();}

void CDrawObj::Serialize(CArchive& ar){	CObject::Serialize(ar);	if (ar.IsStoring())	{		ar << m_position;		ar << (WORD)m_bPen;		ar.Write(&m_logpen, sizeof(LOGPEN));		ar << (WORD)m_bBrush;		ar.Write(&m_logbrush, sizeof(LOGBRUSH));	}	else	{		// get the document back pointer from the archive		m_pDocument = (CDrawDoc*)ar.m_pDocument;		ASSERT_VALID(m_pDocument);		ASSERT_KINDOF(CDrawDoc, m_pDocument);		WORD wTemp;		ar >> m_position;		ar >> wTemp; m_bPen = (BOOL)wTemp;		ar.Read(&m_logpen,sizeof(LOGPEN));		ar >> wTemp; m_bBrush = (BOOL)wTemp;		ar.Read(&m_logbrush, sizeof(LOGBRUSH));	}}

BOOL CBCGPDropDownToolBar::OnSendCommand(const CBCGPToolbarButton* pButton){	ASSERT_VALID (pButton);		if ((pButton->m_nStyle & TBBS_DISABLED) != 0 ||		pButton->m_nID == 0 || pButton->m_nID == (UINT)-1)	{		return FALSE;	}		CBCGPDropDownFrame* pParent = (CBCGPDropDownFrame*)GetParent();	ASSERT_KINDOF(CBCGPDropDownFrame, pParent);		pParent->m_pParentBtn->SetDefaultCommand (pButton->m_nID);		//----------------------------------	// Send command to the parent frame:	//----------------------------------	CFrameWnd* pParentFrame = GetParentFrame ();	ASSERT_VALID (pParentFrame);		GetOwner()->PostMessage(WM_COMMAND, pButton->m_nID);	pParentFrame->DestroyWindow ();	return TRUE;}

BOOL CLicenseDlg::OnSetActive(){    if (!CheckWindowsVersion()) {        CPropertyPage::EndDialog(IDCANCEL);    }    CPropertySheet* pSheet = (CPropertySheet*)GetParent();    ASSERT_KINDOF(CPropertySheet, pSheet);    if (m_FirstTime) {        m_FirstTime = FALSE;        //  Disable everything until the user scrolls the license text        CButton *radio_all = (CButton *) GetDlgItem(IDC_DISAGREE);        radio_all->SetCheck(1);        CButton *understand = (CButton *) GetDlgItem(IDC_UNDERSTAND);        understand->SetCheck(BST_UNCHECKED);        OnUnderstand();        understand->EnableWindow(FALSE);        pSheet->SetWizardButtons(0);        UpdateData(FALSE); // write to screen    } else {        pSheet->SetWizardButtons(PSWIZB_NEXT);    }    return CPropertyPage::OnSetActive();}

LRESULT CDibView::OnDoRealize(WPARAM wParam, LPARAM){	ASSERT(wParam != NULL);	CDibDoc* pDoc = GetDocument();	if (pDoc->GetHDIB() == NULL)		return 0L;  // must be a new document	CPalette* pPal = pDoc->GetDocPalette();	if (pPal != NULL)	{		CMainFrame* pAppFrame = (CMainFrame*) AfxGetApp()->m_pMainWnd;		ASSERT_KINDOF(CMainFrame, pAppFrame);		CClientDC appDC(pAppFrame);		// All views but one should be a background palette.		// wParam contains a handle to the active view, so the SelectPalette		// bForceBackground flag is FALSE only if wParam == m_hWnd (this view)		CPalette* oldPalette = appDC.SelectPalette(pPal, ((HWND)wParam) != m_hWnd);		if (oldPalette != NULL)		{			UINT nColorsChanged = appDC.RealizePalette();			if (nColorsChanged > 0)				pDoc->UpdateAllViews(NULL);			appDC.SelectPalette(oldPalette, TRUE);		}		else		{			TRACE0("/tSelectPalette failed in CDibView::OnPaletteChanged/n");		}	}	return 0L;}

UINT CThread::ThreadProc(LPVOID pObject){	ASSERT(pObject);	ASSERT_KINDOF(CThread, (CObject *)pObject);	CThread *pThread = (CThread *)pObject;	// initialisieren, ausführen, aufr
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