自学教程：C++ EndWaitCursor函数代码示例

bool CModDoc::PasteEnvelope(INSTRUMENTINDEX nIns, EnvelopeType nEnv)//----------------------------------------------------------------------{	CMainFrame *pMainFrm = CMainFrame::GetMainFrame();	if (nIns < 1 || nIns > m_SndFile.m_nInstruments || !m_SndFile.Instruments[nIns] || !pMainFrm) return false;	BeginWaitCursor();	if (!pMainFrm->OpenClipboard())	{		EndWaitCursor();		return false;	}	HGLOBAL hCpy = ::GetClipboardData(CF_TEXT);	LPCSTR p;	bool result = false;	if ((hCpy) && ((p = (LPSTR)GlobalLock(hCpy)) != nullptr))	{		std::string data(p, p + GlobalSize(hCpy));		GlobalUnlock(hCpy);		CloseClipboard();		result = StringToEnvelope(data, m_SndFile.Instruments[nIns]->GetEnvelope(nEnv), m_SndFile.GetModSpecifications());	}	EndWaitCursor();	return result;}

void CDIPDemoDoc::OnFileReopen(){    // 重新打开图像，放弃所有修改    // 判断当前图像是否已经被改动    if ( IsModified() )    {        // 提示用户该操作将丢失所有当前的修改        if ( MessageBox ( NULL,                          L"重新打开图像将丢失所有改动！是否继续？",                          L"系统提示", MB_ICONQUESTION | MB_YESNO ) == IDNO )        {            // 用户取消操作，直接返回            return;        }    }    CString strPathName;    // 获取当前文件路径    strPathName = GetPathName();    // 更改光标形状    BeginWaitCursor();    if ( !m_Image.AttachFromFile ( strPathName ) )    {        EndWaitCursor();        AfxMessageBox ( L"打开文件时出错!请确保正确的位图(*.bmp)文件类型。" );        return;    }    // 判断读取成功否    if ( !m_Image.m_lpData )    {        // 失败，可能非BMP格式        CString strMsg;        strMsg = L"读取图像时出错！可能是不支持该类型的图像文件！";        // 提示出错        MessageBox ( NULL, strMsg, L"系统提示",                     MB_ICONINFORMATION | MB_OK );        // 返回        return;    }    Init(); //对图像的尺寸和调色板信息进行初始化    // 初始化脏标记为FALSE    SetModifiedFlag ( FALSE );    // 刷新    UpdateAllViews ( NULL );    // 恢复光标形状    EndWaitCursor();    // 返回    return;}

void CAcctHierDlg::OnOrgPpkgscomp() {	 m_iBuildComponents = TRUE;	 m_rbEquipView.SetCheck( DISABLE );	 m_rbListView.SetCheck( DISABLE );	 m_rbPpkgsView.SetCheck( DISABLE );	 m_rbPpkgsComp.SetCheck( ENABLE );	 m_rbAlaCarteView.SetCheck( DISABLE );	 	  	  /* CAMqa83432,83195*/	  int nCountPpkgscomp;	  int nCountAcct;	  int nCountPpkgs;	  if (galHierCountAcctSelection(m_hAPI, 									 m_iHierId, 									 &nCountAcct,									 &m_lpError ) == GAL_FAILURE )	  {			EndWaitCursor();			CGuiMsg::GuiMessage(GUIMSG_ERROR_COUNTING_ACCOUNT);			return;	  }	  if (galHierCountPkgSelection(m_hAPI, 									 m_iHierId, 									 &nCountPpkgs,									 &m_lpError ) == GAL_FAILURE )	  {			EndWaitCursor();			CGuiMsg::GuiMessage(GUIMSG_ERROR_COUNTING_PACKAGE);			return;	  }      if (galHierCountPkgCompSelection(m_hAPI, 									 m_iHierId, 									 &nCountPpkgscomp,									 &m_lpError ) == GAL_FAILURE )	  {			EndWaitCursor();			CGuiMsg::GuiMessage(GUIMSG_ERROR_COUNTING_PACKAGE_COMPONENTS);			return;	  }	  m_iMaxAlaProducts = nCountAcct + nCountPpkgs+ nCountPpkgscomp + 1;      DeleteObjects();	 BuildAcct();	 BuildPkgs();	 m_iBuildComponents = FALSE;	 }

// The following example illustrates the most common case// of displaying the hourglass cursor during some lengthy// processing of a command handler implemented in some// CCmdTarget-derived class, such as a document or view.void CMyView::OnBeginSleepEnd(){   BeginWaitCursor(); // display the hourglass cursor   // do some lengthy processing   Sleep(3000);   EndWaitCursor(); // remove the hourglass cursor}

void CMainWizard::OnScImportSettings(void){	CString strFilter;	CString strTitle;	CProcessPrivileges processPrivileges;	enum { fdwFlags = OFN_HIDEREADONLY | OFN_PATHMUSTEXIST };	strFilter.LoadString(IDS_SETTINGS_FILTER);#if (_MFC_VER < 0x0700)	CFileDialogEx dlgOpen(TRUE, _T("hive"), AfxGetAppName(), fdwFlags, strFilter);#else	CFileDialog dlgOpen(TRUE, _T("hive"), AfxGetAppName(), fdwFlags, strFilter);#endif   // _MFC_VER	strTitle.LoadString(IDS_TITLE_IMPORT);	dlgOpen.m_ofn.lpstrTitle = strTitle;	if (dlgOpen.DoModal() == IDOK)	{		BeginWaitCursor();		CWinApp* pApp = AfxGetApp();		ASSERT_VALID(pApp);		processPrivileges[SE_RESTORE_NAME] = SE_PRIVILEGE_ENABLED;		HKEY hAppKey = pApp->GetAppRegistryKey();		::RegRestoreKey(hAppKey, dlgOpen.GetPathName(), REG_FORCE_RESTORE);		::RegCloseKey(hAppKey);		processPrivileges[SE_RESTORE_NAME] = 0;		EndWaitCursor();	}}

void CMainWizard::OnScExportSettings(void){	CString strFilter;	CString strTitle;	CProcessPrivileges processPrivileges;	enum { fdwFlags = OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY };	strFilter.LoadString(IDS_SETTINGS_FILTER);#if (_MFC_VER < 0x0700)	CFileDialogEx dlgSaveAs(FALSE, _T("hive"), AfxGetAppName(), fdwFlags, strFilter);#else	CFileDialog dlgSaveAs(FALSE, _T("hive"), AfxGetAppName(), fdwFlags, strFilter);#endif   // _MFC_VER	strTitle.LoadString(IDS_TITLE_EXPORT);	dlgSaveAs.m_ofn.lpstrTitle = strTitle;	if (dlgSaveAs.DoModal() == IDOK)	{		BeginWaitCursor();		CWinApp* pApp = AfxGetApp();		ASSERT_VALID(pApp);		processPrivileges[SE_BACKUP_NAME] = SE_PRIVILEGE_ENABLED;		HKEY hAppKey = pApp->GetAppRegistryKey();		::RegSaveKey(hAppKey, dlgSaveAs.GetPathName(), NULL);		::RegCloseKey(hAppKey);		processPrivileges[SE_BACKUP_NAME] = 0;		EndWaitCursor();	}}

void CTypeLibTreeView::OnTreeItemExpanding(NMHDR* pNMHDR, LRESULT* pResult){	*pResult = 0 ;	NM_TREEVIEW* pnmtv = (NM_TREEVIEW*)pNMHDR;	if ((pnmtv->action != TVE_EXPAND && pnmtv->itemNew.lParam) ||		(pnmtv->itemNew.state & TVIS_EXPANDEDONCE))		return ;	CTreeItem*  pItem = (CTreeItem*)pnmtv->itemNew.lParam ;	if (pItem == NULL)		return ;	ASSERT(pItem->IsKindOf(RUNTIME_CLASS(CTreeItem)));	BeginWaitCursor() ;	m_tree.SetRedraw( FALSE ) ;	*pResult = !pItem->Expand(  pnmtv->itemNew.hItem ) ;	// No children	if (*pResult == TRUE)	{		TV_ITEM item ;		item.cChildren = 0 ;		item.mask = TVIF_CHILDREN ;		item.hItem = pnmtv->itemNew.hItem ;		m_tree.SetItem( &item ) ;	}	m_tree.SetRedraw( TRUE ) ;	EndWaitCursor() ;}

void CIMDisplayView::OnCrop() {    CIMDisplayDoc* pDoc = GetDocument();    ASSERT_VALID(pDoc);    SetupUndo();    BeginWaitCursor();    try {	CRect trackRect;	m_tracker.GetTrueRect(trackRect);	Geometry    newGeo( trackRect.Width(), trackRect.Height(), trackRect.left, trackRect.top );	pDoc->GetImage().crop( newGeo );    }    catch(Exception e)    {	DoDisplayError("OnCrop",e.what());    }    EndWaitCursor();    UpdateTheView();}

void CDibView::OnEditPaste(){	HDIB hNewDIB = NULL;	if (OpenClipboard())	{		BeginWaitCursor();		hNewDIB = (HDIB) CopyHandle(::GetClipboardData(CF_DIB));		CloseClipboard();		if (hNewDIB != NULL)		{			CDibDoc* pDoc = GetDocument();			pDoc->ReplaceHDIB(hNewDIB); // and free the old DIB			pDoc->InitDIBData();    // set up new size & palette			pDoc->SetModifiedFlag(TRUE);			SetScrollSizes(MM_TEXT, pDoc->GetDocSize());			OnDoRealize((WPARAM)m_hWnd,0);  // realize the new palette			pDoc->UpdateAllViews(NULL);		}		EndWaitCursor();	}}

void NewVersionDlg::OnShowWindow(BOOL bShow, UINT nStatus){	CDialog::OnShowWindow(bShow, nStatus);	int iTotalTextLength = ctlDetails.GetWindowTextLength();	ctlDetails.SetSel(iTotalTextLength, iTotalTextLength);	BeginWaitCursor();	CString sResult;	CWebAccess webAccess;	webAccess.Get("www.milow.net/site/projects/parnrar/pnrVersions.xml", sResult);	if (sResult != "")		{		MSXML::IXMLDOMDocumentPtr domVersions;			if (CoCreateInstance( MSXML::CLSID_DOMDocument, 0, CLSCTX_INPROC_SERVER, MSXML::IID_IXMLDOMDocument, (void**)&domVersions ) != S_OK)		{			ctlDetails.ReplaceSel("Error: Failed to create DOMDocument object");			goto CLEANUP;		}		domVersions->loadXML(sResult.GetBuffer(0));		CString sXml = static_cast<char *>(domVersions->xml);		if (sXml == "")		{			ctlDetails.ReplaceSel("Error: Failed to download version information");			goto CLEANUP;		}		MSXML::IXMLDOMElementPtr eVer = domVersions->selectSingleNode("/Versions/Version");		CString sVer = static_cast<char *>(_bstr_t(eVer->getAttribute("number")));		if (sVer == theApp.GetMyVersion())		{			ctlDetails.ReplaceSel("You are currently running the latest version of Par-N-Rar");			goto CLEANUP;		}		//Get all info about later versions		CString sText = "You are currently running v" + theApp.GetMyVersion();		sText += "/n";		sText += "The latest version is v" + sVer;		sText += "/n/n";		MSXML::IXMLDOMNodeListPtr nlVersions = domVersions->selectNodes( "/Versions/Version");			for (long l=0; l<nlVersions->length; l++)		{			eVer = nlVersions->Getitem(l);			sVer = static_cast<char *>(_bstr_t(eVer->getAttribute("number")));			if (sVer == theApp.GetMyVersion())				break;			sText += "****************************************************/nVersion " + sVer;			sText += ": /n";			sText += static_cast<char *>(eVer->text);			sText += "/n/n";		}		ctlDetails.ReplaceSel(sText);	}CLEANUP:	Resize();	EndWaitCursor();}

BOOL CCertRemoveSelectDlg::RefreshCertificateList()/*++Routine Description:   Refresh certificate list view from internal license list.Arguments:   None.Return Values:   BOOL.--*/{   BeginWaitCursor();   BOOL ok = ::LvRefreshObArray( &m_listCertificates, &g_removeColumnInfo, &m_licenseArray );   EndWaitCursor();   return ok;}

void CRepositoryBrowser::Refresh(){	BeginWaitCursor();	if (m_nExternalOvl >= 0)		SYS_IMAGE_LIST().SetOverlayImage(m_nExternalOvl, OVERLAY_EXTERNAL);	m_RepoTree.DeleteAllItems();	m_RepoList.DeleteAllItems();	m_TreeRoot.m_ShadowTree.clear();	m_TreeRoot.m_sName = "";	m_TreeRoot.m_bFolder = true;	TVINSERTSTRUCT tvinsert = {0};	tvinsert.hParent = TVI_ROOT;	tvinsert.hInsertAfter = TVI_ROOT;	tvinsert.itemex.mask = TVIF_DI_SETITEM | TVIF_PARAM | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_STATE;	tvinsert.itemex.pszText = L"/";	tvinsert.itemex.lParam = (LPARAM)&m_TreeRoot;	tvinsert.itemex.iImage = m_nIconFolder;	tvinsert.itemex.iSelectedImage = m_nOpenIconFolder;	m_TreeRoot.m_hTree= m_RepoTree.InsertItem(&tvinsert);	ReadTree(&m_TreeRoot);	m_RepoTree.Expand(m_TreeRoot.m_hTree, TVE_EXPAND);	FillListCtrlForShadowTree(&m_TreeRoot);	m_RepoTree.SelectItem(m_TreeRoot.m_hTree);	EndWaitCursor();}

void CDlg::OnBnClickedButton5(){//Товар-склад	COleVariant vC;	short i;	BeginWaitCursor();		HMODULE hMod;		BOOL bFndC;		CString strFndC;		bFndC   = FALSE;		strFndC = _T("");		if(IsEnableRec(ptrRs1)){			i = 0;			vC = GetValueRec(ptrRs1,i);			vC.ChangeType(VT_BSTR);			strFndC = vC.bstrVal;			strFndC.TrimLeft();			strFndC.TrimRight();			bFndC = TRUE;		}		hMod=AfxLoadLibrary(_T("OrdStrg.dll"));		typedef BOOL (*pDialog)(CString,_ConnectionPtr,CString,BOOL);		pDialog func=(pDialog)GetProcAddress(hMod,"startOrdStrg");		(func)(m_strNT, ptrCnn,strFndC,bFndC);//		m_SlpDay.SetDate(t1);		AfxFreeLibrary(hMod);	EndWaitCursor();}

void CVideoWnd::CreateTransparent(LPCTSTR pTitle, RECT rect, HBITMAP BitmapID){	CTransparentWnd::CreateTransparent( pTitle, rect, BitmapID);	BeginWaitCursor();	//FrameGrabber	if (!m_FrameGrabber.GetSafeHwnd())	{		//m_FrameGrabber.Create(0,9,this);		int ret = m_FrameGrabber.Create(0,9,this);		//ret = 0;		if (ret)		{			double delayPeriod = 1000 / m_iRefreshRate;			//SetTimer(0x1, DEFAULT_PERIOD, NULL);			SetTimer(0x1, (int) delayPeriod, NULL);			m_iStatus = 1;		}		else {			m_textstring.LoadString(IDS_STRING_NOWEBCAM);		}	}	EndWaitCursor();}

void CLoginDlg::DispLatestUser(){		try	{		if( m_SQLDirect.ExecuteSQL("SELECT * FROM uSysInfo")==SQL_SUCCESS)		{			int nRet=m_SQLDirect.Fetch();			if(!nRet)			{				m_strUser=m_SQLDirect.GetCol(1);				CWnd* pWnd;				pWnd=GetDlgItem(IDC_EDT_PWD);  //IDC_EDT_USER  IDC_EDT_PWD				pWnd->SetFocus();			}			else			{				CWnd* pWnd;				pWnd=GetDlgItem(IDC_EDT_USER);				pWnd->SetFocus();			}		}			}	catch(CDBException *e){		e->ReportError();		EndWaitCursor();		return ;	}}

void CStockView::OnInitialUpdate(){  BeginWaitCursor();  CDBSampleDoc* pDoc = static_cast<CDBSampleDoc*>(GetDocument());	m_pSet = &(pDoc->m_StockSet);  m_pSet->m_pDatabase = pDoc->m_DBSampleSet.m_pDatabase;  // Set the current Product ID as the parameter   m_pSet->m_ProductIDparam = pDoc->m_DBSampleSet.m_ProductID;   // Filter on the Product ID field   m_pSet->m_strFilter = "ProductID = ?";   CRecordView::OnInitialUpdate();   if (m_pSet->IsOpen())   {      CString strTitle = m_pSet->m_pDatabase->GetDatabaseName();      CString strTable = m_pSet->GetTableName();      if (!strTable.IsEmpty())         strTitle += _T(":") + strTable;      GetDocument()->SetTitle(strTitle);   }   EndWaitCursor();}

void T38AI8AO::OnCbnSelchangeRangecombo(){bPauseMultiRead=TRUE;	BeginWaitCursor();	CString strTemp;	int lRow = m_msflexgrid_input.get_RowSel();		int lCol = m_msflexgrid_input.get_ColSel();	int sel=m_comboxRange.GetCurSel();	m_comboxRange.ShowWindow(FALSE);	if (product_register_value[RANGE_INPUT1+lRow-1]==sel)	{		return;	}	int ret=write_one(g_tstat_id,RANGE_INPUT1+lRow-1,sel);	if (ret>0)	{		product_register_value[RANGE_INPUT1+lRow-1]=sel;	}	else	{		AfxMessageBox(_T("Fail"));	}	InitialDialog();	EndWaitCursor();	bPauseMultiRead=FALSE;}

BOOL CDibDoc::OnOpenDocument(LPCTSTR lpszPathName){	CFile file;	CFileException fe;	if (!file.Open(lpszPathName, CFile::modeRead | CFile::shareDenyWrite, &fe))	{		ReportSaveLoadException(lpszPathName, &fe,			FALSE, AFX_IDP_FAILED_TO_OPEN_DOC);		return FALSE;	}	DeleteContents();	BeginWaitCursor();	// replace calls to Serialize with ReadDIBFile function	TRY	{		m_hDIB = ::ReadDIBFile(file);	}	CATCH (CFileException, eLoad)	{		file.Abort(); // will not throw an exception		EndWaitCursor();		ReportSaveLoadException(lpszPathName, eLoad,			FALSE, AFX_IDP_FAILED_TO_OPEN_DOC);		m_hDIB = NULL;		return FALSE;	}

void CDrumScheduleResultView::OnUpdate(CView* /*pSender*/, LPARAM /*lHint*/, CObject* /*pHint*/){	BeginWaitCursor();	m_wndSpread.SetReDraw(FALSE);	DisplayDrumScheduleResult();	m_wndSpread.SetReDraw(TRUE);	EndWaitCursor();}

void CFoulerDoc::OnEditClearAll() {	BeginWaitCursor();	ClearData();	m_pLeftView->Refresh();	m_pRightView->Refresh();	EndWaitCursor();}

//--------------------------------------------------------------------------------BOOL CMainPropSheet::OnInitDialog() 	{	BOOL bResult = CPropertySheet::OnInitDialog();	EndWaitCursor();	return bResult;	}

void CDlg::ButtonClickDatagrid4(short ColIndex){    COleVariant vC,vBk;    short i;    if(IsEnableRec(ptrRs4)) {        vBk = ptrRs4->GetBookmark();        switch(ColIndex) {        case 1:        {            BOOL bFndC;            CString strFndC;            bFndC   = TRUE;            strFndC = _T("");            i=0;            vC = GetValueRec(ptrRs4,i);            vC.ChangeType(VT_BSTR);            strFndC=vC.bstrVal;            strFndC.TrimLeft();            strFndC.TrimRight();            BeginWaitCursor();            //		m_SlpDay.SetDate(t1);            HMODULE hMod;            hMod=AfxLoadLibrary(L"Stg.dll");            typedef BOOL (*pDialog)(CString,_ConnectionPtr,CString,BOOL);            pDialog func=(pDialog)GetProcAddress(hMod,"startStg");            (func)(m_strNT, ptrCnn,strFndC,bFndC);            //		m_SlpDay.SetDate(t1);            AfxFreeLibrary(hMod);            EndWaitCursor();        }        break;        }        try {            ptrRs4->Requery(adCmdText);//adCmdStoredProc            m_DataGrid4.Refresh();            InitDataGrid4(m_DataGrid4,ptrRs4);            if(!IsEmptyRec(ptrRs4)) {                try {                    ptrRs4->PutBookmark(vBk);                }                catch(...) {                    ptrRs4->MoveLast();                }            }        }        catch(_com_error& e) {            AfxMessageBox(e.ErrorMessage());        }    }}

void CSettingDlg::OnDeletefile() {	int selcount = 0;	CString		delfilename, compname, errmsg;	std::string			filename;	std::vector	<int>	sellist;	_VERSION_INFO* pInfo = NULL;	selcount = m_FileList.GetSelCount();	if( selcount == 0 ) {		AfxMessageBox("File Not Selected.");		return;	}	BeginWaitCursor();	sellist.reserve(selcount);	m_FileList.GetSelItems( selcount, &sellist[0] );	for( int i=0; i<selcount; i++ ) {		m_FileList.GetText( sellist[i], delfilename );		filename = delfilename;		pInfo = m_pMain->m_VersionList.GetData(filename);		if( pInfo ) {			if( m_pMain->m_DBProcess.DeleteVersion( filename.c_str() ) == FALSE ) {				errmsg.Format("%s DB Delete Fail", filename.c_str());				AfxMessageBox(errmsg);				return;			}			if( pInfo->sHistoryVersion > 0 ) {					// Restore				pInfo->sVersion = pInfo->sHistoryVersion;				pInfo->sHistoryVersion = 0;				compname.Format("patch%.4d.zip", pInfo->sVersion );				if( m_pMain->m_DBProcess.InsertVersion( pInfo->sVersion, filename.c_str(), (const char*)(LPCTSTR)compname, 0 ) == FALSE ) {					m_pMain->m_VersionList.DeleteData( filename );					errmsg.Format("%s DB Insert Fail", filename.c_str());					AfxMessageBox(errmsg);					return;				}			}			else {				if( m_pMain->m_VersionList.DeleteData(filename) == FALSE )					return;			}			Sleep(10);		}	}	EndWaitCursor();	OnRefresh();}

BOOL CDIPDemoDoc::OnOpenDocument ( LPCTSTR                                   lpszPathName ){    DeleteContents();    // 更改光标形状    BeginWaitCursor();    // 读取图像并附加到m_Image上    if ( !m_Image.AttachFromFile ( lpszPathName ) )    {        EndWaitCursor();        AfxMessageBox ( L"打开文件时出错!请确保正确的位图(*.bmp)文件类型。" );        return FALSE;    }    // 恢复光标形状    EndWaitCursor();    // 判断读取成功否    if ( !m_Image.m_lpData )    {        // 失败，可能非BMP格式        CString strMsg;        strMsg = L"读取图像时出错！可能是不支持该类型的图像文件！";        // 提示出错        MessageBox ( NULL, strMsg, L"系统提示",                     MB_ICONINFORMATION | MB_OK );        // 返回FALSE        return FALSE;    }    Init(); //对图像的尺寸和调色板信息进行初始化    // 设置文件名称    SetPathName ( lpszPathName );    // 拷贝当前m_Image到m_OImage    m_OImage = m_Image;    // 初始化胀标记为FALSE    SetModifiedFlag ( FALSE );    // 返回TRUE    return TRUE;}