VisualC++的新特性課件

DEV205:VisualC++?

的新特性

XinTian

DeveloperSupport

MicrosoftAsiaRegionalEngineeringCenter技術的演變ComputingpowerPowerdoublingevery18monthsScalableandeconomical(PCsandservers)ConnectivityLow-cost,high-speedInternet,wirelessconnectionstoemployees,partners,andcustomersDeviceproliferationSmartdevices-Handhelds,PDAs,cellphonesEmergingstandardsOpenstandardsforexchangingdataConnectivity,presentation,dataexchangeVisualC++與.NETVisualC++ispartof.NETOurfocusisonpower,control,flexibilityNoblackboxesBeproductiveandeasybutneverattheexpenseofpowerandexpressivenessWheredoesC#fitin?TheRADlanguagedesignedforthe

C++developer用C++,ATLServer

寫Web應用程序BuiltontopofISAPIPartoftheNativeC++LibrariesATLidealofflexibilityandperformanceAllowsyoutobuildwebapplicationsandwebservicesATLServer應用程序架構

WebClientRequest

DispatcherATLServer

ServicesVCISAPI.DLLYourAppSRF

FilesIISProcessHTTP

RequestHTTP

ResponseRequest

Handler更多的ATLServer特性StencilProcessorThread-poolingserviceHttpRequestProcessorMailsupportSecuritysupportLocalization,localeand

codepagesupportRemoteAdministrationNativesupportforWebServices為什么用NativeWebServices?PowerandControlofnative

C++developmentBringyourexistingATLcodeintothe.NETworldStillintegrateswithASP.NET

WebServiceWebServices

用C++建立WebServiceisjustanotherrequesthandler[webmethod]attributeFullyinteroperateswithotherWebServicesinheritcodefromC#,VisualBasicandotherCLRbased.NETcodeCanbeconsumedbyanyplatform/languageAnyC++typesupportedCanfollowpointersWebServices

使用AddWebReference,foreverylanguageGeneratesC++wrapperclassMFCorATLapplicationsjustInstantiateandcalljustlikeanyC++classIntelliSenseManagedExtensionsC++on.NetLanguageinteroperabilitySameC++language用C++使用

.NETFrameworkCommonlanguagespecification(CLS)“GC”classes“Value”classesInterfacesMethodoverloadingPropertiesDelegatesEventsAssembliesC++ManagedExtensions

14個新的關鍵字__abstract __box __typeof __delegate __event __try_cast__value __gc __interface__nogc __pin __property__sealed __identifierHello,World//hello.cpp#using<mscorlib.dll>usingnamespaceSystem::Console;

voidmain(){//definedinmscorlib.dllWriteLine(L"Hello,World");}cl/clrhello.cpp同樣的C++語言ReuseexistingcodeWriteNewnativeC++componentsfromyourmanagedapplicationControl,performance,C++fidelityExtendnativeC++appswith

.NETcomponentsIncrementalupdateofcodebaseWrite.NETcomponentsinyourlanguageofchoiceC++isnotverifiableVC++與.NET

ManagedC++類庫ATLServerWebServicesRefactor,Reuse,InteropMFCWebServiceSupportWindows2000supportAccessibilityCommoncontrolimprovementsFusionsupport–MFC/ATLperappdllTopcustomerrequestsCStringperformance64-bitCTimeRead/writedifferentimageformatsHTMLDialogsBetterintegrationbetweenMFCandATLATLATLServerRefactoringMFCclassesintegratedinCString,CFile,CTime,CRect,CPoint,CSizeSAFEARRAYEncryptionSupportBetterNTSecuritySupportSMTPMailPerformanceMonitorsManyATLServerfeaturesavailableThreadpool,caching,httpclient…MFC/ATL的改進

FusionsupportMFC/ATLperappdllAccessibility64-bitenabledEasiertowriteservercomponentsSecure(wrapNTsecurity,Crypto)Tuneforscalability(Perfmon)EasierCOMprogramming…AfewnewUIclassesGDI+support CommonCustomerRequestsC++語言的問題C++codecanbedifficulttomaintainC++codecanbedifficulttoreadDevelopersspendsignificantamountsoftimewritinginfrastructurecodeVS7中C++的屬性ManagedextensionsUsethe.NETattributes.AssemblyattributesDataaccessSimplifyaccesstoallSQLandOLEDB

consumerfunctionalityWebServicesCreateWebapps,Webservices,monitorappperformanceSimplifyCOM+developmentEliminateMIDL,generateCOM+metadataEventingmodelC++eventmodel,COMevents,COM+LCEsupportedwithsamesyntax編譯器的改進RuntimeChecksBufferoverrunchecksStackchecksUninitializedlocalsShortenedconverts(notonbydefault)BetterSTLANSIComplianceImprovements編譯器的改進WholeProgramOptimizationMoreOptimizationsLoopunrollingInliningheuristicsAndmore!NewProcessorSupport統(tǒng)一的IDEFullIntelliSenseandDocumentcommentsSharedMenuEditorDeploymentTaskListDynamicHelpandhelpsearchPropertyGridFullautomationNewClassViewObjectBrowserTheMicrosoftVisualDebuggerFeaturesfocusedondistributedappsStepcrossmachineandprocessboundariesBetweenruntimearchitectures,languagesEasierWebServerdebuggingAuto-attachDCOMpermissionsDetachinnativeandmanagedTheMicrosoftVisualDebuggerEnhancedEditandContinueAddingnewtypesAdding/deletingnonvirtualmethods

ofatypeImportingDLLsdynamicallyManyenhancementsCrashdum