MFC的考试题英文.docx

MFC的考试题英文.docx

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MFC的考试题英文

MFC的考试题

2001Answer

MasteringMFCFundamentalsTestsName:

_________Number:

__________

FirstSection:

Readthefollowingstatementscarefully,pleasewrite"T"or"F"intheplaceoftheanwersheettoshowitistrueorfalse（10%）:

1.Anapplicationisastaticsequenceofinstructionsthatmakesupanexecutablefile.Aprocessisusuallydefinedasaninstanceofarunningapplication.（T）

2.Accelerator、Bitmap、Menu、Toolbar、StatusbararealsostandardWin32GUIresourcetypes.（F）

3.MFCcompletelyencapsulatestheWindowsAPI,freeingthedeveloperfromallSDKdependence.（F）

4.Theapplicationframeworkimplementsthemessagemapdatastructure,whichprovidesthelinkbetweenthemessageIDandthefunctionthatwillhandlethemessage.（T）

5.Althoughthereleaseversionofaprojectismoreefficientthanit'sdebugversion,theyusethesamesetofDLLs.（F）

6.ThereismoreflexibilityinroutingacommandmessagethanaWindowsmessagesincecommandmessagescanbehandledbyawidevarietyofobjects.（T）

7.Pen,Brush,Font,RectangleareallGDIObjects.（F）

8.ThestatusbarcanbeeasilymanagedwiththestatusbareditorinDeveloperStudio.（F）

9.Mostoftheinitialworktocreateadialogboxisthesameformodalandmodelesstypes.Buttheuserneedtowriteadditionalcodeforamodelessdialogboxtoenablereciprocalcommunicationwithit’sapplication.（T）

10.CStringisadatatypesupportedbyMFC’sserializationoperators,thearchiveinsertion（<<）,andextraction（>>）operators.（T）

SecondSection:

Inthissection,pleasechoosethecorrectanswerfromthefourstatementsineachofthefollowingquestions（36%）:

1.Whichofthefollowingisarequiredfunctionforallwindows-basedapplications?

（A）

AWinMainBMyWndProcCWndMgrDGetMenu

2.CObjectisthebaseclassformostofMFC.Whichofthefollowingisnottheinformationandfoundationsthatprovides:

（C）

ARun-timeclassinformationBDiagnosticanddebuggingsupportCSomesimplevaluetypesDCompatibilitywithcollectionclasses

3.IfyouuseMFCtodevelopadocument/viewbasedproject,theDocument、View、FrameandApplicationclassusuallyarethedefaultfourelements,Whichoneofthefollowingisfalseabouttheirdeclarations:

（D）

ATheapplicationclassactsasabinderfortheframe,view,anddocumentobjectsandasetofGUIresourcesinaapplication.

BAdocumentisadataobjectwithwhichtheuserinteractsinaneditingsessionandaviewisawindowobjectthroughwhichtheuserinteractswiththedocument,CTheframeworkprovidesasetofstarterfilesforanapplicationandsuppliesstandarduser-interfacefeaturesthatyoucanimplementinyourapplication.

DSDIapplicationsallowonlyonedocumentframewindowatatime,butMDIapplicationshasawindowwithwhichtheusercanopenmultipleMDIchildwindowsandtheyshouldbethesametypes.

4.Whattooldoyounormallyusetoautomatesthecreationandeditingofclasses,andcreatesadditionalclassesbasedonMFC.（C）

AAppWizardBTheProjectWorkspaceCClassWizardDDeveloperStudioGallery

5.WhatisthepurposeoftheDECLARE_DYNCREATEmacro?

（A）

AToenableobjectsofCObject-derivedclassestobecreateddynamicallyatruntime.

BToenableobjectsofanyclasstobecreateddynamically

CTodynamicallycreatethedocuments

DTodynamicallycreatetheframesandviews.

6.InwhichcasewewillcallOnUpdatememberfunctionoftheCViewclass?

（B）

ACalledwhenaviewisfirstattachedtoadocument.

BCalledwhenthedocument'sdatahaschangedandtheviewneedstobeupdated.

CCalledwhentheapplication'sframehasbeenresized.

DCalledwhenyouwanttochangesomedocumentdata.

7.WhichoneofthefollowingstatementsisfalsewhenusingtheDeveloperStudiodebuggertosetandmanagebreakpoints?

（C）

ATosetabreakpointonasourcestatementextendingacrosstwoormorelines,youmustsetthebreakpointonthelastlineofthestatement.

BAnasterisk（*）intheBreakpointcheckboxindicatesthatthebreakpointisnotsupportedonthecurrentplatform.

CThebreakpointsyousetcannotbesavedaspartofyourprojects.

DYoucansetmorethanonelocationbreakpointonaline.

8.InaMFCapplication,whatisthemessagemapmacronameandhandlernameassociatedwiththeWM_MOUSEMOVEWindowsmessage?

AThemacroisWM_MOUSEMOVE_MESSAGEandthehandlerisOnMouseMoveMessage.

BThemacroisOnMouseMoveandthehandlerisON_MM_MOUSEMOVE.

CThemacroisON_WM_MOUSEMOVEandthehandlerisOnMouseMove.

DSincegeneralwindowmessagesarehandledbytheMFCframework,theyneverneedmessagemapentries.

9.Communicationbetweentheoperatingsystem,applications,andapplicationcomponentsisconductedthrough:

C

AWindowsmessages、Commandmessages

BWindowsmessages、Commandmessages、Event-notificationmessages.

CAlltypesofmessages.

DWindowsmessages、Commandmessages、System-registeredmessages.

10.WhichoneofthefollowingisnotaDC（DeviceContexts）doesinWindows:

BAGivespermissiontoanapplicationtouseanoutputdevice.BGivespermissiontoanapplicationtoredrawalloftheviews.CMaintainscurrentinformationabouthowtodraworpainttoawindow,suchasthecolors,brushorpenpatternsandsoon.DProvidesalinkbetweenaWindows-basedapplication,adevicedriver,andanoutputdevice,suchasamonitororprinter.

11.IfyouwanttodrawarectanglelikeG-1,whichoneofthefollowingcodescannotrealizeit,supposeyouhavethefollowingdefinition:

D

ApDC->Rectangle（0,0,100,100）;

BpDC->MoveTo（0,0）;pDC->LineTo（100,0）;pDC->MoveTo（0,0）;pDC->LineTo（0,100）;pDC->MoveTo（100,100）;pDC->LineTo（100,0）;pDC->MoveTo（100,100）;pDC->LineTo（0,100）;

CCRectrect（0,0,100,100）;pDC->Rectangle（&rect）;

DpDC->Rectangle（CPoint（0,0）,CPoint（100,100））;

12Pleasereadthecodes,andselectthecorrectanswerabouttheoutputstring’scolorinsequence:

A

CPenpen1,pen2;

CPen*pOld;CPointpt（0,0）;

pen1.CreatePen（PS_SOLID,1,RGB（255,0,0））;

pen2.CreatePen（PS_SOLID,1,RGB（0,0,255））;

pOld=pDC->SelectObject（&pen1）;

pDC->TextOut（pt,”Thefirstline.”）;

pDC->SelectObject（pOld）;

pDC->TextOut（pt,”Thesecondeline.”）;

pOld=pDC->SelectObject（&pen2）;pDC->TextOut（pt,”ThethirdLine”）;

ARED,BLACK,BLUEBBLACK,RED,BLACKCRED,BLUE,BLACKDRED,WHITE,BLUE

13Whenyouaredebuggingaprogram,youfindthatthereisadimmedmenuitem,whichoneofthefollowingmeasurescannotmakeitavailable:

D

Acheckifithasanassociatedcommandhandler.

Bcheckifyouhaveexecutedanoperationtomakeitunavailabletemporarily.

Ccheckifthereisnoobjectsthatcanbeused.

DcheckifithasacombinationwithanUpdatecommandhandler

14Whichoneofthefollowingisnottrueabouttoolbareditor:

C

AYoucannotdeletetheblankplaceholderbuttonontherightend.

BIntheToolbareditor,youcandragthebuttonoffthetoolbartodeleteabutton.

CIntheToolbareditor,youcandeleteabuttondirectlyandconvenientlybypressing“Delete”key.

DIfyouwanttocreateanewbutton,youcancopyabuttonandchangetheoriginalbitmaptothenewone.

15Inadialogboxclass,youwanttosavechangesofthedialogcontrolstoavariable,whatfunctionyouoftenaddintheprogram:

B

AInvalidate（）BUpdateData（）CUpdateData（false）DUpdate（）

16WhichoneofthefollowingstatementsistrueabouttherelationshipofDDXandDDV?

D

ADDXandDDVoccurwhentheuserclicksOK.

BDDXandDDVaremutuallyexclusive;onlyonecanbeperformedforeachcontrol.

CThedevelopercannotextendDDXandDDV.

DInaDoDataExchangeroutine,ifaDDVroutineexists,itmustfollowimmediatelyafteritsassociatedDDXroutineinthedatamap.

17Templatesareusefulforgeneratingcollectionclassesbecause:

B

ATemplateshavebuilt-infunctionalityforcollections.

BTemplatesworkwitharbitrarydatatypes.

CAlltemplateshaveiterators,whichareusefulforcollectionclasses.

DTemplateshavebuilt-insupportforthemostcommondatatypes.

18Whichofthefollowingconditionsorstepsisnotrequiredtoaddsupportforserializationtoaclass?

D

ATheclassmustbepubliclyderivedfromCObjectoraclassderivedformCObject.

BTheclassdeclarationmustdeclarebothanoverriddenversionofCObject:

:

SerializeandinvocationoftheDECLARE_SERIALmacro.

CTheclassimplementationfilemustcontaintheimplementationforSerializeandaninvocationoftheIMPLEMENT_SERIALmacro.

DEachclassinanapplicationmusthavedifferent,sequentiallynumberedschema.

ThirdSection:

PleaseuseyourbriefwordsinEnglishtoexplainthefollowingphrases（14%）:

1.Whatis"Event-drivenprogramming"?

2.PleaseexplainWhatis“Mappingmodes”andillustrateitwithsomedetailexamples.

2002Answer

MasteringMFCFundamentalsTests

Name:

_________      Number:

__________

Section  A（26%）:

    Inthissection,pleasechoosethecorrectanswerfromthefourstatementsineachofthefollowingquestions:

（C）1.  CObjectisthebaseclassformostof  MFC.Whichoneofthefollowingisnottheinformationandfoundationsthatprovides:

    A  Run-timeclassinformation

    B Diagnosticanddebuggingsupport

    C  Somesimplevaluetypes

    D  Compatibilitywithcollectionclasses

（D）2.  IfyouuseMFCtodevelop  a  document/view  basedproject,theDocument、View、FrameandApplicationclassusuallyarethedefaultfourelements,Whichoneofthefollowingstatementsisfalseabouttheirdeclarations:

    A  Theapplicationclassactsasabinderfortheframe,view,anddocumentobjectsandasetofGUIresourcesinaapplication.

    B Adocumentisadataobjectwithwhichtheuserinter