英文 VC程序中使用脚本引Word格式.docx

英文 VC程序中使用脚本引Word格式.docx

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sworkonestepfurtherwithanMFC-likeC++classcalledCScriptEnginethatimplementstheActiveXscriptinginterfacesinthecontextofasampleMFCapplication.

YoushouldbefamiliarwithMFCandautomation.Ifnot,readuponbothintheVisualC++onlinedocumentation.

NotethatforActiveXscriptingtoworkinyourMFCapplications,yourVisualC++environmentmustbeversion4.2b.The4.2bupgradepatchisavailablefromMicrosoftatunder"

DownloadsandPatches."

YoumustalsohavetheVBScriptandJScriptDLLsthatcomewithInternetExplorer.YoucandownloadtheDLLsfromMicrosoftat

WhyActiveXscripting?

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"

AutomationenablesautomationclientssuchasVisualBasictouseyourapplications.ButwhywouldyouwantyourapplicationtosupportActiveXscriptingaswell?

Theanswerdependsonyourapplication."

Theanswerdependsonyourapplication.

Forexample,ifyourapplicationisanActiveXcontrolcontaineryouruserswilllikelywanttowritescriptsthataccessthecontrols'

automationevents,properties,andmethods.Yourusersmayalsowanttheirscriptsstoredwithintheapplication'

sdocuments.Andfinally,theylikelywantachoiceinscriptinglanguages.ByaddingsupportforActiveXscripting,yourapplicationscandoallofthesethings.Let'

sexamineasampleapplicationcalledScriptTesttoseehow.

TheScriptTestapplicationfromtheuser'

sperspective

ScriptTestisaHello,World!

–typeapplication.It'

sasimpleSingleDocumentInterface（SDI）applicationgeneratedusingtheMFCAppWizard.Here'

swhatScriptTestlookslikeinaction:

ToeditandrunaScriptTestscript,youinvoketheEnterScriptdialogbyselectingRunfromtheScriptmenu.Here'

swhattheEnterScriptdialoglookslike:

IntheScriptTypebox,youchooseVBScriptorJScript.Youenterthescript'

stextintheScripteditcontrol.

Togiveitatry,downloadtheScriptTestapplicationfromtheVCDJweb-siteandrunit.Fromthemenubar,selectScriptandRun,andenterthefollowingVBScript:

SubSayGoodbye

Document.Text="

Goodbye,World!

EndSub

SayGoodbye

PressOKtorunthescript.

ThisVBScriptdeclaresaSayGoodbyesubroutinethatsimplysetsthedocument'

sTextproperty（describedshortly）to"

ThescriptthencallstheSayGoodbyesubroutine.Afterrunningthescript,ScriptTestdisplays"

ScriptTestfromaprogrammer'

WeenabledActiveXscriptinginScriptTestintwosteps:

first,weaddanautomationmethod,andapropertyinScriptTest'

sdocumentclass,CScriptTestDoc,gaveascriptsomethingtodo;

second,twoC++classesenabledScriptTesttocreateanduseanActiveXscriptingengine.

Step1:

automatingtheScriptTestapplication.BeforeaddingsupportforActiveXscripting,weusetheVisualC++ClassWizardtoaddanautomationpropertycalledTextandamethodcalledMsgBox（）toScriptTest'

sCScriptTestDocclass.TheTextpropertyisheldinaCStringvariablewithinScriptTest'

sdocumentclass.ItsvalueiswhatyouseewritteninScriptTest'

swindow.

InVBScript,youcangetandsetthedocument'

sTextpropertylikeso:

'

gettheTextproperty

strText=Document.Text

settheTextproperty

Document.Text="

TheMsgBox（）methodtakesonestringparametercontainingthemessagetext.Forexample,theVBScriptstatementDocument.MsgBox（"

）causestheScriptTesttodisplaythefollowingmessage:

Step2:

creatingandusingascriptingengine.TocreateanduseanActiveXscriptingengine,ScriptTestincludestheclassesCScriptEngineandCScriptTestScriptEngine.

TheCScriptEngineclassisanMFC-likewrapperaroundanActiveXscriptingengine.It'

sgeneralenoughthatyoushouldbeabletoreuseitinotherMFCapplications."

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sgeneralenoughthatyoushouldbeabletoreuseitinotherMFCapplications