题目内容
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提问人:网友qllovezc
发布时间:2022-01-07
[主观题]
YouarecreatingaWindowscomponentbyusingthe.NetFramework3.5.thecomponentwillbeusedinMicrosof
tWord2007byusingaribbonbutton.Thecomponentisusedforuploadingfiles.YoufindthatWord2007becomesnon-responsiveduringtheupload.Youneedtoensurethattheapplicationcompletestheuploadefficiently.What should you do?()
A.UsetheAsyncResult.SyncProcessMessagemethod.
B.CalltheBeginInvokemethod,performtheupload,andthencalltheEndInvokemethod
C.RetrieveaWaitHandlefromanimplementationoftheIAsyncResultinterfacebeforetheupload.
D.SettheIsCompletedpropertyonanimplementationoftheIAsyncResultinterfacebeforetheupload.
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