Video: Dab tsi yog qhov kev tshwm sim handler hauv Visual Basic?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ib tus tuav xwm txheej yog tus lej koj sau los teb rau ib qho xwm txheej . Ib Tus neeg saib xyuas kev tshwm sim hauv Visual Basic yog ib txoj kev Sub. Hloov chaw, koj txheeb xyuas cov txheej txheem ua ib tus tuav rau cov xwm txheej . Koj tuaj yeem ua qhov no nrog rau Handles clause thiab WithEvents sib txawv, lossis nrog AddHandler Nqe Lus Qhia.
Ntawm no, Dab tsi yog Kev Ua Haujlwm Handler?
Ib tus tuav xwm txheej feem ntau yog ib qho software niaj hnub uas ua haujlwm xws li keystrokes thiab nas txav. Nrog cov vev xaib, cov neeg tuav kev tshwm sim ua Web cov ntsiab lus dynamic. JavaScript yog ib hom kev sau ntawv cov neeg tuav kev tshwm sim rau Web cov ntsiab lus.
Tsis tas li ntawd, dab tsi yog qhov kev tshwm sim tuav hauv VB net? VB . Net - Txheej xwm tuav . Cov xwm txheej yog cov neeg siv kev ua haujlwm zoo li cov xovxwm tseem ceeb, nyem, nas txav, thiab lwm yam, lossis qee qhov tshwm sim zoo li qhov system tsim cov ntawv ceeb toom. Cov ntawv thov yuav tsum teb rau xwm txheej thaum lawv tshwm sim.
Ua raws li qhov kev pom no, dab tsi yog qhov tshwm sim hauv Visual Basic?
Visual Basic yog ib xwm txheej - tsav programming lus. Cov xwm txheej - tsav programming yog lub computer programming paradigm qhov twg cov ntws thiab tswj ntawm qhov kev pab cuam yog txiav txim los ntawm ib co xwm txheej.
Koj txhais li cas los ntawm kev tshwm sim hauv VB Net sau ib qho kev tshwm sim ob nas?
Cov xwm txheej hauv a Visual Basic . Net qhov kev pab cuam yog ntawm ob hom: neeg siv generated xwm txheej thiab qhov system generated xwm txheej . Ib xwm txheej nyob rau hauv ib qhov kev pab cuam yog ib qho kev txiav txim uas tshwm sim thaum nias rau ntawm lub pob, ntaus ntawv ib co ntawv los yog tsiv tus nas thiab uas hu ua haujlwm lossis ua rau lwm tus xwm txheej.
Pom zoo:
Dab tsi yog cov ntaub ntawv kev ruaj ntseg thiab kev tswj hwm kev tshwm sim SIEM system?
Cov ntaub ntawv kev nyab xeeb thiab kev tswj hwm qhov xwm txheej (SIEM) yog txoj hauv kev rau kev tswj hwm kev nyab xeeb uas sib txuas SIM (kev tswj hwm cov ntaub ntawv kev nyab xeeb) thiab SEM (kev tswj hwm kev nyab xeeb) ua haujlwm rau hauv ib qho kev tswj hwm kev ruaj ntseg. Lub acronym SIEM yog pronounced 'sim' nrog ib tug ntsiag to e. Download tau phau ntawv qhia no pub dawb
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Vim li cas Visual Basic hu ua qhov kev tshwm sim uas tau tsav lub programming?
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Event Handling yog ib qho software niaj hnub uas ua haujlwm, xws li keystrokes thiab nas txav. Nws yog qhov tau txais ntawm ib qho kev tshwm sim ntawm qee qhov kev tshwm sim los ntawm tus tsim khoom thiab cov txheej txheem tom ntej
Dab tsi yog qhov tshwm sim tshwm sim?
Ib qho 'kev mob tshwm sim' yog txhua yam uas cuam tshuam rau qee yam sab nraud ntawm qhov kev ua haujlwm raug tua. Cov haujlwm uas ua haujlwm yam tsis muaj kev phiv yog hu ua 'ntshiab' ua haujlwm: lawv siv cov lus sib cav, thiab lawv rov qab muaj nuj nqis. Tsis muaj dab tsi ntxiv tshwm sim thaum ua haujlwm