Dab tsi yog cov neeg sawv cev thiab cov xwm txheej hauv C #?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

A tus sawv cev yog ib txoj kev qhia C# uas txoj kev hu thaum ib xwm txheej yog ua rau. Piv txwv li, yog tias koj nyem khawm ntawm ib daim ntawv, qhov kev zov me nyuam yuav hu rau ib txoj kev tshwj xeeb. Nws yog tus pointer no uas yog a tus sawv cev . Cov neeg sawv cev yog qhov zoo, raws li koj tuaj yeem qhia ntau txoj hauv kev uas ib qho xwm txheej tau tshwm sim, yog tias koj xav li ntawd.

Ib yam li ib tug yuav nug, qhov txawv ntawm tus neeg sawv cev thiab cov xwm txheej hauv C # yog dab tsi?

Ntsiab Qhov sib txawv ntawm cov neeg sawv cev thiab cov xwm txheej hauv C# tus neeg sawv cev yog ib yam khoom siv los ua tus taw tes ua haujlwm los tuav qhov kev siv ntawm ib txoj kev. A tus sawv cev tau tshaj tawm sab nraum ib chav kawm whereas, ib xwm txheej tau tshaj tawm hauv ib chav kawm. Hu rau ib txoj kev siv a tus sawv cev khoom, txoj kev yuav tsum tau xa mus rau lub tus sawv cev khoom.

Qhov thib ob, cov xwm txheej hauv C# yog dab tsi? C# - Txheej xwm

• Cov xwm txheej yog cov neeg siv ua xws li cov xovxwm tseem ceeb, nyem, nas txav, thiab lwm yam, lossis qee qhov tshwm sim xws li cov ntawv ceeb toom tsim tawm.
• Cov xwm txheej tau tshaj tawm thiab tsa hauv chav kawm thiab cuam tshuam nrog cov neeg tuav kev tshwm sim uas siv cov neeg sawv cev hauv tib chav kawm lossis lwm chav kawm.

Tom qab ntawd, lo lus nug yog, dab tsi yog delegates hauv C#?

C# delegates zoo ib yam li taw tes rau kev ua haujlwm, hauv C lossis C ++. A tus sawv cev yog ib hom kev siv sib txawv uas tuav cov kev siv rau ib txoj kev. Cov ntaub ntawv tuaj yeem hloov pauv thaum lub sijhawm ua haujlwm. Cov neeg sawv cev tshwj xeeb tshaj yog siv rau kev siv cov xwm txheej thiab cov txheej txheem hu rov qab.

Dab tsi yog qhov tseem ceeb ntawm kev siv cov neeg sawv cev hauv C #?

A delegate hauv C# zoo ib yam li cov taw qhia ua haujlwm ntawm C ++, tab sis C# delegates yog hom kev nyab xeeb. Koj tuaj yeem hla txoj hauv kev raws li qhov ntsuas rau a tus sawv cev tso cai rau tus sawv cev taw tes rau txoj kev. Cov neeg sawv cev yog siv los txhais txoj hauv kev hu rov qab thiab siv qhov kev tshwm sim, thiab lawv tau tshaj tawm tias siv " tus sawv cev "keyword.