C# IEnumerable Nedir Seçenekler

C# IEnumerable Nedir Seçenekler

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Implementation of IEnumerable is generally the preferred way for a class to indicate that it should be usable with a "foreach" loop, and that multiple "foreach" loops on the same object should operate independently.

var kısmından bir zaman bahsedersek var burada mevrut kıymeti en esen nasıl saklayabileceğini belirleyip yapısını bu şekilde ayarlıyor. şu demek oluyor ki IQueryable kullanıyor.

IEnumerable interface’i yardımıyla bir dershane itere edilebilir özellik kazanmaktadır. Evet bir dershaneın itere edilebilirlik özellik kazanması neydi?

Peki. Şu ana derece hiç IEnumerable ve IEnumerator interfacelerini kullanmadım diyebiliriz. Haydi elkızı şimdi bu interfaceleri bir yegâne ele alalım ve bu tam mafevkdaki satırlarda bahsettiğimiz GetEnumerator metodunuda tam teferruatlı masaya yatıralım.

To get them I use VisualTreeHelper class. But I have to consider that there might be A LOT OF children so copying to some array or Collection will by expensive. – drasto 5 mins ago

Basically it has a method to get the next item in the collection. It doesn't need the whole collection to be in memory and doesn't know how many items are in it, foreach just keeps getting the next item until it runs out.

IEnumerator interface inden mevrut “Current” propertysinin get metodunda kendi tanımladığımız “Current” property’sini return ettik.

For small result sets this C# IEnumerable Temel Özellikleri is likely to be a single trip, for large ones you're sending a request for more rows from the results, but it doesn't re-run the entire query.

) without affecting original veri." is confusing. Do you C# IEnumerable Nerelerde Kullanılıyor mean that the new list returned yaşama been added to, and elements yaşama be removed but no updates? C# IEnumerable Kullanımı I thought that because it returned ienumerable you kişi modify the elements in the list, i.e. change a C# IEnumerable Temel Özellikleri property like you said but you yaşama't add and remove items in the list. Is that correct?

for instance, suppose you decided to read a large file line by line and doing something on that, therefore you sevimli write your own ReaderEnumrable to read your file

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IEnumerable is an interface that tells us that we hayat enumerate over a sequence of T instances. If you need to allow somebody to see and perform some action for each object in a collection, this is adequate.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that kişi only C# IEnumerable Kullanımı be enumerated once, so there is no general class for this in the runtime.

The most important thing to realize is that, using Linq, the query does derece get evaluated immediately. It is only run birli part of iterating through the resulting IEnumerable in a foreach - that's what all the weird delegates are doing.