5 Temel Unsurları için C# ReadOnlyCollectionBase Nedir

5 Temel Unsurları için C# ReadOnlyCollectionBase Nedir

Blog Article

But yeah, I would have to agree that there's definitely a "hole" in the BCL where a read-only indexed collection interface should go. IList is just too multi-purpose.

Define your own class which implements IEnumerator, takes an IList in the new constructor, katışıksız a read only default item property taking an index, and does hamiş include any properties/methods that could otherwise allow your list to me manipulated.

Silindi emre TAŞ yazının devamı > silindi emre TAŞ yazının devamı > silindi emre TAŞ gökçe yazının devamı > silindi emre TAŞ edebiyatın devamı > silindi emre TAŞ edebiyatın devamı >

Which means that I always have to cast the items back to MyItem when I want to use them. Also the items emanet be casted into MyItem outside the class.

Passing IList/IDictionaries is generally no good because I can't communicate nor enforce the read-only nature of those views (so e.g. IList is actively worse than an array here)

You want to use the yield keyword. You loop through the IEnumerable list and return the results with yeild. This allows the consumer to use the for each without modifying the collection.

A ReadOnlyCollection birey support multiple readers concurrently, kakım long birli the collection is not modified. Even so, enumerating through a collection is intrinsically hamiş a thread-safe procedure.

Collaborate with us on GitHub The source for this content güç be found on GitHub, where you hayat C# ReadOnlyCollectionBase Nasıl Kullanılır also create and review issues and pull requests. For more information, see our contributor guide.

Exposing the array directly to those using it C# ReadOnlyCollectionBase Kullanımı means that they hayat modify it - this C# ReadOnlyCollectionBase Kullanımı is a violation of encapsulation and veri hiding.

Movie about a planet where seeds must be harvested just right in order to liberate C# ReadOnlyCollectionBase Nasıl Kullanılır a valuable crystal within

ICollection is such abstraction and you could say that ICollection does hamiş have an exact corresponding peer in the generic world; IEnumerable is the closest.

1 Gotta agree with DarkWanderer here. Collections should be just that: collections. There are many other ways to centralize business logic without breaking the single responsibility principle. Plus, making your collection more "clever" may actually confuse the using developer more than it helps him.

-HashTable ve Sorted List: Bu dü klasın çkırmızıışma prensipleri birbirine çok yakındır. Bir bölgede iki sayı bilgi barındırırlar. Bunlar ‘Key’ ve ‘Value’dur. Verdiğimiz ‘Key’ değeri unique başlamak ve null olmamak zorundadır. HashTable ve SortedList, verilere ulaşırken çitndırdıkları unique anahtarları kullanarak ulaşırlar. Sonunda aldıkları verilere bir nevi Identity kolonuna bandajlamış C# ReadOnlyCollectionBase Nerelerde Kullanılıyor olurlar. Key bileğerleri atandıktan sonra asla değmeselemez.

One should note that aku's answer will only protect the list birli being read only. Elements in the list are still very writable.