Bir Unbiased Görünüm C# ReadOnlyCollectionBase Temel Özellikleri

Bir Unbiased Görünüm C# ReadOnlyCollectionBase Temel Özellikleri

Blog Article

I do not pass around Listss if I kişi possibly help it. Generally I have something else that is managing the collection in question, which exposes the collection, for example:

A note. Read-only status is hamiş transferred to other references. You cannot replace the references with other StringBuilder references or the null literal.

In a multithreaded environment, this is even more of an issue, birli one thread dirilik make changes to the veri while another is trying to read data - you güç easily get inconsistent veri in different threads.

C# IStructuralEquatable arabirimi, koleksiyonların konstrüktif eşitliğini tarif etmek karınin kullanılır. İki nesnenin içeriğinin aynı olup olmadığını belirlemek ve bu nesnelerin alınlaştırılabilirliğini kurmak bâtınin önemli yöntemler sunar.

The main advantage of this comes in the fact that you emanet't add code to collections so whenever you have a native "collection" in your object model, you ALWAYS have non-OO support code spread throughout your project to access it.

Your implementation depends on your needs: - If you don't care about the caller (Class B) from seeing any further changes to the collection then you kişi just clone the collection, hand it out, and stop caring. - If you definitely need the caller (Class B) to see changes that are made to C# ReadOnlyCollectionBase Nasıl Kullanılır the collection, and you want this to be thread-safe, then you have more of a problem on your hands.

4) If you suddenly realise that your collection of choice C# ReadOnlyCollectionBase Nedir is inefficient, you dirilik change the underlying collection type without having to go and change all the places where it got passed bey a parameter (can you imagine C# ReadOnlyCollectionBase Nerelerde Kullanılıyor the trouble you might have with, say, List?)

Kodunuzda aynı emeklemi ansızın okkalı sefer kullanmanız gerekiyorsa, bu alışverişlemi bir metot ciğerine koyabilirsiniz ve yeniden yine aynı kodu yazmanız gerekmez. Bu sayede kodunuz elan az muhtelitşık hale gelir ve daha basit yönetilebilir.

Note that the IReadOnlyList interface works similarly to List and in fact kişi be used in place of List when you want the elements of the list to be read-only. We will illustrate C# ReadOnlyCollectionBase Nasıl Kullanılır this with an example in the next section.

Figure 1 below displays the members of List. Note that you have a method named Add, so you birey easily add authors to the list of authors we’ve created in the preceding code snippet.

Single(IEnumerable) Returns the only element of a sequence, and throws an exception if there is derece exactly one element in the sequence.

However, that doesn't mean that the ReadOnlyCollectionBase class isn't useful. For instance, by leveraging the InnerList property, you kişi create a collection that supports whatever custom functionality you need. Perhaps you want to create a collection for audit log entries where users kişi add but derece remove items.

Important Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or C# ReadOnlyCollectionBase Kullanımı implied, with respect to the information provided here.

DefaultIfEmpty(IEnumerable, TSource) Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty.