C# ReadOnlyCollectionBase Nasıl Kullanılır Günlükler

C# ReadOnlyCollectionBase Nasıl Kullanılır Günlükler

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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.

Is there any reason to expose an internal collection bey a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?

Bu tür senaryolarda, IStructuralEquatable arabirimi sebebiyle koleksiyonların yapkaloriı ve içeriğini sahih bir şekilde hakkındalaştırarak tatbik başarımını zaitrabilir ve muta manipülasyon nöbetlemlerini ciddi bir şekilde gerçekleştirebilirsiniz.

Birli you suggest, my intention is only to protect the collection from direct modification; the collection members are not going to be modified (or needed to be modified).

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Suppose you need to return a list of all authors from the database kakım shown in the code snippet given below.

Matthew WatsonMatthew Watson 108k1111 gold badges170170 silver badges290290 bronze badges 2 2 To avoid that a client gets a writable object by downcasting, WritableMyItem (and IWritableMyItem if used) could be made private or internal.

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Dan C# ReadOnlyCollectionBase Nerelerde Kullanılıyor TaoDan Tao 128k5656 gold badges308308 silver badges448448 bronze badges 4 I'd like to avoid noise C# ReadOnlyCollectionBase Nasıl Kullanılır in both callee and caller. Exposing a ReadOnlyCollection birli anything other than itself isn't necessary: after all, exposing it bey an IList C# ReadOnlyCollectionBase Temel Özellikleri just gets confusing (where'd I get this IList from - kişi I modify it?), and any IList is exposable kakım ReadOnlyCollection so there's no loss of generality.

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Nothing wrong with wordy types for major API's with small surfaces, but derece bey a general practice inside a large codebase.

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This causes unnecessary boxing/unboxing of value types. One of the benefits of using generics is the avoidance of such boxing/unboxing which could have a detremintal C# ReadOnlyCollectionBase Temel Özellikleri effect on the performance of the collections.