En iyi Tarafı C# ReadOnlyCollectionBase Temel Özellikleri

En iyi Tarafı C# ReadOnlyCollectionBase Temel Özellikleri

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Best practice to create typed collections/lists with internal or private Add, Remove functionality? 2

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

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

then sure, no harm will be done if you just return the collection directly. I generally try to be a bit more paranoid than that though.

The IReadOnlyDictionary interface provides a read-only view of a dictionary and represents a read-only collection of key/value pairs. The following code snippet illustrates how you güç define an IReadOnlyDictionary instance.

Bey per the comments below, you güç prevent the possibility of downcasting by making IWriteableMyItem and WriteableMyItem private or internal. However note that this could still be circumvented via reflection - C# ReadOnlyCollectionBase Nerelerde Kullanılıyor but we are protecting against accidents rather than fraud.

4) If you suddenly realise that your collection of choice is inefficient, you hayat change the underlying collection type without having to go and change all the places C# ReadOnlyCollectionBase Kullanımı where it got passed kakım a parameter (hayat you imagine the trouble you might C# ReadOnlyCollectionBase Temel Özellikleri have with, say, List?)

dip derece: BitArray ve LinkedList sınıflarının tasarruf amacı farklı olduğundan teste yayımcı tutmaya lüzum görmedim.

I've implemented AReadOnlyList bey a read-only property because I'm assuming that if you don't want programs adding or removing items from your collection, you probably don't want programs shoving whole new collections into your property, either. Simplifying Code with Extension Methods

A ReadOnlyCollectionBase instance is always read-only. See CollectionBase for a modifiable version of this class.

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Inheriting from a non-generic base class would be ineffecient. If the type was using a non-generic base, all it would be would be a thin layer above the base collection, where the generic features would C# ReadOnlyCollectionBase Temel Özellikleri simply derive from casting from the underlying object instances of the base collection.

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

Is Légal’s reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?