C# ReadOnlyCollectionBase Kullanımı Ile ilgili detaylı notlar

C# ReadOnlyCollectionBase Kullanımı Ile ilgili detaylı notlar

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Don't return a collection directly. Make an accurately named business logic class that reflects the purpose of the collection.

dictionaries). Kakım it turns out, many lists are never changed, or at least never extended. Of course ReadOnlyCollection introduces yet more syntactic noise, and it doesn't even convey quite what I mean; after all ReadOnlyCollection may wrap a mutating

foreach C# dilinin deyimi (for eachVisual Basic'te) numaralandırıcıların kompozitşıklığını gizler. Bu nedenle, numaralandırıcıyı elden geçmek adına kullanılması foreach önerilir.

Note that I split the interface into IReadOnlyMyItem and IWritableMyItem but you don't actually need IWritableMyItem - you could just omit that interface and write:

Now when you use IntelliSense to inspect IReadOnlyList, you’ll no longer see Add among the supported methods. Figure 2 below displays the members of the IReadOnlyList instance.

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?

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

Sam Allen is passionate about computer languages. In the past, his work C# ReadOnlyCollectionBase Nedir saf been recommended by Apple and Microsoft and he has studied computers at a selective C# ReadOnlyCollectionBase Nerelerde Kullanılıyor university in the United States.

This article discusses these read-only immutable collection types in .Safi Core and how you gönül work with them in C#.

jasonjason 240k3535 gold badges431431 silver badges529529 bronze C# ReadOnlyCollectionBase Nasıl Kullanılır badges 2 Really, IEnumerable katışıksız the same issue as IList in principle, but implementing a single extra method (and a single extra property on the enumerator) was hamiş considered a burden, compared to the dozens you would need for IList (which List and indeed ReadOnlyCollection do implement, separately from their generic collection interfaces)

C# IStructuralEquatable, özellikle çeşitli bilgi dokumalarının yahut koleksiyonların gönülğinin strüktürel olarak mukabillaştırılması gereken durumlarda kullanılır. Bu durumlar arasında:

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

1 Also, in the provided case, the best center of knowledge on whether the invoice gönül be paid is the invoice itself, so it must have a property CanBePaid - so, a bit of cleverness eliminates the need to change "in 4 places"

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