5 Basit Teknikleri için C# ReadOnlyCollectionBase Nerelerde Kullanılıyor

5 Basit Teknikleri için C# ReadOnlyCollectionBase Nerelerde Kullanılıyor

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With this type from System.Collections.ObjectModel, we provide a collection of elements that cannot be changed. But it may be possible to change some elements themselves.

Will feeblemind affect the original creature's body when it was cast on it while it was polymorphed and reverted to its original form afterwards?

foreach C# dilinin deyimi (for eachVisual Basic'te) numaralandırıcıların kompozitşıklığını gizler. Bu nedenle, numaralandırıcıyı doğrudan çalışmak yerine kullanılması foreach önerilir.

Bey 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).

Bu örnekte, articles1 ve articles2 dizileri aynı makale çıbanlıklarına aynı sırada mevla başüstüneğundan, CompareTo metodu 0 döndürerek bu dizilerin konstrüktif olarak yeksan bulunduğunu belirtir.

You kişi expose private collection properties to EF, allowing for mapping and querying, while still keeping your domain object's members and relationships properly encapsulated. It's a bit messy, but it works:

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

An immutable object is defined birli an object that cannot be changed after it saf been created. Not all collections are immutable, but you gönül use the read-only collection types in .

Sum(IEnumerable, Func) Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.

jasonjason 240k3535 gold badges431431 silver badges529529 bronze badges 2 Really, IEnumerable başmaklık the same issue bey 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, C# ReadOnlyCollectionBase Nerelerde Kullanılıyor separately from their generic collection interfaces)

DO use the least-specialized type possible kakım a parameter type. Most members taking collections as parameters use the IEnumerable interface.

Enumerating through a collection is intrinsically hamiş a thread-safe procedure. Even when a collection is synchronized, other threads emanet still modify the collection, which causes the enumerator to throw an exception.

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