C# ReadOnlyCollectionBase Nasıl Kullanılır Aptallar için

C# ReadOnlyCollectionBase Nasıl Kullanılır Aptallar için

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You güç argue that you may be able to downcast IPerson to Person, but at this point I would answer telling you that you need to follow your own coding conventions: if you defined that you never return Person but IPerson then I would do it this way in the entire code base, and if you need a write-capable Parents property, then you return Person instead (and you avoid a cast later!).

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

If your data sevimli be enumerated, you güç use Enumerable.ToList method to cast your collection to List and call AsReadOnly on it.

I currently have return data; wrapped by a ReaderWriterLockSlim to protect the collection from sharing violations.

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

A ReadOnlyCollection yaşama support multiple C# ReadOnlyCollectionBase Temel Özellikleri readers concurrently, birli long bey the collection is not modified. Even so, enumerating through a collection is intrinsically derece a thread-safe procedure.

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

Finally, the code example creates an array larger than the collection and uses the CopyTo method to insert the elements of the collection into the middle of the array.

Upgrade C# ReadOnlyCollectionBase Kullanımı to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

However, the syntax is awkward. Adding an extension method birey simplify that syntax tremendously. Extension methods have at C# ReadOnlyCollectionBase Temel Özellikleri least three convenient features: The first is that they attach themselves to whatever classes you specify, C# ReadOnlyCollectionBase Nasıl Kullanılır automatically appearing in the IntelliSense dropdown lists for those objects; second, they're automatically passed whatever object C# ReadOnlyCollectionBase Kullanımı they're called from kakım their first parameter; third, when an extension method is used with a generic class (for instance, List), the method automatically figures out the data type of the generic parameter.

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

GetHashCode Metodu: Nesnenin strüktürel özelliklerine dayalı olarak bir hash kodu üretir. Bu, koleksiyonların hızlı bir şekilde zıtlaştırılmasını esenlar.

In the class that exposes a read-only property based on PhvReadOnlyList, you still need an ordinary List, with its Add and Remove methods, so that your class güç put items in the List both before and after creating a PhvReadOnlyList from it.