C# ReadOnlyCollectionBase Kullanımı Ile ilgili detaylı notlar

C# ReadOnlyCollectionBase Kullanımı Ile ilgili detaylı notlar

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This doesn't create a copy of list. ReadOnlyCollection doesn't copy the data, it works directly on the supplied list. See documentation:

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

Marc GravellMarc Gravell 1.0m271271 gold badges2.6k2.6k silver badges2.9k2.9k bronze badges 3 1 I would second here on using the readonly keyword for the variable birli well. Without this, anyone might fall into an impression that since the collection is of type ReadOnlyCollection so I'm completely safe from any possibility of changes being done to my collection when it is hamiş the case.

Kakım the last point states, you shouldn't avoid ReadOnlyCollection like you were suggesting. It is a very useful type to use for public members to inform the consumer of the limitations of the collection they are accessing.

Summary. The ReadOnlyCollection functions bey a wrapper for any collection that implements IList. It adds a level of indirection that reduces possible changes.

Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Int32 values that C# ReadOnlyCollectionBase Nasıl Kullanılır are obtained by invoking a transform function on each element of the input sequence.

Bu harf, kuyruğun C# ReadOnlyCollectionBase Nerelerde Kullanılıyor başındaki elemanı basEleman değteamülkenine atar ancak kuyruğun yapkaloriı değiştirmez.

Kodunuzda aynı meselelemi takkadak bir araba yol kullanmanız gerekiyorsa, bu sorunlemi bir metot dâhiline koyabilirsiniz ve tekrar yeniden aynı kodu yazmanız gerekmez. Bu sayede kodunuz elan azca muhtelitşık hale gelir ve daha palas yönetilebilir.

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.

Hatta, metotlar projenizin bakımını ve güncellemesini kolaylaştırır ve performansınızı zaitrabilir. Bu nedenle, C# programlama dilinde metot istimal etmek, bir projeyi henüz düzgün ve elan müessir hale getirmenin önemli bir yoludur.

One might hamiş realize that the collection is read-only but the variable pointing to it is not. What a ReadOnlyCollection would mean if I dirilik reassign the variable itself to a new collection altogether. +1.

SingleOrDefault(IEnumerable, Func) C# ReadOnlyCollectionBase Temel Özellikleri Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.

You birey loop over the ReadOnlyCollection using the foreach-loop. A for-loop is also possible with the Count property and indexer. CopyTo provides C# ReadOnlyCollectionBase Nedir a way to copy the elements to an array. You must allocate the array yourself.

One should note that aku's answer will only protect the list bey being read only. Elements in the C# ReadOnlyCollectionBase Temel Özellikleri list are still very writable.