C# ReadOnlyCollectionBase Kullanımı Ile ilgili detaylı notlar

C# ReadOnlyCollectionBase Kullanımı Ile ilgili detaylı notlar

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I'm going to start by being perverse and pretending that the ReadOnlyCollectionBase class doesn't exist. If that were true and you wanted to create a read-only collection, you'd create a class that only returned an Enumerator object. A class that just implements IEnumerable is, according to my definitions, a read-only collection class. Generating that GetEnumerator object from your class isn't difficult if you keep your class data in a class that itself implements IEnumerable -- a List, for instance. If you do keep your data in a List, then you emanet use the List GetEnumerator method to retrieve an Enumerator object, which you emanet then return to the program using your class. Listing 1 has the basics of this class (I've called it PhvReadOnlyList).

dictionaries). As 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

. Why derece return IEnumerable? Calling code would have to cast, which they are unlikely to do without knowing the internals of the property they are accessing.

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

GitHub'da bizimle ortaklaşa iş örgün Bu dâhilğin kaynağı GitHub'da bulunabilir; burada üste sorunları ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Daha şu denli haber bâtınin ulamada mevcut kılavuzumuzu inceleyin.

İsimleri farklı olsa da generic sınıflardan sadece 1 tanesi (LinkedList) ağız ağıza değişikdır. Diğerleri generic sıfır akrabalarıyla model şekilde çkızılışmaktadır.

Koleksiyonların Yapısal Karşılaştırması: IStructuralEquatable arabirimi, özellikle diziler ve koleksiyonlar üzere konstrüktif done gestaltlarının muhaliflaştırılması midein kullanılır.

instead. I just included IWritableMyItem for completeness (because it shows how you introduce C# ReadOnlyCollectionBase Nedir a set to an interface property that only saf a get, by using new).

SkipLast(IEnumerable, Int32) Returns a new enumerable collection that contains the elements from source with the last count elements of the C# ReadOnlyCollectionBase Nasıl Kullanılır source collection omitted.

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

DO use the least-specialized type possible as a parameter C# ReadOnlyCollectionBase Nedir type. Most members taking collections as parameters use the IEnumerable interface.

Collaborate with us on GitHub C# ReadOnlyCollectionBase Nasıl Kullanılır The source for this content birey be found on GitHub, where you güç also create and review issues and pull requests. For more information, see our contributor guide.

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

I don't know if there is any way of protecting non-atomic elements without cloning them before placing them in the read only list. Share Improve this answer Follow