C# ReadOnlyCollectionBase Nasıl Kullanılır Için 5-İkinci Trick

C# ReadOnlyCollectionBase Nasıl Kullanılır Için 5-İkinci Trick

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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 veri in a class that itself implements IEnumerable -- a List, for instance. If you do keep your veri in a List, then you birey use the List GetEnumerator method to retrieve an Enumerator object, which you gönül then return to the izlence using your class. Listing 1 katışıksız the basics of this class (I've called it PhvReadOnlyList).

-SortedDictionary: Bu koleksiyon HashTable ve SortedList sınıflarının yoğurulmasıyla oluşmuş bir sınıftır. Aralarında çok zarif farklar vardır. SortedList’ten elan bir küme akıl kullanır.

DescendantNodes(IEnumerable) Returns a collection of the descendant nodes of every document and element in the source collection.

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

Do S&P 500 funds run by different investment companies have different performance based on the buying / selling speed of the company? more hot questions

Koleksiyonların C# ReadOnlyCollectionBase Nedir Konstrüktif Karşıtlaştırması: IStructuralEquatable arabirimi, özellikle diziler ve koleksiyonlar kadar konstrüktif data strüktürlarının katlaştırılması sinein kullanılır.

ElementAtOrDefault(IEnumerable, Index) Returns the element at a specified index in a sequence or a default value if the index is out of range.

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

API Entegrasyonu: Dış API'lerden alınan verileri çalışmak ve yönetmek bağırsakin kullanılabilir, bu da icraat arası veri verişini kolaylaştırır.

Nothing wrong with wordy types C# ReadOnlyCollectionBase Temel Özellikleri for major API's with small surfaces, but not birli a general practice inside a large codebase.

First, some definitions: A read-only collection is like C# ReadOnlyCollectionBase Nasıl Kullanılır a List in that it supports iterating through the items with a For…Each loop or C# ReadOnlyCollectionBase Kullanımı retrieving an item in the collection by position.

On the other hand, let's say you have a ReadOnlyCollection(StringBuilder). This is kind of a strange thing to have, but it is acceptable. You güç still change the individual StringBuilder objects by accessing their methods.

(There are plenty of other options for wrapping trivially - the birçok thing about Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.)