En C# ReadOnlyCollectionBase Kullanımı Sırları

En C# ReadOnlyCollectionBase Kullanımı Sırları

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You've probably identified what pattern the PhvReadOnlyList implements: it's a wrapper. In the .Kupkuru Framework 4.0 or earlier, the wrapper class that you'd really use to create a read-only list would be the .Safi ReadOnlyCollectionBase class. As with my example, you use the ReadOnlyCollectionBase class to create your own class with whatever functionality you need -- but you don't need to write the GetEnumerator method or create your own UnderlyingList because the ReadOnlyCollectionBase handles both.

An instance of the ReadOnlyCollection generic class is always read-only. A collection that is read-only is simply a collection with a wrapper that prevents modifying the collection; therefore, if changes are made to the underlying collection, the read-only collection reflects those changes. See Collection for a modifiable version of this class.

Bu tür senaryolarda, IStructuralEquatable arabirimi yardımıyla koleksiyonların yapkaloriı ve yürekğini namuslu bir şekilde huzurlaştırarak pratik performansını zaitrabilir ve data manipülasyon medarımaişetlemlerini muteber bir şekilde gerçekleştirebilirsiniz.

Objects everywhere), and it makes the construction wordier (yaşama't use .ToList or collection initializers). And it doesn't really communicate intent either: such a list suggests you could add/remove values, or change them: but that's hamiş typical usage at all.

A collection that is read-only is simply a collection with a wrapper that prevents modifying the collection; therefore, if changes are made to the underlying collection, the read-only collection reflects those changes.

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

Collections enable you to allocate memory dynamically C# ReadOnlyCollectionBase Nedir to store elements and then retrieve them using a key or index birli needed.

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

C# Queue klası kullanmaı nispeten basittir ve çeşitli adımları kucakerir. Bu adımları düz bir şekilde izleme ederek, Queue derslikını cömert bir şekilde kullanabilirsiniz. İşte temel adımlar ve detayları:

In Visual Basic, an extension method must be declared inside a Module and decorated with the Extension attribute. Its first parameter specifies the kind of object to which it will attach itself. I want my extension method to appear in the IntelliSense dropdown lists for any class that implements the IList interface, so I'll declare the method's first C# ReadOnlyCollectionBase Nerelerde Kullanılıyor (and only) parameter bey IList(of T) -- the compiler will figure out the type that T represents based on the List passed to my method.

Descendants(IEnumerable) Returns a collection of elements that contains the descendant elements of every element and document in the source collection.

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

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

4 Ilkgüz 2012 Fizik Okumuş C# Readonly teşhismlı değfiilkeni salt okunur moduna getirmektedir. Doğrusu readonly olarak C# ReadOnlyCollectionBase Kullanımı teşhismlanan bir değişici sadece okunabilmektedir. Setleme teamüllemi değsorunkenin oluşturulduğu anda ya C# ReadOnlyCollectionBase Temel Özellikleri da oluşturulan dershaneın constructor metodu içerisinde kuruluşlmaktadır.