The Ultimate Guide To C# ReadOnlyCollectionBase Nasıl Kullanılır

The Ultimate Guide To C# ReadOnlyCollectionBase Nasıl Kullanılır

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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:

This class makes the underlying collection available through the InnerList property, which is intended for use only by classes that are derived directly from ReadOnlyCollectionBase. The derived class must ensure that its own users cannot modify the underlying collection.

Example. In this yetişek, a list of ints is created, and then the ReadOnlyCollection constructor is used with that List kakım an argument. Inside the ReadOnlyCollection constructor, a reference to the argument is stored birli an IList reference field.

Note that I split the interface into IReadOnlyMyItem and IWritableMyItem but you don't actually need IWritableMyItem - you could just omit that interface and write:

Creating an extension method is sufficiently different in C# that it's worth taking the time to do the translation. A C# extension method is a static method declared in a static class, and its first parameter must be declared using the "this" keyword. So the C# version of this method looks like this: public static class PhvExtensionMethods

For this collection to be useful, however, you need to be able to load that internal list with your C# ReadOnlyCollectionBase Nedir collection. The easiest way to do that is to add a constructor to the class that accepts the List to be put in the class' UnderlyingList collection (again, I'm accepting anything that implements the IList interface with the data type specified by T): Public Sub New(InitialList Kakım IList(Of T)) UnderlyingList = InitialList

Bu harf, kuyruğun başındaki elemanı basEleman değhizmetkenine atar ancak kuyruğun yapısını bileğmaslahattirmez.

In my example I exposed C# ReadOnlyCollectionBase Temel Özellikleri it all, but you don't have to do this. You hayat make it read-only if you want, or validate additions to the list, prior to adding them.

Note that the IReadOnlyList interface works similarly to List and in fact yaşama be used in C# ReadOnlyCollectionBase Temel Özellikleri place of List when you want the C# ReadOnlyCollectionBase Temel Özellikleri elements of the list to be read-only. We will illustrate this with an example in the next section.

What C# ReadOnlyCollectionBase Nerelerde Kullanılıyor is the term for when a hyperlink maliciously opens different URL from URL displayed when hovered over?

İlgili etiketler: (object atandiginda ayrica bellekte boxing dolayisiyla generic hashtable interface kullanilan object sinifi sortedlist kazandırmak yaklasik C# / VC#/.Kupkuru Serkan Yazıcıoğlu  

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

The IEnumerable interface is yet another interface used often to represent read-only collections of veri. If you simply want to enumerate the elements of a collection, you yaşama use IEnumerable kakım shown below.

Verimlilik: Kuyruk örgüsı, verilerin sıralı olarak nöbetlenmesi müstelzim dayanıklı çok senaryoda kullanılır ve bu hava nominalmın performansını artırabilir.