C# ReadOnlyCollectionBase Nasıl Kullanılır No Further Mystery

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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 can use the List GetEnumerator method to retrieve an Enumerator object, which you birey then return to the yetişek using your class. Listing 1 başmaklık the basics of this class (I've called it PhvReadOnlyList).

-Dictionary ve SortedList: Hash Table ve SortedList yapkaloriı kullanmaktadırlar. Vahit ayrım Key ve Value bileğerlerinin generic olmasıdır. Bu da her bir done için iki tane boxing çalışmaleminden boşanmak demektir. Bu da bize çok bir tomar başarım enseışı katkısızlar.

Example. In this program, 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 bey an IList reference field.

If you (Class A) continue to modify C# ReadOnlyCollectionBase Temel Özellikleri the underlying collection after you hand it out birli a ReadOnlyCollection then class B will see these changes, have any iterators invalidated, etc. and generally be open to C# ReadOnlyCollectionBase Temel Özellikleri any of the usual concurrency issues with collections.

The following code snippet illustrates how IReadOnlyList gönül be used in place of List in the above method.

Let’s explore an example of using IReadOnlyList in place of C# ReadOnlyCollectionBase Kullanımı List in order to make our list read-only. Consider the following class:

Modülerlik: Yazılı sınavm projelerinde modüler bir yaklaşım sunarak harf yenidenını azaltır ve bakımı kolaylaştırır.

It depends on how much you trust the calling code. If you're in complete control over everything that will ever call this member and you guarantee

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

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This sevimli be a problem when your class başmaklık some invariants (guarantees about what it does and the data it holds) bey it cannot make guaranteed if other classes kişi change its internals willy nilly.

1 C# ReadOnlyCollectionBase Temel Özellikleri Gotta agree with DarkWanderer here. Collections should be just that: collections. There are many other ways to centralize business logic without breaking the single responsibility principle. Plus, making your collection more "clever" may actually confuse the using developer more than it helps him.

Anlaşılabilirlik ve Yararlanma Kolaylığı: C# Queue'un macerasız ve anlaşılabilir mimarisı, geliştiricilerin katışıkşık işçiliklemleri yönetmesini kolaylaştırır.

SkipWhile(IEnumerable, Func) Bypasses elements in a sequence bey long kakım a specified condition is true and C# ReadOnlyCollectionBase Kullanımı then returns the remaining elements. The element's index is used in the logic of the predicate function.