Hakkında herşey C# ReadOnlyCollectionBase Nasıl Kullanılır

Hakkında herşey C# ReadOnlyCollectionBase Nasıl Kullanılır

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This doesn't create a copy of list. ReadOnlyCollection doesn't copy the veri, it works directly on the supplied list. See documentation:

Define your own class which implements IEnumerator, takes an IList in the new constructor, katışıksız a read only default item property taking an index, and does derece include any properties/methods that could otherwise allow your list to me manipulated.

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

As you suggest, my intention is only to protect the collection from direct modification; the collection members are not going to be modified (or needed to be modified).

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

Your implementation depends on your needs: - If you don't care about the caller (Class B) from seeing any further changes to the collection then you güç just clone the collection, hand it out, and stop caring. - If you definitely need the caller (Class B) to see changes that are made to the collection, and you want this to be thread-safe, then you have more of a sorun on your hands.

1. The reason for hamiş choosing ReadOnlyCollectionBase is simple - it isn't generic, while the aim of ReadOnlyCollection is to be generic. Thus it needs a much different inheritance tree.

; but this question convinced me to go ahead and announce an open source project I've had C# ReadOnlyCollectionBase Nerelerde Kullanılıyor in the works for a while (still a work in progress, but there's some useful stuff in there), which includes an IArray interface (and implementations, naturally) that I think captures exactly what you want here: an indexed, read-only, even covariant

Any idea why IList doesn't inherit from ICollection? Since the latter is basically IEnumerable plus Count, and since IList already katışıksız a Count C# ReadOnlyCollectionBase Temel Özellikleri method, having IList inherit ICollection wouldn't have required any more work for implementers, but would have allowed someone with an IList to know how many items C# ReadOnlyCollectionBase Temel Özellikleri to expect from an enumeration.

In short: I think your question is covered with a perfectly good answer by C# ReadOnlyCollectionBase Nedir Jon Skeet - ReadOnlyCollection or IEnumerable for exposing member collections?

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

SequenceEqual(IEnumerable, IEnumerable) Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type.

GetHashCode Metodu: Nesnenin konstrüktif özelliklerine dayalı olarak bir hash kodu üretir. Bu, koleksiyonların hızlı bir şekilde hakkındalaştırılmasını katkısızlar.

(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.)