C# ReadOnlyCollectionBase Nasıl Kullanılır Için 5-İkinci Trick

C# ReadOnlyCollectionBase Nasıl Kullanılır Için 5-İkinci Trick

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Don't return a collection directly. Make an accurately named business logic class that reflects the purpose of the collection.

In programs, an immutable collection dirilik be used with less copying—we do derece need to worry about it being modified. This kişi make programs simpler and easier to reason about.

Marc GravellMarc Gravell 1.0m271271 gold badges2.6k2.6k silver badges2.9k2.9k bronze badges 3 1 I would second here on using the readonly keyword for the variable kakım well. Without this, anyone might fall into an impression that since the collection is of type ReadOnlyCollection so I'm completely safe from any possibility of changes being done to my collection when it is not the case.

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

Now when you use IntelliSense to inspect IReadOnlyList, you’ll no longer see Add among the supported methods. Figure 2 below displays the members of the IReadOnlyList instance.

The single C# ReadOnlyCollectionBase Nedir line of code required by my extension method just instantiates my PhvReadOnly class (using the datatype that the extension method has deduced), passing whatever C# ReadOnlyCollectionBase Kullanımı IList object the extension method is being used on.

Koleksiyonların Strüktürel Huzurlaştırması: IStructuralEquatable arabirimi, özellikle diziler ve koleksiyonlar üzere strüktürel veri strüktürlarının huzurlaştırılması muhtevain kullanılır.

Important Some information relates to prerelease product that may be C# ReadOnlyCollectionBase Nerelerde Kullanılıyor substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

It's derece a concrete type C# ReadOnlyCollectionBase Kullanımı like ReadOnlyCollection, so it doesn't tie you down to a specific implementation.

Important Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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

Inheriting from a non-generic base class would be ineffecient. If the type was using a non-generic base, all it would be would be a thin layer above the base collection, where the generic features would simply derive from casting from the underlying object instances of the base collection.

I was looking for a similar solution, but I wanted to still be able to C# ReadOnlyCollectionBase Nerelerde Kullanılıyor modify the collection from inside the class so I chose the option outlined here: In short, his example is: public class MyClass

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