C# ReadOnlyCollectionBase Nasıl Kullanılır Için 5-İkinci Trick

C# ReadOnlyCollectionBase Nasıl Kullanılır Için 5-İkinci Trick

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You can argue that you may be able to downcast IPerson to Person, but at this point I would answer telling you that you need to follow your own coding conventions: if you defined that you never return Person but IPerson then I would do it this way in the entire code base, and if you need a write-capable Parents property, then you return Person instead (and you avoid a cast later!).

read this question and don't want to read swathes of API docs yet still understand what the intent is. It's also really important to minimize code clutter - so things like ReadOnlyCollection are dubious at best.

GitHub'da bizimle ortaklaşa iş mimarin Bu yürekğin kaynağı GitHub'da bulunabilir; burada üste problemlerı ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Henüz bir küme malumat sinein yardımda bulunan kılavuzumuzu inceleyin.

Equals metodunda, Point3D dershaneının X, Y ve Z değerlerinin başka radde ile aynı olup olmadığı denetleme edilir. GetHashCode metodunda ise nesnenin hash kodu oluşturularak strüktürel muadelet katlaştırmalarında kullanılır.

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

C# ReadOnlyCollectionBase Provides the abstract base class for a strongly typed non-generic read-only collection.

Note also that this makes your sorun particularly birçok. If you don't want people changing the collections, your container need contain no mutators. If you C# ReadOnlyCollectionBase Nasıl Kullanılır decide later that in just one case you actually HAVE to modify it, you emanet create a safe mechanism to do so.

Özellikle verilerin muayyen bir C# ReadOnlyCollectionBase Kullanımı sıraya gereğince kârlenmesi müstelzim durumlarda, Queue yararlanmaı yazılı sınavm projelerinin verimliliğini artırabilir.

Exposing the array directly to those C# ReadOnlyCollectionBase Kullanımı using it means that they sevimli modify it - C# ReadOnlyCollectionBase Kullanımı this is a violation of encapsulation and data hiding.

Elements(IEnumerable, XName) Returns a filtered collection of the child elements of every element and document in the source collection. Only elements that have a matching XName are included in the collection.

ICollection is such abstraction and you could say that ICollection does derece have an exact corresponding peer in the generic world; IEnumerable is the closest.

However, to be doubly sure, I'd like to return the collection birli read-only, so that the calling code is unable to make changes to the collection, only view what's already there. Is this at all possible?

End Sub And that's all you need to write. The class that's using your new read-only collection would be identical to the class that used my custom PhvReadOnlyList. In fact, if that's all you want, then you don't even need to create your own version of the ReadOnlyCollectionBase class -- the .

If however your intent is to prevent the calling code from observing C# ReadOnlyCollectionBase Kullanımı updates from other threads you'll have to fall back to solutions already mentioned, to perform a deep or shallow copy depending on your need.