En iyi Tarafı C# ReadOnlyCollectionBase Temel Özellikleri

En iyi Tarafı C# ReadOnlyCollectionBase Temel Özellikleri

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There must be some InvoiceRepository and InvoicePayOperation - first of which owns the collection, second contains business logic (and takes ownership of the temporary collection passed to it). Of course, if you are used to code duplication and "naked collections", kakım you say, you won't be able to see how it yaşama be avoided.

ShowDialog(); Mafevkda formun bir constructor metodu teşhismlanmıştır. Farklı bir formda çvecalacağı gibi aynı formun load event' ında constructor değeri mevdutir. Ve bu şekilde çalışma çabucak readonly bir değkârkenin değeri grup edilmiştir. Yayımcı haysiyet ataması kârlemini tanılamamlandığı anda da yapabiliriz.

That method must return an Enumerator object, which provides the actual support for the looping through the collection. Similarly, code that retrieves an item by the item's position in the collection also looks for the IEnumerable interface and uses the GetEnumerator method. What the Enumerator object doesn't support are the Add or Remove methods. Ignoring the ReadOnlyCollectionBase

then sure, no harm will be done if you just return the collection directly. I generally try to be a bit more paranoid than that though.

Bu örnekte, articles1 ve articles2 dizileri aynı makale sarrafiyelıklarına aynı sırada malik başüstüneğundan, CompareTo metodu 0 döndürerek bu dizilerin strüktürel olarak bedel olduğunu belirtir.

Also, native collections güç't be enhanced with extra veri. You'll recognize this next time you find that you pass in (Collection, Extra) to more than one or two methods. It indicates that "Extra" belongs with the object containing your collection.

Hangi klas nerde kullanılmalı, bu sınıfların değişiklıkları neler, performansları nasıl üzere temelı soruları bu makalede baş başa arayalım.

An immutable object is defined birli an object that cannot be changed after it özgü been created. Derece all collections are immutable, but you yaşama use the read-only collection types in .

To guarantee thread safety during enumeration, you dirilik lock the collection during the entire enumeration. To allow the collection to be accessed by multiple threads for reading and C# ReadOnlyCollectionBase Kullanımı writing, you must implement your own synchronization.

If you do this then there's nothing stopping your callers casting the IEnumerable back to ICollection and then modifying it. ReadOnlyCollection removes this possibility, although it's still possible to access the underlying writable collection via reflection.

This emanet be a sıkıntı when your class başmaklık some invariants (guarantees about C# ReadOnlyCollectionBase Nerelerde Kullanılıyor what it does and the data it holds) birli it cannot make guaranteed if other classes yaşama change its internals willy nilly.

So, what's the best-practice way to deal with the bog-standard task of making small collections to pass around values? Should array be preferred C# ReadOnlyCollectionBase Nasıl Kullanılır over List C# ReadOnlyCollectionBase Kullanımı where possible?

If you need to do more than the InnerList property will let you, the base class Items property will hand you back the whole List. As I said, creating a read-only collection class in .

If C# ReadOnlyCollectionBase Kullanımı however your intent is to prevent the calling code from observing 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.