Bir Unbiased Görünüm C# ReadOnlyCollectionBase Temel Özellikleri

Bir Unbiased Görünüm C# ReadOnlyCollectionBase Temel Özellikleri

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You dirilik 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!).

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

In a multithreaded environment, this is even more of an issue, as one thread can make changes to the data while another is trying to read data - you yaşama easily get inconsistent data in different threads.

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Summary. The ReadOnlyCollection functions kakım a wrapper for any collection that implements IList. It adds a level of indirection that reduces possible changes.

Anyway, I believe that a domain object should be read-write, because at the end of the day, a domain object describes an entity within the domain and you should be able to access and modify it.

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.

protected virtual ICollection EmployeesInternal get; private kaş; = new List(); // this will expose collection contents to public, seemingly unneccessary `Skip` statement will prevent casting back to Collection

Public static C# ReadOnlyCollectionBase Nerelerde Kullanılıyor (Shared in Visual Basic) members of this type are thread safe. Any instance members are derece guaranteed to be thread safe.

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C# IStructuralEquatable, özellikle çeşitli done gestaltlarının yahut koleksiyonların dâhilğinin konstrüktif olarak karşılaştırılması gereken durumlarda kullanılır. Bu durumlar arasında:

However, a read-only collection doesn't provide Add and Remove methods for changing which items are in the collection, though the items themselves C# ReadOnlyCollectionBase Temel Özellikleri may be updateable (it's the responsibility of the items in the collection to protect themselves from changes).

End Sub And that's all you need to write. C# ReadOnlyCollectionBase Nedir 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, C# ReadOnlyCollectionBase Nasıl Kullanılır then you don't even need to create your own version of the ReadOnlyCollectionBase class -- the .

I don't know if there is any way of protecting non-atomic elements without cloning them before placing them in the read only list. Share Improve C# ReadOnlyCollectionBase Kullanımı this answer Follow