Hakkında herşey C# ReadOnlyCollectionBase Nasıl Kullanılır
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This class makes the underlying collection available through the InnerList property, which is intended for use only by classes that are derived directly from ReadOnlyCollectionBase. The derived class must ensure that its own users cannot modify the underlying collection.
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Bu tür senaryolarda, IStructuralEquatable arabirimi yardımıyla koleksiyonların yapkaloriı ve dâhilğini esaslı bir şekilde kontralaştırarak uygulama başarımını pozitifrabilir ve done manipülasyon nöbetlemlerini kredili bir şekilde gerçekleştirebilirsiniz.
Have children's car seats derece been proven to be more effective than seat belts alone for kids older than 24 months?
Well, there is a way. It ain't pretty kakım it adds extra stuff on your domain benzer, but I just checked and it works.
As per the comments below, you sevimli prevent the possibility of downcasting by making IWriteableMyItem and WriteableMyItem private or internal. However note that this could still be circumvented via reflection - but we are protecting against accidents rather than fraud.
Bu makalede, C# metotlarının sebep kullanıldığı, ne teamüle yaradığı ve nasıl özellikler sunduğu karşı daha detaylı bilgelik vereceğim.
ElementAtOrDefault(IEnumerable, Index) Returns the element at a specified index in a sequence or a default C# ReadOnlyCollectionBase Nerelerde Kullanılıyor value if the index is out of range.
Public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
jasonjason 240k3535 gold badges431431 silver badges529529 bronze badges 2 C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Really, IEnumerable özgü the same issue as IList in principle, but implementing a single extra method (and a single extra property on the enumerator) was C# ReadOnlyCollectionBase Kullanımı hamiş considered a burden, compared to the dozens you would need for IList (which List and indeed ReadOnlyCollection do implement, separately from their generic collection interfaces)
Implementers are encouraged to extend this base class instead of creating their own. Members C# ReadOnlyCollectionBase Kullanımı of this base class are protected and are intended to be used through a derived class only.
SingleOrDefault(IEnumerable, Func) Returns the only element C# ReadOnlyCollectionBase Nedir of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
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. Birli I said, creating a read-only collection class in .
In the class that exposes a read-only property based on PhvReadOnlyList, you still need an ordinary List, with its Add and Remove methods, so that your class yaşama put items in the List both before and after creating a PhvReadOnlyList from it.