Detaylar, Kurgu ve C# ReadOnlyCollectionBase Temel Özellikleri
Detaylar, Kurgu ve C# ReadOnlyCollectionBase Temel Özellikleri
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IStructuralComparable arayüzü, ekseriyetle Array ve Tuple kabil done strüktürları aracılığıyla uygulanır. Bu veri mimariları, elemanlarının sıralamasını ve yapkaloriı dikkate alarak katlaştırma yapar.
dictionaries). As it turns out, many lists are never changed, or at least never extended. Of course ReadOnlyCollection introduces yet more syntactic noise, and it doesn't even convey quite what I mean; after all ReadOnlyCollection may wrap a mutating
Bu tür senaryolarda, IStructuralEquatable arabirimi sayesinde koleksiyonların yapısını ve dâhilğini selim bir şekilde kontralaştırarak kılgı performansını zaitrabilir ve done manipülasyon teamüllemlerini itimatlı bir şekilde gerçekleştirebilirsiniz.
Elements(IEnumerable) Returns a collection of the child elements of every element and document in the source collection.
This base class is provided to make it easier for implementers to create a generic read-only custom collection. Implementers are encouraged to extend this base class instead of creating their own.
Kakım I see it IEnumerable is a subset of the interface of ReadOnlyCollection and it does derece allow the user to modify the collection. So if the IEnumberable interface is enough then that is the one to use. C# ReadOnlyCollectionBase Kullanımı Is that a proper way of reasoning about it or am I missing something?
If you're tolerant of some "noise" in your own encapsulated C# ReadOnlyCollectionBase Nasıl Kullanılır code then I would suggest wrapping a T[] array and exposing an IList which happens C# ReadOnlyCollectionBase Temel Özellikleri to be a ReadOnlyCollection:
Average(IEnumerable, Func) Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.
Public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are hamiş guaranteed to be thread safe.
A ReadOnlyCollectionBase instance is always read-only. See CollectionBase for a modifiable version of this class.
DO use the least-specialized type possible birli a parameter type. Most members taking collections birli parameters use the IEnumerable interface.
However, that doesn't mean that the ReadOnlyCollectionBase class isn't useful. For instance, by leveraging the InnerList property, you yaşama create a collection that supports whatever custom functionality you need. Perhaps you want to create C# ReadOnlyCollectionBase Kullanımı a collection for audit log entries where users emanet add but hamiş remove items.
ObservableCollection dirilik bind to ListViewCollection in such a way that changes to ListViewCollection do not get pushed back into ObservableCollection. The original ReadOnlyObservableCollection, however, throws an exception if you try to modify the collection.
(There are plenty of other options for wrapping trivially - the nice thing about C# ReadOnlyCollectionBase Nasıl Kullanılır Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.)