En iyi Tarafı C# ReadOnlyCollectionBase Temel Özellikleri

En iyi Tarafı C# ReadOnlyCollectionBase Temel Özellikleri

Blog Article

To guarantee thread safety during enumeration, you gönül either lock the collection during the entire enumeration or catch the exceptions resulting from changes made by other threads.

Is there any reason to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?

I was thinking about creating a new class derived from ReadOnlyCollection (class ReadOnlyMyCollection : ReadOnlyCollection or class ReadOnlyMyCollection : ReadOnlyCollection) which returns the read-only wrapper class (ReadOnlyMyItem) through the square brackets operator, but either the square brackets operator is hamiş marked kakım virtual and the return type is not even the same or the constructor doesn't have an IList of the wrapper class (IList) to use. Should I build the class (ReadOnlyMyCollection) from scratch?

Objects everywhere), and it makes the construction wordier (yaşama't use .ToList or collection initializers). And it doesn't really communicate intent either: such a list suggests you could add/remove values, or change them: but that's hamiş typical usage at all.

Coming soon: Throughout 2024 we will be phasing out GitHub Issues kakım the feedback mechanism for content and replacing it with a new feedback system. For more information see: .

Note The StringBuilder references themselves are read-only, but the memory pointed to by the references are still mutable.

Koleksiyonların Strüktürel Muhaliflaştırması: IStructuralEquatable arabirimi, özellikle diziler ve koleksiyonlar kabil konstrüktif muta konstrüksiyonlarının muhaliflaştırılması derunin kullanılır.

GitHub'da bizimle ortaklık örgün Bu içeriğin kaynağı GitHub'da bulunabilir; burada hatta sorunları ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Daha şu denli bilim ciğerin ulamada mevcut kılavuzumuzu inceleyin.

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

In Visual Basic, an extension method must be declared inside a Module and decorated with the Extension attribute. Its first parameter specifies the kind of object to which it will attach itself. I want my extension method to appear C# ReadOnlyCollectionBase Kullanımı in the IntelliSense dropdown lists for any class that implements the IList interface, so I'll declare the method's first (and only) parameter kakım IList(of T) -- C# ReadOnlyCollectionBase Kullanımı the compiler will figure out the type that T represents based on the List passed to my method.

DO use the least-specialized type possible as a parameter type. Most members taking collections birli parameters use the C# ReadOnlyCollectionBase Nerelerde Kullanılıyor IEnumerable interface.

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 over List where possible?

If you need to do more than C# ReadOnlyCollectionBase Nasıl Kullanılır 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 .

One should note that aku's answer will only protect the list kakım being read only. Elements in the list are still very writable.