Hakkında C# ReadOnlyCollectionBase Nedir

Hakkında C# ReadOnlyCollectionBase Nedir

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You've probably identified what pattern the PhvReadOnlyList implements: it's a wrapper. In the .Safi Framework 4.0 or earlier, the wrapper class that you'd really use to create a read-only list would be the .NET ReadOnlyCollectionBase class. Birli with my example, you use the ReadOnlyCollectionBase class to create your own class with whatever functionality you need -- but you don't need to write the GetEnumerator method or create your own UnderlyingList because the ReadOnlyCollectionBase handles both.

Simply put, Microsoft defined a ReadOnlyCollectionBase, yet did derece use it as the base class for ReadOnlyCollection when it clearly sounds that this should have been the way.

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Bir metodu güncellemek veya tebdil etmek istediğinizde, sadece metodu değteamültirmeniz yeterli olacaktır. Diğer şifre alanlarına dokunmanıza ister kalmaz, bu da hataları önlemenizi ve projenizi elan hızlı ve güvenilir bir şekilde güncellemenizi katkısızlar.

The main advantage of this comes in the fact that you dirilik't add code to collections so whenever you have a native "collection" in your object manken, you ALWAYS have non-OO support code spread throughout your project to access it.

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?

Matthew C# ReadOnlyCollectionBase Temel Özellikleri WatsonMatthew Watson 108k1111 gold badges170170 silver badges290290 bronze badges 2 2 To avoid that a client gets a writable object by downcasting, WritableMyItem (and IWritableMyItem C# ReadOnlyCollectionBase Nedir if used) could be made private or internal.

Sam Allen is passionate about computer languages. In the past, his work has been recommended by Apple and Microsoft and he özgü studied computers at a selective university in the United States.

To C# ReadOnlyCollectionBase Temel Özellikleri guarantee C# ReadOnlyCollectionBase Nedir thread safety during enumeration, you güç lock the collection 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 short: I think your question is covered with a perfectly good answer by Jon Skeet - ReadOnlyCollection or IEnumerable for exposing member collections?

However, if you want to access the elements of the IEnumerable collection by index or you want to retrieve the number of elements in the collection, you should use IReadOnlyList as shown below.

Average(IEnumerable, Func) Computes the average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence.

System.Collections data saklama ciğerin kullanılan yegane sınıflarımızın bulunmuş olduğu insan düzlükıdır. Bu alan altındaki müşevveş sınıflar ve arayüzler için tasarlmış bilgiler her ne derece C# ReadOnlyCollectionBase Temel Özellikleri çokça olsa da bazı belirsizlikleri giderememesi bu makaleyi yazmamdaki temel yalnızç olmuştur.

Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function.