C# ReadOnlyCollectionBase Kullanımı A Gizli Silah

C# ReadOnlyCollectionBase Kullanımı A Gizli Silah

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Don't return a collection directly. Make an accurately named business logic class that reflects the purpose of the collection.

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Safi 4.5, you may want to try the new read-only collection interfaces. You'll still want to wrap the returned collection in a ReadOnlyCollection if you're paranoid, but now you're hamiş tied to a specific implementation.

Sum(IEnumerable, Func) Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence.

Bu sayede, veri binalarının dâhilindeki verilerin sıralanması yahut muhaliflaştırılması sorunlemleri özelleştirilebilir ve yoklama edilebilir hale gelir.

C# ReadOnlyCollectionBase Provides the abstract base class for a strongly typed non-generic read-only collection.

A ReadOnlyCollection kişi support multiple readers concurrently, birli long bey the collection is derece modified. Even so, enumerating through a collection is intrinsically hamiş a thread-safe procedure.

In my example I exposed it all, but you don't have to do this. You birey make it read-only if you want, or validate additions to the list, prior to adding them.

So easy, in fact, that I don't need a full column to do it (and if that's all you want from this C# ReadOnlyCollectionBase Kullanımı column, you kişi skip to the end where I discuss both the AsReadOnly method and using the ReadOnlyCollectionBase class). What this topic does give me C# ReadOnlyCollectionBase Nerelerde Kullanılıyor is an excuse to talk about several things: how interfaces in .NET and the compiler work C# ReadOnlyCollectionBase Temel Özellikleri together; how creating generic classes gives you flexibility; how you kişi exploit one of the built-in .Kemiksiz C# ReadOnlyCollectionBase Nerelerde Kullanılıyor interfaces; and (finally) how to simplify ugly syntax by building your own extension methods. I also think that you don't really understand anything unless you birey see a way to write it yourself, and this topic lets me do that, too, by showing how you kişi create the .NET ReadOnlyCollectionBase class. So this column is birli much about providing insight into how .Safi works bey it is about doing something practical. Foundation Knowledge

In short: I think your question is covered with a perfectly good answer by Jon Skeet - ReadOnlyCollection or IEnumerable for exposing member collections?

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C# Metot münasebet kullanılır? C# Metotlar, bir yetişek zarfında yeniden yeniden kullanılması gereken kod bloklarını gruplandırmak ve henüz sonrasında istimal etmek sinein kullanılır. Feysbuk Twitter Whatsapp Tumbler Pinterest

ObservableCollection birey bind to ListViewCollection in such a way that changes to ListViewCollection do not get pushed back C# ReadOnlyCollectionBase Nasıl Kullanılır into ObservableCollection. The original ReadOnlyObservableCollection, however, throws an exception if you try to modify the collection.

Initializes a new instance of the ReadOnlyCollection class that is a read-only wrapper around the specified list.