C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Aptallar için

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Best practice to create typed collections/lists with internal or private Add, Remove functionality? 2

SingleOrDefault(IEnumerable, TSource) Returns the only element of a sequence, or a specified default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.

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Birli the last point states, you shouldn't avoid ReadOnlyCollection like you were suggesting. It is a very useful type to use for public members to inform the consumer of the limitations of the collection they are accessing.

Creating an extension method is sufficiently different in C# that it's worth taking the time to do the translation. A C# extension method is a static method declared in a static class, and its first parameter must be declared using the "this" keyword. So the C# version of this method looks like this: public static class PhvExtensionMethods

Also, native collections sevimli't be enhanced with extra veri. You'll recognize this next time you find that you pass in (Collection, Extra) to more than one or two methods. It indicates that "Extra" belongs with the object containing your collection.

4) If you suddenly realise that your collection of choice is inefficient, you C# ReadOnlyCollectionBase Nedir can change the underlying collection type without having to go and change all the places where it got passed kakım a parameter (güç you imagine the trouble you might have with, say, List?)

An immutable object is defined kakım an object that cannot be changed after it saf been created. Hamiş all collections are immutable, but you dirilik C# ReadOnlyCollectionBase Temel Özellikleri use the read-only collection types in .

well, NHibernate birey takım private class fields and this means that you dirilik expose it using a public property encapsulating the field birli read-only collection.

C# ReadOnlyCollectionBase Temel Özellikleri Key C# ReadOnlyCollectionBase Nasıl Kullanılır değerine için de bir indeksleyici barındırır. Bu arayüzlü koleksiyonların seçilme sebebi indeks değerlerinin çakılı kalma isteğidir. Bir done silindiğinde arkasındaki verilerin indeks bileğerleri çakılı kalır.

Putting that all together, a class that exposes a read-only collection needs three things: A property C# ReadOnlyCollectionBase Temel Özellikleri of type PhvReadOnlyList

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.

ObservableCollection can 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.

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