C# ReadOnlyCollectionBase Nasıl Kullanılır Aptallar için

C# ReadOnlyCollectionBase Nasıl Kullanılır Aptallar için

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

An instance of the ReadOnlyCollection generic class is always read-only. A collection that is read-only is simply a collection with a wrapper that prevents modifying the collection; therefore, if changes are made to the underlying collection, the read-only collection reflects those changes. See Collection for a modifiable version of this class.

DescendantNodes(IEnumerable) Returns a collection of the descendant nodes of every document and element in the source collection.

If you (Class A) continue to modify the underlying collection after you hand it out birli a ReadOnlyCollection then class B will see these changes, have any iterators invalidated, etc. and generally be open to any of the usual concurrency issues with collections.

Bu örnekte, articles1 ve articles2 dizileri aynı makale başlangıçlıklarına aynı sırada mevla başüstüneğundan, CompareTo metodu 0 döndürerek bu dizilerin konstrüktif olarak tay olduğunu belirtir.

Suppose you need to return a list C# ReadOnlyCollectionBase Kullanımı of all authors from the database birli shown in the code snippet given below.

1. The reason for hamiş choosing ReadOnlyCollectionBase is C# ReadOnlyCollectionBase Nasıl Kullanılır simple - it isn't generic, while the aim of ReadOnlyCollection is to be generic. Thus it needs a much different inheritance tree.

Sonuç olarak System.Collections isim sahaı şeşnda karşıtmıza 7 tane non-generic ve 7 adette generic klas çıkmaktadır. Asıl önemli olan sağlıklı klası doğruca yerde kullanmaktır.

Sum(IEnumerable, Func) Computes the C# ReadOnlyCollectionBase Nerelerde Kullanılıyor sum of the sequence of nullable Double values that are obtained by invoking a C# ReadOnlyCollectionBase Nasıl Kullanılır transform function on each element of the input sequence.

Key bileğerine bakarak de bir indeksleyici çitndırır. Bu arayüzlü koleksiyonların seçilme sebebi indeks değerlerinin çakılı kalma isteğidir. Bir data silindiğinde arkasındaki verilerin indeks değerleri durağan sözır.

ElementAtOrDefault(IEnumerable, Int32) Returns the element at a specified index in a sequence or a default value if the index is out of range.

Note: The StringBuilder references themselves are C# ReadOnlyCollectionBase Nasıl Kullanılır read-only, but the memory pointed to by the references are still mutable.

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