This doesn't create a copy of list. ReadOnlyCollection doesn't copy the veri, it works directly on the supplied list. See documentation:
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.
Example. In this yetişek, a list of ints is created, and then the ReadOnlyCollection constructor is used with that List as an argument. Inside the ReadOnlyCollection constructor, a reference to the argument is stored as an IList reference field.
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.
Now when you use IntelliSense to inspect IReadOnlyList, you’ll no longer see Add among the supported methods. Figure 2 below displays the members of the IReadOnlyList instance.
Distinct(IEnumerable) Returns distinct elements from a sequence by using the default equality comparer to compare values.
If your only intent is to get calling code to not make a mistake, and modify the collection when it C# ReadOnlyCollectionBase Nedir should only be reading all that is necessary is to return an interface which doesn't support Add, Remove, etc.
dip derece: BitArray ve LinkedList sınıflarının tasarruf amacı farklı evetğundan teste yayımcı tutmaya lazım görmedim.
Bu yüzden her bir koleksiyonun başarımını ve nerede kullanılması gerektiğini âlâ bilmek gerekir. Makalemizin son kısmında, bütün koleksiyonlar kullanma fakatçları derunin gruplandırılmış olup bayağıdaki sınav koduyla ayrı ayrı performans testleri mefultır.
Peter Vogel is a system architect and principal in PH&V Information Services. PH&V provides C# ReadOnlyCollectionBase Kullanımı full-stack consulting from UX design through object modeling to database design. Peter tweets about his VSM columns with the hashtag #vogelarticles. His blog posts on user experience design birey be found C# ReadOnlyCollectionBase Nasıl Kullanılır at .
Bu kent tekaüt olmuştur. Belgelik yalnızçlı olarak BT AKADEMİ sponsorluğunda yapıt canına devam etmektedir.
However, a read-only collection doesn't provide Add and Remove methods for changing which items are in the C# ReadOnlyCollectionBase Nerelerde Kullanılıyor collection, though the items themselves may be updateable (it's the responsibility of the items in the collection to protect themselves from changes).
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I have a readOnlyCollection of ModuleViewModel, I want to retrieve with linq a specific ModuleViewModel containing in my collection. Here the declaration of my collection :