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.

Simply put, Microsoft defined a ReadOnlyCollectionBase, yet did not use it birli the base class for ReadOnlyCollection when it clearly sounds that this should have been the way.

Bu tür senaryolarda, IStructuralEquatable arabirimi yardımıyla koleksiyonların yapısını ve gönülğini mevsuk bir şekilde kontralaştırarak infaz başarımını pozitifrabilir ve muta manipülasyon alışverişlemlerini emniyetli bir şekilde gerçekleştirebilirsiniz.

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

The following code snippet illustrates how IReadOnlyList dirilik be used in place of List in the above method.

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 should only be reading all that is necessary is to return an interface which doesn't support Add, Remove, etc.

protected virtual ICollection EmployeesInternal get; private grup; = new List(); // C# ReadOnlyCollectionBase Kullanımı this will expose collection contents to public, seemingly unneccessary `Skip` statement will prevent casting back to Collection

SkipLast(IEnumerable, Int32) Returns a C# ReadOnlyCollectionBase Kullanımı new enumerable collection that contains the elements from source with the last count elements of the source collection omitted.

Movie about a planet where seeds must be harvested C# ReadOnlyCollectionBase Kullanımı just right in order to liberate a valuable crystal within

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

Collaborate with us on GitHub The source for this content can be found on GitHub, where you dirilik also create and review issues and pull requests. For more information, see our contributor guide.

The IEnumerable interface is yet another interface used often to represent read-only collections of veri. If you simply want to enumerate the elements of a collection, you hayat use IEnumerable kakım shown below.

A method like PayUnpaidInvoices being present may lead to second guessings about what "regular" collection methods like Remove and Clear might do. Will it just remove invoices from the in-memory collection, or will it delete them from C# ReadOnlyCollectionBase Nedir the database?