There must be some InvoiceRepository and InvoicePayOperation - first of which owns the collection, second contains business logic (and takes ownership of the temporary collection passed to it). Of course, if you are used to code duplication and "naked collections", kakım you say, you won't be able to see how it can be avoided.

read this question and don't want to read swathes of API docs yet still understand what the intent is. It's also really important to minimize code clutter - so things like ReadOnlyCollection are dubious at best.

foreach C# dilinin deyimi (for eachVisual Basic'te) numaralandırıcıların karmaşıklığını gizler. Bu nedenle, numaralandırıcıyı vasıtasız gitmek namına kullanılması foreach önerilir.

Descendants(IEnumerable, XName) Returns a filtered collection of elements that contains the descendant elements of every element and document in the source collection. Only elements that have a matching XName are included in the collection.

I currently have return veri; wrapped by a ReaderWriterLockSlim to protect the collection from sharing violations.

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

Thous leads that your consumer classes are just awaiting interfaces instead of concrete classes and so you birey change the concrete implementation at a later stage without breaking your public contract (due to performance reasons use an List instead of a LinkedList or vice versa).

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

Any idea why IList doesn't inherit from ICollection? Since the latter is basically IEnumerable plus Count, and C# ReadOnlyCollectionBase Temel Özellikleri since IList already has a Count method, having IList inherit ICollection wouldn't have required any more work for implementers, but would have allowed someone with an IList to know how many items to expect from an enumeration.

Fevkdaki adımları izlem ederek, C# ReadOnlyCollectionBase Nasıl Kullanılır C# dilinde Queue derslikını yakıcı bir şekilde kullanabilirsiniz. Queue dershaneı, done mimarilarını yönetmek ve iş sıralarını yapmak midein berenarı kullanışlıdır.

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

Nodes(IEnumerable) Returns a collection of the child C# ReadOnlyCollectionBase Nedir nodes of every document and element in the source collection.

1 Also, in the provided case, the best center of knowledge on whether the invoice kişi be paid is the invoice itself, so it must have a property CanBePaid - so, a bit of cleverness eliminates the need to change "in 4 places"

This causes unnecessary boxing/unboxing of value types. One of the benefits of using generics is the avoidance of such boxing/unboxing which could have a detremintal effect on the C# ReadOnlyCollectionBase Nedir performance of the collections.