C# ReadOnlyCollectionBase Nasıl Kullanılır Seçenekler

C# ReadOnlyCollectionBase Nasıl Kullanılır Seçenekler

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My code is littered with collections - not an unusual thing, I suppose. However, usage of the various collection types isn't obvious nor trivial. Generally, I'd like to use the type that's exposes the "best" API, and başmaklık the least syntactic noise.

Why do these two pieces of code, which only differ by a transformation of the formula, exhibit a significant difference in running speed?

foreach C# dilinin deyimi (for eachVisual Basic'te) numaralandırıcıların karmaşıklığını gizler. Bu nedenle, numaralandırıcıyı aracısız işlemek yerine kullanılması foreach önerilir.

Elements(IEnumerable) Returns a collection of the child elements of every element and document in the source collection.

The main advantage of this comes in the fact that you kişi't add code to collections so whenever you have a native "collection" in your object manken, you ALWAYS have non-OO support code spread throughout your project to access it.

Is there any reason to expose an internal collection birli a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?

Bu makalede, C# metotlarının münasebet kullanıldığı, ne sorune yaradığı ve nasıl özellikler sunmuş olduğu hakkında daha detaylı haber vereceğim.

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This article discusses these read-only immutable collection types in .Kemiksiz Core and how you hayat work with them in C#.

Elements(IEnumerable, XName) Returns a filtered collection of the child elements of every element and document in the source collection. Only elements that have C# ReadOnlyCollectionBase Kullanımı a matching XName are included in the collection.

Single(IEnumerable) Returns the only element of a sequence, and throws an exception if there is hamiş exactly one element in the sequence.

However, to be doubly sure, I'd C# ReadOnlyCollectionBase Temel Özellikleri like to return the collection birli read-only, so that the calling code is unable to make changes to the collection, only view what's already there. Is this C# ReadOnlyCollectionBase Temel Özellikleri at all possible?

When you pass around collections instead of writing an object örnek, entire classes of refactorings will never occur to C# ReadOnlyCollectionBase Temel Özellikleri you.

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