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Is there any reason to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?
Example. In this izlence, 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 kakım an IList reference field.
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.
Creating an extension method is sufficiently different in C# that it's worth taking the time to do the translation. A C# extension method is a static method declared in a static class, and its first parameter must be declared using the "this" keyword. So the C# version of this method looks like this: public static class PhvExtensionMethods
Your implementation depends on your needs: - If you don't care about the caller (Class B) from seeing any further C# ReadOnlyCollectionBase Nasıl Kullanılır changes to the collection then you dirilik just clone the collection, hand it out, and stop caring. - If you definitely need the caller (Class C# ReadOnlyCollectionBase Nedir B) to see changes that are made to the collection, and you want this to be thread-safe, then you have more of a problem on your hands.
Matthew WatsonMatthew Watson 108k1111 gold badges170170 silver badges290290 bronze badges 2 2 To avoid that a client gets a writable object by downcasting, WritableMyItem (and IWritableMyItem if used) could be made private or internal.
An immutable object is defined kakım an object that C# ReadOnlyCollectionBase Temel Özellikleri cannot be changed after it katışıksız been created. Derece all collections are immutable, but you hayat use the read-only collection types in .
Finally, the code example creates an array larger than the collection and uses the CopyTo method to insert the elements of the collection into the middle of the array.
What is the term for when a hyperlink maliciously opens different URL from URL displayed when hovered over?
DO use the least-specialized type possible kakım a parameter type. Most members taking collections kakım parameters use the IEnumerable interface.
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1 Also, in the provided C# ReadOnlyCollectionBase Temel Özellikleri case, the best center of knowledge on whether the invoice can be paid is the invoice itself, so it must have a property CanBePaid - so, a bit of cleverness eliminates the need to C# ReadOnlyCollectionBase Nasıl Kullanılır change "in 4 places"
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