C# ReadOnlyCollectionBase Kullanımı Üzerinde Buzz söylenti

C# ReadOnlyCollectionBase Kullanımı Üzerinde Buzz söylenti

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This class makes the underlying collection available through the InnerList property, which is intended for use only by classes that are derived directly from ReadOnlyCollectionBase. The derived class must ensure that its own users cannot modify the underlying collection.

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

That method must return an Enumerator object, which provides the actual support for the looping through the collection. Similarly, code that retrieves an item by the item's position in the collection also looks for the IEnumerable interface and uses the GetEnumerator method. What the Enumerator object doesn't support are the Add or Remove methods. Ignoring the ReadOnlyCollectionBase

Can you arrange 25 whole numbers (not necessarily all different) so that the sum of any three successive terms is even but the sum of all 25 is odd?

GitHub'da bizimle ortaklık bünyen Bu yürekğin kaynağı GitHub'da bulunabilir; burada başkaca problemlerı ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Daha okkalı vukuf muhtevain katkıda bulunan kılavuzumuzu inceleyin.

The single line of code required by my extension method just instantiates my PhvReadOnly class (using the datatype that the extension method başmaklık deduced), passing whatever IList object the extension method is being used on.

1. The reason for hamiş choosing ReadOnlyCollectionBase is simple - it isn't generic, while the aim of ReadOnlyCollection is to be generic. C# ReadOnlyCollectionBase Nasıl Kullanılır Thus it needs a much different inheritance tree.

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

well, NHibernate birey takım private class fields and this means that you yaşama expose it using a public property encapsulating the field as read-only collection.

So when C# ReadOnlyCollectionBase Nasıl Kullanılır i have this piece of code what is the easiest or best way to make it a read only collection?

However, the syntax is awkward. Adding an extension method emanet simplify that syntax tremendously. Extension methods C# ReadOnlyCollectionBase Temel Özellikleri have at least three convenient features: The first is that they attach themselves to whatever classes you specify, automatically appearing in the IntelliSense dropdown lists for those objects; second, they're automatically passed whatever C# ReadOnlyCollectionBase Temel Özellikleri object they're called from as their first parameter; third, when an extension method is used with a generic class (for instance, List), the method automatically figures out the veri type of the generic parameter.

SequenceEqual(IEnumerable, IEnumerable) Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type.

I was looking for a similar solution, but I wanted to still be able to modify the collection from inside the class so I chose the option outlined here: In short, his example is: public class MyClass

Is Légal’s reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?