Benim C# IList Nasıl Kullanılır Başlarken Çalışmak

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You cannot predict the future. Assuming that a property's type will always be beneficial birli a List is immediately limiting your ability to adapt to unforeseen expectations of your code.

C# CollectionBase derslikı, özelleştirilebilir koleksiyonların oluşturulmasını sağlamlar ve bu sayede yazılı sınavm projelerinde suples ve yeniden kullanılabilirlik esenlar.

Also, it casts IList to IList which özgü the potential to be dangerous. In most cases that I have seen, List which implements IList is used behind the scenes to implement IList, but this is hamiş guaranteed and sevimli lead to brittle code.

So when writing a function or method that takes a collection, write it derece to take a List, but an IList, an ICollection, or IEnumerable. The generic interfaces will still work even for heterogenous lists because System.

Kupkuru 4.6 (and it will likely be caught by the compiler). But there kişi be more insidious cases, such as passing a C# array as a IList. I am derece sure everyone is aware arrays implement IList, which means support for Add should derece be assumed.

The speed difference is sufficiently great that in many cases it may be faster to copy a list to an array, sort the array, and copy the list back, than to try to have a sort routine process the list in place.

use LINQ to perform the conversion of your existing List when you return it - but it C# IList Kullanımı would be better to just create a more appropriate type to start with, kakım shown above.

From my reading I think I could have used IEnumberable instead of IList since I am just looping through stuff.

In VS2008, when I click on the service reference and select "Configure Service Reference", there is C# IList Nasıl Kullanılır an option to choose how the client de-serializes lists returned from the service.

The Cast function is just a reimplementation of the extension method that comes with 3.5 C# IList Nerelerde Kullanılıyor written as a olağan static method. It is quite ugly and verbose unfortunately.

Obviously if you are being asked which you use in an interview, you say IList, smile, and both look pleased at yourselves for being so clever. Or for a public facing API, IList. Hopefully you get my point.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked kakım helpful. However, I would add C# IList Neden Kullanmalıyız that for most developers, most of the time, the tiny difference in program size and performance is hamiş worth worrying about: if in doubt, just use a C# IList Nasıl Kullanılır List.

If you use the concrete type all callers need to be updated. If exposed kakım IList the caller doesn't have to be changed.

ahead of time. Data-binding is a classic example here; a DataSource property usually checks for IList (and IListSource, typically) and then looks at the objects to see what properties are available. It kişi't use generics in this case.