The Ultimate Guide To C# IList Nasıl Kullanılır

The Ultimate Guide To C# IList Nasıl Kullanılır

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The above is an IList itself kakım this is what seems to be the standard to use with nhibernate. Otherwise I might have returned IEnumberable back but not sure. Still, I güç't figure out what the user would 100% need(that's where returning a concrete has an advantage over).

From this it follows that your method implementation can represent its local variables however you wish. The implementation details are derece exposed. Leaving you free to change your code to something better without affecting the people calling your code.

Bir dahaki sefere tefsir yapmış olduğumda kullanılmak üzere kademı, e-posta adresimi ve web kent adresimi bu tarayıcıevet kaydet.

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

In addition to the older code that doesn't know about generics, there are also a lot of cases where you know you have a list

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The class name List may be changed in next .safi framework but the interface is never going to change kakım interface is contract.

Ask those people what they'd like the methods to return. Your question is fundamentally "how do I know what software to write?" You know by getting to know what C# IList Kullanımı problems your customer başmaklık to solve, and writing code that solves their problems.

; being aware of the definition of the interface ie. all abstract methods that are there to be implemented by any class inheriting the interface. so if some one makes a huge class of his own with several methods besides the ones he inherited from the interface for some addition functionality, and those are of no use to you, its better to use a reference to a subclass (in this case the interface) and assign the concrete class object to it.

Then later if you decide to convert the actual veri store from a List to a Dictionary and expose the dictionary keys kakım the actual value for the property (I have C# IList Neden Kullanmalıyız had to do exactly this before). Then consumers who have come to expect that their changes will be reflected inside of your class will no longer have that capability. That's a big sorun! If you expose the List kakım an IEnumerable you birey comfortably predict that your C# IList Nasıl Kullanılır collection is not being modified externally. That is one of the powers of exposing List kakım any of the above interfaces.

 

Returning a read-only interface such bey IEnumerable is often C# IList Nedir the way to go for veri-retrieval methods. Your consumer hayat project it into a richer type as-needed.

You birey pass C# IList Nasıl Kullanılır a plain array to something which accepts an IList parameter, and then you kişi call IList.Add() and will receive a runtime exception:

So I have been playing around with some of my methods on how to do this. I am still hamiş sure about the return type(if I should make it more concrete or an interface).