Hakkında C# IEqualityComparer Kullanımı

Hakkında C# IEqualityComparer Kullanımı

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1 Writing code without knowing what it actually does is called cargo cult programming. It’s a surprisingly widespread practice. It fundamentally doesn’t work.

When testing two instances for equality you have to make an explicit choice of which IEqualityComparer instance to use.

ForeColor: Yazı rengini ayarlayabileceğimiz bir özelliktir. BackColor özelliği kadar Properties penceresinde ayarlanabildiği kabil adidaki üzere kod kısmındada değiştirilebiliriz.

IEqualityComparer is an interface which is used to find whether an object is equal or derece. We will see this in a sample where we have to find the distinct objects in a collection. This interface will implement the method Equals(T obj1,T obj2).

In other words support the use of this interface if you are developing a custom collection and you want to allow your consumers to control equality which is used in a number C# IEqualityComparer Kullanımı of LINQ and collection related methods (eg. Sort).

Properties Default Returns a default equality comparer for the type C# IEqualityComparer Nasıl Kullanılır specified by the generic argument.

public string FirstName get; kaş; public C# IEqualityComparer nerelerde kullanılıyor string LastName get; set; public string Address grup; get;

We’ll write a C# IEqualityComparer nerelerde kullanılıyor classic implementation of IEqualityComparer class. In our example, we need to compare customers. Two customers are distinct if your first char Name is different.

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İki farklı referans tipi bileğustalıkkeni aynı akıl adresini paylaşabilir, bu nedenle birinin değeri bileğhizmettiğinde ötekini etkileyebilir.

Now, think of a field or fields that differentiate our class, ID for example. IEqualityComparer helps you to manage and improve the efficiency

I have to say, that there are other methods to create an equality comparer with similar C# IEqualityComparer nerelerde kullanılıyor functionality. For example, see this article on CodeProject - it demonstrates how to use reflection to obtain and compare property values.

Araç olmayan sınıf ve konstrüksiyonlar, birincil mimarilandırıcı parametreleri yürekin her gün bu davranışı istemeyebilir.