IEqualityComparer Interface
Definition
Important
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Defines methods to support the comparison of objects for equality.
public interface class IEqualityComparer
public interface IEqualityComparer
[System.Runtime.InteropServices.ComVisible(true)]
public interface IEqualityComparer
type IEqualityComparer = interface
[<System.Runtime.InteropServices.ComVisible(true)>]
type IEqualityComparer = interface
Public Interface IEqualityComparer
- Derived
- Attributes
Remarks
This interface allows the implementation of customized equality comparison for collections. That is, you can create your own definition of equality, and specify that this definition be used with a collection type that accepts the IEqualityComparer interface. In the .NET Framework, constructors of the Hashtable, NameValueCollection, and OrderedDictionary collection types accept this interface.
For the generic version of this interface, see System.Collections.Generic.IEqualityComparer<T>.
The IEqualityComparer
interface supports only equality comparisons. Customization of comparisons for sorting and ordering is provided by the IComparer interface.
Methods
Equals(Object, Object) |
Determines whether the specified objects are equal. |
GetHashCode(Object) |
Returns a hash code for the specified object. |
Applies to
See also
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