IEqualityComparer<T>.GetHashCode Method (T)

 

Returns a hash code for the specified object.

Namespace:   System.Collections.Generic
Assembly:  mscorlib (in mscorlib.dll)

int GetHashCode(
	T obj
)

Parameters

obj
Type: T

The Object for which a hash code is to be returned.

Return Value

Type: System.Int32

A hash code for the specified object.

Exception Condition
ArgumentNullException

The type of obj is a reference type and obj is null.

Implement this method to provide a customized hash code for type T,corresponding to the customized equality comparison provided by the Equals method.

Notes to Implementers:

Implementations are required to ensure that if the Equals method returns true for two objects x and y, then the value returned by the GetHashCode method for x must equal the value returned for y.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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