GetHashCode Method
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IEqualityComparer<T>.GetHashCode Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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.

ExceptionCondition
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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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