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EqualityComparer<T>.IEqualityComparer.GetHashCode Method

Returns a hash code for the specified object.

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

int IEqualityComparer.GetHashCode(
	Object obj
)

Parameters

obj
Type: System.Object

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

Return Value

Type: System.Int32
A hash code for the specified object.

Implements

IEqualityComparer.GetHashCode(Object)

ExceptionCondition
ArgumentNullException

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

-or-

obj is of a type that cannot be cast to type T.

This method is a wrapper for the GetHashCode(T) method, so obj must be a type that can be cast to the type specified by the generic type argument T of the current instance.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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