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IStructuralEquatable.GetHashCode Method

Returns a hash code for the current instance.

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

'Declaration
Function GetHashCode ( _
	comparer As IEqualityComparer _
) As Integer

Parameters

comparer
Type: System.Collections.IEqualityComparer

An object that computes the hash code of the current object.

Return Value

Type: System.Int32
The hash code for the current instance.

Implement this method to return customized hash codes for collection objects that correspond to the customized comparison for structural equality provided by the Equals method.

Notes to Implementers

If the Equals method returns true for two objects, the values returned by the GetHashCode method for the two objects must also be equal.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

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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