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Hashtable.GetHash Method

Returns the hash code for the specified key.

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

'Declaration
Protected Overridable Function GetHash ( _
	key As Object _
) As Integer
'Usage
Dim key As Object 
Dim returnValue As Integer 

returnValue = Me.GetHash(key)

Parameters

key
Type: System.Object

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

Return Value

Type: System.Int32
The hash code for key.

ExceptionCondition
NullReferenceException

key is Nothing.

If the hash table was created with a specific IHashCodeProvider implementation, this method uses that hash code provider; otherwise, it uses the Object.GetHashCode implementation of key.

This method is an O(1) operation.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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