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Hashtable.KeyEquals Method

Compares a specific Object with a specific key in the Hashtable.

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

protected virtual bool KeyEquals(
	Object item,
	Object key
)

Parameters

item
Type: System.Object

The Object to compare with key.

key
Type: System.Object

The key in the Hashtable to compare with item.

Return Value

Type: System.Boolean
true if item and key are equal; otherwise, false.

ExceptionCondition
ArgumentNullException

item is null.

-or-

key is null.

If the hash table was created with a specific IComparer implementation, this method uses that comparer; that is, Compare (item, key). Otherwise, it uses item.Equals(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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