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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.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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