Hashtable.KeyEquals Method (Object, Object)


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

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

abstract KeyEquals : 
        item:Object *
        key:Object -> bool
override KeyEquals : 
        item:Object *
        key:Object -> bool


Type: System.Object

The Object to compare with 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.

Exception Condition

item is null.


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.

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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