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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 nullptr.

-or-

key is nullptr.

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: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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