Hashtable.KeyEquals(Object, Object) Method

Reference

Definition

Namespace:: System.Collections

Assemblies:: mscorlib.dll, System.Collections.NonGeneric.dll

Assembly:: System.Runtime.dll

Assembly:: System.Collections.NonGeneric.dll

Assembly:: System.Runtime.Extensions.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: Hashtable.cs

Source:: Hashtable.cs

Source:: Hashtable.cs

Important

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

protected:
 virtual bool KeyEquals(System::Object ^ item, System::Object ^ key);

protected virtual bool KeyEquals (object item, object key);

protected virtual bool KeyEquals (object? item, object key);

abstract member KeyEquals : obj * obj -> bool
override this.KeyEquals : obj * obj -> bool

Protected Overridable Function KeyEquals (item As Object, key As Object) As Boolean

Parameters

item: Object

The Object to compare with key.

key: Object

The key in the Hashtable to compare with item.

Returns

Boolean

true if item and key are equal; otherwise, false.

Exceptions

ArgumentNullException

item is null.

-or-

key is null.

Remarks

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.

Applies to

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