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HashSet<T>.IntersectWith Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Modifies the current HashSet<T> object to contain only elements that are present in that object and in the specified collection.

Namespace:  System.Collections.Generic
Assembly:  System.Core (in System.Core.dll)

Syntax

'Declaration
Public Sub IntersectWith ( _
    other As IEnumerable(Of T) _
)

public void IntersectWith(
    IEnumerable<T> other
)

Parameters

Implements

ISet<T>.IntersectWith(IEnumerable<T>)

Exceptions

Exception Condition
ArgumentNullException

other is nulla null reference (Nothing in Visual Basic).

Remarks

If the collection represented by the other parameter is a HashSet<T> collection with the same equality comparer as the current HashSet<T> object, this method is an O(n) operation. Otherwise, this method is an O(n + m) operation, where n is Count and m is the number of elements in other.

Version Information

Silverlight

Supported in: 5, 4

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.