HashSet<T>.ExceptWith Method

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Removes all elements in the specified collection from the current HashSet<T> object.

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

Syntax

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

public void ExceptWith(
    IEnumerable<T> other
)

other
Type: System.Collections.Generic.IEnumerable<T>
The collection of items to remove from the HashSet<T> object.

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

The ExceptWith method is the equivalent of mathematical set subtraction.

This method is an O(n) operation, where n is the number of elements in the other parameter.

Supported in: 5, 4

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