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HashSet(T).ExceptWith Method

Removes all elements in the specified collection from the current HashSet(T) object.

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

abstract ExceptWith : 
        other:IEnumerable<'T> -> unit  
override ExceptWith : 
        other:IEnumerable<'T> -> unit

Parameters

other
Type: System.Collections.Generic.IEnumerable(T)

The collection of items to remove from the HashSet(T) object.

Implements

ISet(T).ExceptWith(IEnumerable(T))

ExceptionCondition
ArgumentNullException

other is a 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.

The following example creates two HashSet(T) collections with overlapping sets of data. The lower range of values is then removed from the larger set using the ExceptWith method.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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