ISet<T>.UnionWith Method

Modifies the current set so that it contains all elements that are present in both the current set and in the specified collection.

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

void UnionWith(
	IEnumerable<T> other
)

Parameters

other
Type: System.Collections.Generic.IEnumerable<T>
The collection to compare to the current set.

ExceptionCondition
ArgumentNullException

other is null.

Any duplicate elements in other are ignored.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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