ISet<T>.IsSubsetOf Method (IEnumerable<T>)

 

Determines whether a set is a subset of a specified collection.

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

bool IsSubsetOf(
	IEnumerable<T> other
)

Parameters

other
Type: System.Collections.Generic.IEnumerable<T>

The collection to compare to the current set.

Return Value

Type: System.Boolean

true if the current set is a subset of other; otherwise, false.

Exception Condition
ArgumentNullException

other is null.

If other contains the same elements as the current set, the current set is still considered a subset of other.

This method always returns false if the current set has elements that are not in other.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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