ISet<T>.Add Method

Adds an element to the current set and returns a value to indicate if the element was successfully added.

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

bool Add(
	T item
)

Parameters

item
Type: T

The element to add to the set.

Return Value

Type: System.Boolean
true if the element is added to the set; false if the element is already in the set.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

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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