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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


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

.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.