Dictionary(Of TKey, TValue).KeyCollection.ICollection(Of TKey).Add Method (TKey)

 

Adds an item to the ICollection(Of T). This implementation always throws NotSupportedException.

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

Private Sub Add (
	item As TKey
)
	Implements ICollection(Of TKey).Add

Parameters

item
Type: TKey

The object to add to the ICollection(Of T).

Exception Condition
NotSupportedException

Always thrown.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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