SortedDictionary(Of TKey, TValue).KeyCollection.ICollection(Of TKey).Remove Method (TKey)

 

Removes the first occurrence of a specific object from the ICollection(Of T). This implementation always throws a NotSupportedException.

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

Private Function Remove (
	item As TKey
) As Boolean
	Implements ICollection(Of TKey).Remove

Parameters

item
Type: TKey

The object to remove from the ICollection(Of T).

Return Value

Type: System.Boolean

true if item is successfully removed from the ICollection(Of T); otherwise, false. This method also returns false if item is not found in the ICollection(Of T).

Exception Condition
NotSupportedException

Always thrown; the collection is read-only.

Implementations can vary in how they determine equality of objects; for example, List(Of T) uses Default, whereas SortedDictionary(Of TKey, TValue) allows the user to specify the IComparer(Of T) implementation to use for comparing keys.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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