ICollection(TKey).Remove Method

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

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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

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

'Declaration
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 was successfully removed from the ICollection(Of T); otherwise, false. This method also returns false if item was not found in the original ICollection(Of T).

Implements

ICollection(Of T).Remove(T)

ExceptionCondition
NotSupportedException

Always thrown.

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

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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