ICollection(TKey).Remove Method

ReadOnlyDictionary(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. ]

Throws a NotSupportedException exception in all cases.

Namespace:  System.Collections.ObjectModel
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 collection.

Return Value

Type: System.Boolean
true if item was successfully removed from the collection; otherwise, false. This method also returns false if item is not found in the original collection.

Implements

ICollection(Of T).Remove(T)

ExceptionCondition
NotSupportedException

In all cases.

This member is an explicit interface member implementation. It can be used only when the ReadOnlyDictionary(Of TKey, TValue).KeyCollection instance is cast to an ICollection(Of T) interface. The ICollection(Of T) interface specifies that the Remove method should throw a NotSupportedException exception if the collection that implements the interface is read-only.

Windows Phone OS

Supported in: 8.1, 8.0

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