Articolo
11/18/2011

Dictionary<TKey, TValue>.KeyCollection.ICollection<TKey>.Remove Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Removes the first occurrence of a specific object from the ICollection<T>. This implementation always throws NotSupportedException.

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

Syntax

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

bool ICollection<TKey>.Remove(
    TKey item
)

Parameters

item
Type: TKey
The object to remove from the ICollection<T>.

Return Value

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

Implements

ICollection<T>.Remove(T)

Exceptions

Exception	Condition
NotSupportedException	Always thrown.

Remarks

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

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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