ICollection(TValue).Remove Method

Dictionary<TKey, TValue>.ValueCollection.ICollection<TValue>.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<T>. This implementation always throws NotSupportedException.

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

bool ICollection<TValue>.Remove(
	TValue item
)

Parameters

item
Type: TValue
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)

ExceptionCondition
NotSupportedException

Always thrown.

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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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