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

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

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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