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

.NET Framework 4.5

Throws a NotSupportedException exception in all cases.

Namespace:  System.Collections.ObjectModel
Assemblies:   System.ObjectModel (in System.ObjectModel.dll)
  mscorlib (in mscorlib.dll)

bool ICollection<TKey>.Remove(
	TKey item
)

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<T>.Remove(T)

ExceptionCondition
NotSupportedException

In all cases.

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

.NET Framework

Supported in: 4.6, 4.5

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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