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Collection<T>.ICollection<T>.IsReadOnly Property

Gets a value indicating whether the ICollection<T> is read-only.

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

bool ICollection<T>.IsReadOnly { get; }

Property Value

Type: System.Boolean
true if the ICollection<T> is read-only; otherwise, false. In the default implementation of Collection<T>, this property always returns false.

Implements

ICollection<T>.IsReadOnly

A collection that is read-only does not allow the addition, removal, or modification of elements after the collection is created.

A collection that is read-only is simply a collection with a wrapper that prevents modifying the collection; therefore, if changes are made to the underlying collection, the read-only collection reflects those changes.

Retrieving the value of this property is an O(1) operation.

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

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

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