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ReadOnlyCollection<T>.ICollection<T>.Add Method

.NET Framework 4.5

Adds an item to the ICollection<T>. This implementation always throws NotSupportedException.

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

void ICollection<T>.Add(
	T value
)

Parameters

value: Type: T
The object to add to the ICollection<T>.

Implements

ICollection<T>.Add(T)

Exceptions

Exception	Condition
NotSupportedException	Always thrown.

Remarks

This member is an explicit interface member implementation. It can be used only when the ReadOnlyCollection<T> instance is cast to an ICollection<T> interface.

Version Information

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

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.

Reference

ReadOnlyCollection<T> Class

System.Collections.ObjectModel Namespace

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