.NET Framework Class Library
ReadOnlyCollectionTICollectionTAdd Method

Adds an item to the ICollectionT. This implementation always throws NotSupportedException.

Namespace:   System.Collections.ObjectModel
Assembly:  mscorlib (in mscorlib.dll)
Syntax
Private Sub Add ( _
	value As T _
) Implements [%$TOPIC/cc672239_en-us_VS_110_3_0_0_0_0%](Of T).[%$TOPIC/cc672239_en-us_VS_110_3_0_0_0_1%]
void [%$TOPIC/cc672239_en-us_VS_110_3_0_1_0_0%]<T>.[%$TOPIC/cc672239_en-us_VS_110_3_0_1_0_1%](
	T value
)
private:
virtual void Add(
	T value
) sealed = [%$TOPIC/cc672239_en-us_VS_110_3_0_2_0_0%]<T>::[%$TOPIC/cc672239_en-us_VS_110_3_0_2_0_1%]
private abstract Add : 
        value:'T -> unit  
private override Add : 
        value:'T -> unit

Parameters

value
Type: T

The object to add to the ICollectionT.

Implements

ICollectionTAdd(T)
Exceptions
ExceptionCondition
NotSupportedException

Always thrown.

Remarks

This member is an explicit interface member implementation. It can be used only when the ReadOnlyCollectionT instance is cast to an ICollectionT interface.

Version Information

.NET Framework

Supported in: 4.5.1, 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

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1
Platforms

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.