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SynchronizedReadOnlyCollection<T>.IList.Add Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Namespace:  System.Collections.Generic
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

Syntax

'Declaration
Private Function Add ( _
    value As Object _
) As Integer Implements IList.Add

int IList.Add(
    Object value
)

Parameters

  • value
    Type: System.Object
    The element to be added to the collection.

Return Value

Type: System.Int32
The NotSupportedException.

Implements

IList.Add(Object)

Exceptions

Exception Condition
NotSupportedException

Items cannot be added to a read-only collection.

Remarks

Items cannot be added to a read-only collection.

Version Information

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: Windows Phone OS 7.0

Platforms

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