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Array.IList.Add Method

Adds an item to IList.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
private abstract Add : 
        value:Object -> int  
private override Add : 
        value:Object -> int

Parameters

value
Type: System.Object

The object to be added to the IList.

Return Value

Type: System.Int32
The position into which the new element was inserted, or -1 to indicate that the item was not inserted into the collection.

Implements

IList.Add(Object)
ExceptionCondition
NotSupportedException

The IList is read-only.

-or-

The IList has a fixed size.

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

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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

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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