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Collection<T>.IList.Add Method

.NET Framework 4.5

Adds an item to the IList.

Namespace:  System.Collections.ObjectModel
Assembly:  mscorlib (in mscorlib.dll)
C#
C++
F#
VB
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int IList.Add(
	Object value
)

Parameters

value
Type: System.Object

The Object to add to the IList.

Return Value

Type: System.Int32
The position into which the new element was inserted.

Implements

IList.Add(Object)
ExceptionCondition
ArgumentException

value is of a type that is not assignable to the IList.

This method is an O(1) operation.

.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

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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