Export (0) Print
Expand All

IList.Add Method

Adds an item to the IList.

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

abstract Add : 
        value:Object -> int

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, or -1 to indicate that the item was not inserted into the collection.

ExceptionCondition
NotSupportedException

The IList is read-only.

-or-

The IList has a fixed size.

The following example demonstrates the implementation of the IList interface to create a simple, fixed-size list. This code is part of a larger example for the IList interface.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.2, 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.

Show:
© 2014 Microsoft