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List<T>.IList.Insert Method

.NET Framework 4.5

Inserts an item to the IList at the specified index.

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

void IList.Insert(
	int index,
	Object item
)

Parameters

index: Type: System.Int32
The zero-based index at which item should be inserted.

item: Type: System.Object
The object to insert into the IList.

Implements

IList.Insert(Int32, Object)

Exceptions

Exception	Condition
ArgumentOutOfRangeException	index is not a valid index in the IList.
ArgumentException	item is of a type that is not assignable to the IList.

Remarks

If index equals the number of items in the IList, then item is appended to the end.

This method is an O(n) operation, where n is Count.

Version Information

.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

Platforms

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.

Reference

List<T> Class

System.Collections.Generic Namespace

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