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List<T>.IList.Insert Method

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

Inserts an item to the IList at the specified index.

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

Syntax

'Declaration
Private Sub Insert ( _
    index As Integer, _
    item As Object _
) Implements IList.Insert

void IList.Insert(
    int index,
    Object item
)

Parameters

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

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

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: Xbox 360, 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.