IList.Insert Method

List<T>.IList.Insert Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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)

ExceptionCondition
ArgumentOutOfRangeException

index is not a valid index in the IList.

ArgumentException

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

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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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