IList.Add Method

Collection<T>.IList.Add Method (Object)


Adds an item to the IList.

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

int IList.Add(
	object 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.

Exception Condition

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

This method is an O(1) operation.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Return to top
© 2015 Microsoft