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

 
System_CAPS_noteNote

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Adds an item to the IList. This implementation always throws NotSupportedException.

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

int IList.Add(
	object value
)

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.

Exception Condition
NotSupportedException

Always thrown.

This member is an explicit interface member implementation. It can be used only when the ReadOnlyCollection<T> instance is cast to an IList interface.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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