ICollection(T).Add Method

ReadOnlyCollection<T>.ICollection<T>.Add Method (T)

 

Adds an item to the ICollection<T>. This implementation always throws NotSupportedException.

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

void ICollection<T>.Add(
	T value
)

Parameters

value
Type: T

The object to add to the ICollection<T>.

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 ICollection<T> interface.

Universal Windows Platform
Available since 4.5
.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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