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ReadOnlyDictionary<TKey, TValue>.IDictionary.Add Method

.NET Framework 4.5

Throws a NotSupportedException exception in all cases.

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

void IDictionary.Add(
	Object key,
	Object value
)

Parameters

key
Type: System.Object

The key of the element to add.

value
Type: System.Object

The value of the element to add.

Implements

IDictionary.Add(Object, Object)

ExceptionCondition
NotSupportedException

In all cases.

This member is an explicit interface member implementation. It can be used only when the ReadOnlyDictionary<TKey, TValue> instance is cast to an IDictionary interface. The IDictionary interface specifies that the Add method should throw a NotSupportedException exception if the collection that implements the interface is read-only.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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