IDictionary.Add Method

ReadOnlyDictionary<TKey, TValue>.IDictionary.Add Method

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

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.

Windows Phone OS

Supported in: 8.1, 8.0

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