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ReadOnlyDictionary<TKey, TValue>.IDictionary.Add Method

.NET Framework 4.6 and 4.5

Throws a NotSupportedException exception in all cases.

Namespace:  System.Collections.ObjectModel
Assemblies:   System.ObjectModel (in System.ObjectModel.dll)
  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: 4.6, 4.5

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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