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ImmutableDictionary<TKey, TValue>.IDictionary<TKey, TValue>.Add Method

Adds an element with the provided key and value to the immutable dictionary.

Namespace:  System.Collections.Immutable
Assembly:  System.Collections.Immutable (in System.Collections.Immutable.dll)

void IDictionary<TKey, TValue>.Add(
	TKey key,
	TValue value
)

Parameters

key
Type: TKey

The object to use as the key of the element to add.

value
Type: TValue

The object to use as the value of the element to add.

Implements

IDictionary<TKey, TValue>.Add(TKey, TValue)

ExceptionCondition
ArgumentNullException

key is null.

ArgumentException

An element with the same key already exists in the dictionary.

NotSupportedException

The dictionary is read-only.

This member is an explicit interface member implementation. It can be used only when the ImmutableDictionary<TKey, TValue> instance is cast to an IDictionary<TKey, TValue> interface.

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