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

Adds the specified key and value to the IDictionary<TKey, TValue>.

Namespace:  System.Collections.Concurrent
Assembly:  mscorlib (in mscorlib.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 ConcurrentDictionary<TKey, TValue>.

OverflowException

The dictionary already contains the maximum number of elements (MaxValue).

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1
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