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ConcurrentDictionary<TKey, TValue>.IDictionary.Add Method

.NET Framework 4.6 and 4.5

Adds the specified key and value to the dictionary.

Namespace:  System.Collections.Concurrent
Assemblies:   mscorlib (in mscorlib.dll)
  System.Collections.Concurrent (in System.Collections.Concurrent.dll)

void IDictionary.Add(
	Object key,
	Object value
)

Parameters

key
Type: System.Object

The object to use as the key.

value
Type: System.Object

The object to use as the value.

Implements

IDictionary.Add(Object, Object)

ExceptionCondition
ArgumentNullException

key is null.

ArgumentException

key is of a type that is not assignable to the key type of the System.Collections.Generic.Dictionary<TKey, TValue>.

-or-

value is of a type that is not assignable to the type of values in the System.Collections.Generic.Dictionary<TKey, TValue>.

-or-

A value with the same key already exists in the Dictionary<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

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Portable Class Library

Supported in: Portable Class Library
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