ConcurrentDictionary<TKey, TValue>.IDictionary.Add Method (Object, Object)

.NET Framework (current version)
 

Adds the specified key and value to the dictionary.

Namespace:   System.Collections.Concurrent
Assembly:  mscorlib (in mscorlib.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.

Exception Condition
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).

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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