ConcurrentDictionary<TKey, TValue> Constructor (IEnumerable<KeyValuePair<TKey, TValue>>)

.NET Framework (current version)
 
System_CAPS_noteNote

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Initializes a new instance of the ConcurrentDictionary<TKey, TValue> class that contains elements copied from the specified IEnumerable<T>, has the default concurrency level, has the default initial capacity, and uses the default comparer for the key type.

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

public ConcurrentDictionary(
	IEnumerable<KeyValuePair<TKey, TValue>> collection
)

Parameters

collection
Type: System.Collections.Generic.IEnumerable<KeyValuePair<TKey, TValue>>

The IEnumerable<T> whose elements are copied to the new ConcurrentDictionary<TKey, TValue>.

Exception Condition
ArgumentNullException

collection or any of its keys is null.

ArgumentException

collection contains one or more duplicate keys.

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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