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ConcurrentDictionary(TKey, TValue) Constructor (IEnumerable(KeyValuePair(TKey, TValue)), IEqualityComparer(TKey))

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

.NET Framework 4.6 and 4.5

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

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

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

ExceptionCondition
ArgumentNullException

collection or comparer is null.

.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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