ConcurrentDictionary<TKey, TValue> Constructor (Int32, Int32)

.NET Framework (current version)

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Initializes a new instance of the ConcurrentDictionary<TKey, TValue> class that is empty, has the specified concurrency level and capacity, and uses the default comparer for the key type.

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

public ConcurrentDictionary(
	int concurrencyLevel,
	int capacity


Type: System.Int32

The estimated number of threads that will update the ConcurrentDictionary<TKey, TValue> concurrently.

Type: System.Int32

The initial number of elements that the ConcurrentDictionary<TKey, TValue> can contain.

Exception Condition

concurrencyLevel is less than 1.


capacity is less than 0.

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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