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

.NET Framework (current version)
 
System_CAPS_noteNote

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Initializes a new instance of the System.Collections.Concurrent.ConcurrentDictionary<TKey, TValue> class that is empty, has the specified concurrency level, has the specified initial capacity, and uses the specified System.Collections.Generic.IEqualityComparer<T>.

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

public ConcurrentDictionary(
	int concurrencyLevel,
	int capacity,
	IEqualityComparer<TKey> comparer
)

Parameters

concurrencyLevel
Type: System.Int32

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

capacity
Type: System.Int32

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

comparer
Type: System.Collections.Generic.IEqualityComparer<TKey>

The System.Collections.Generic.IEqualityComparer<T> implementation to use when comparing keys.

Exception Condition
ArgumentNullException

comparer is null.

ArgumentOutOfRangeException

concurrencyLevel or capacity is less than 1.

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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