ConcurrentDictionary(TKey, TValue) Constructor (Int32, Int32, IEqualityComparer(TKey))
From Task Parallel System.Threading
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| .NET Framework Class Library |
| ConcurrentDictionary<(Of <(TKey, TValue>)>) Constructor (Int32, Int32, IEqualityComparer<(Of <(TKey>)>)) |
| ConcurrentDictionary<(Of <(TKey, TValue>)>) Class See Also Send Feedback |
Initializes a new instance of the ConcurrentDictionary<(Of <(TKey, TValue>)>)
class that is empty, has the specified concurrency level, has the specified initial capacity, and
uses the specified IEqualityComparer<(Of <(TKey>)>).
Namespace:
System.Collections.Concurrent
Assembly:
System.Threading (in System.Threading.dll)
Syntax
| Visual Basic (Declaration) |
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Public Sub New ( _ concurrencyLevel As Integer, _ capacity As Integer, _ comparer As IEqualityComparer(Of TKey) _ ) |
| C# |
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public ConcurrentDictionary( int concurrencyLevel, int capacity, IEqualityComparer<TKey> comparer ) |
Parameters
- concurrencyLevel
- Type: System..::.Int32
The estimated number of threads that will update the ConcurrentDictionary<(Of <(TKey, TValue>)>) concurrently.
- capacity
- Type: System..::.Int32
The initial number of elements that the ConcurrentDictionary<(Of <(TKey, TValue>)>) can contain.
- comparer
- Type: System.Collections.Generic..::.IEqualityComparer<(Of <(TKey>)>)
The IEqualityComparer<(Of <(TKey>)>) implementation to use when comparing keys.
Exceptions
| Exception | Condition |
|---|---|
| System..::.ArgumentOutOfRangeException | concurrencyLevel is less than 1. -or- capacity is less than 0. |
| System..::.ArgumentNullException | comparer is a null reference (Nothing in Visual Basic). |
See Also
