Initializes a new instance of the
ConcurrentDictionary<(Of <(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<(Of <(TKey>)>).
Namespace:
System.Collections.Concurrent
Assembly:
System.Threading (in System.Threading.dll)
Syntax
| Visual Basic (Declaration) |
|---|
Public Sub New ( _
collection As IEnumerable(Of KeyValuePair(Of TKey, TValue)), _
comparer As IEqualityComparer(Of TKey) _
) |
| C# |
|---|
public ConcurrentDictionary(
IEnumerable<KeyValuePair<TKey, TValue>> collection,
IEqualityComparer<TKey> comparer
) |
Parameters
- collection
- Type: System.Collections.Generic..::.IEnumerable<(Of <(KeyValuePair<(Of <(TKey, TValue>)>)>)>)
The IEnumerable<(Of <(KeyValuePair<(Of <(TKey, TValue>)>)>)>) whose elements are copied to
the new
ConcurrentDictionary<(Of <(TKey, TValue>)>).
- comparer
- Type: System.Collections.Generic..::.IEqualityComparer<(Of <(TKey>)>)
The IEqualityComparer<(Of <(TKey>)>)
implementation to use when comparing keys.
Exceptions
| Exception | Condition |
|---|
| System..::.ArgumentNullException | collection is a null reference
(Nothing in Visual Basic). -or-
comparer is a null reference (Nothing in Visual Basic).
|
See Also
