SynchronizedKeyedCollection<K, T> Constructor (Object, IEqualityComparer<K>, Int32)

 

Initializes a new instance of the SynchronizedKeyedCollection<K, T> class with access synchronized by an explicitly specified object and with keys compared in a specified way.

Namespace:   System.Collections.Generic
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

protected SynchronizedKeyedCollection(
	object syncRoot,
	IEqualityComparer<K> comparer,
	int dictionaryCreationThreshold
)

Parameters

syncRoot
Type: System.Object

The object used to synchronize access to the thread-safe collection.

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

The IEqualityComparer<T> of type K used to compare key objects of type K for equality.

dictionaryCreationThreshold
Type: System.Int32

The number of items required to create a dictionary for the collection.

Exception Condition
ArgumentNullException

syncRoot is null or comparer is null.

ArgumentOutOfRangeException

dictionaryCreationThreshold is less than -1.

Setting dictionaryCreationThreshold to -1 assigns the MaxValue (2,147,483,647; hexadecimal 0x7FFFFFFF) to it.

.NET Framework
Available since 3.0
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