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SortedDictionary<TKey, TValue>::KeyCollection Constructor (SortedDictionary<TKey, TValue>^)

 

Initializes a new instance of the SortedDictionary<TKey, TValue>::KeyCollection class that reflects the keys in the specified SortedDictionary<TKey, TValue>.

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

public:
KeyCollection(
	SortedDictionary<TKey, TValue>^ dictionary
)

Exception Condition
ArgumentNullException

dictionary is null.

The SortedDictionary<TKey, TValue>::KeyCollection is not a static copy; instead, the SortedDictionary<TKey, TValue>::KeyCollection refers back to the keys in the original SortedDictionary<TKey, TValue>. Therefore, changes to the SortedDictionary<TKey, TValue> continue to be reflected in the SortedDictionary<TKey, TValue>::KeyCollection.

This constructor is an O(1) operation.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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