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SortedDictionary<TKey, TValue>::KeyCollection::ICollection<TKey>::Remove Method (TKey)

 

Removes the first occurrence of a specific object from the ICollection<T>. This implementation always throws a NotSupportedException.

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

private:
virtual bool Remove(
	TKey item
) sealed = ICollection<TKey>::Remove

Parameters

item
Type: TKey

The object to remove from the ICollection<T>.

Return Value

Type: System::Boolean

true if item is successfully removed from the ICollection<T>; otherwise, false. This method also returns false if item is not found in the ICollection<T>.

Exception Condition
NotSupportedException

Always thrown; the collection is read-only.

Implementations can vary in how they determine equality of objects; for example, List<T> uses Default, whereas SortedDictionary<TKey, TValue> allows the user to specify the IComparer<T> implementation to use for comparing keys.

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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