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HybridDictionary.Remove Method

Removes the entry with the specified key from the HybridDictionary.

Namespace:  System.Collections.Specialized
Assembly:  System (in System.dll)
abstract Remove : 
        key:Object -> unit  
override Remove : 
        key:Object -> unit


Type: System.Object

The key of the entry to remove.



key is a null reference (Nothing in Visual Basic).

If the HybridDictionary does not contain an element with the specified key, the HybridDictionary remains unchanged. No exception is thrown.

If the collection is already stored in a Hashtable and the number of elements falls below the optimal size for a ListDictionary, the collection remains in the Hashtable to avoid the overhead of copying elements from the Hashtable back to a ListDictionary.

This method is an O(1) operation.

The following code example adds to and removes elements from a HybridDictionary.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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