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StringDictionary.Remove Method

Removes the entry with the specified key from the string dictionary.

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

abstract Remove : 
        key:string -> unit  
override Remove : 
        key:string -> unit


Type: System.String

The key of the entry to remove.


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


The StringDictionary is read-only.

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

The key is handled in a case-insensitive manner; it is translated to lowercase before it is used to find the entry to remove from the string dictionary.

This method is an O(1) operation.

The following code example demonstrates how to add and remove elements from a StringDictionary.

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

.NET Framework

Supported in: 4.5.2, 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 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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