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ConcurrentDictionary<TKey, TValue>.IDictionary<TKey, TValue>.Remove Method

Removes the element with the specified key from the IDictionary<TKey, TValue>.

Namespace:  System.Collections.Concurrent
Assembly:  mscorlib (in mscorlib.dll)
bool IDictionary<TKey, TValue>.Remove(
	TKey key
)

Parameters

key
Type: TKey

The key of the element to remove.

Return Value

Type: System.Boolean
true if the element is successfully remove; otherwise false. This method also returns false if key was not found in the original IDictionary<TKey, TValue>.

Implements

IDictionary<TKey, TValue>.Remove(TKey)
ExceptionCondition
ArgumentNullException

key is null.

.NET Framework

Supported in: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

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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