Dictionary<'TKey, 'TValue>.IDictionary.Remove Method (Object)
.NET Framework (current version)
Removes the element with the specified key from the IDictionary.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- key
-
Type:
System.Object
The key of the element to remove.
Implements
IDictionary.Remove(Object)| Exception | Condition |
|---|---|
| ArgumentNullException | key is null. |
This method approaches an O(1) operation.
The following code example shows how to use the IDictionary.Remove of the System.Collections.IDictionary interface with a Dictionary<'TKey, 'TValue>.
The code example is part of a larger example, including output, provided for the IDictionary.Add method.
Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Show: