IDictionary(TKey, TValue).Remove Method (TKey)
Removes the element with the specified key from the IDictionary(TKey, TValue).
Assembly: mscorlib (in mscorlib.dll)
Parameters
- key
- Type: TKey
The key of the element to remove.
Return Value
Type: System.Booleantrue if the element is successfully removed; otherwise, false. This method also returns false if key was not found in the original IDictionary(TKey, TValue).
| Exception | Condition |
|---|---|
| ArgumentNullException | key is a null reference (Nothing in Visual Basic). |
| NotSupportedException | The IDictionary(TKey, TValue) is read-only. |
Implementations can vary in how they determine equality of objects; for example, the List(T) class uses Comparer(T).Default, whereas the Dictionary(TKey, TValue) class allows the user to specify the IComparer(T) implementation to use for comparing keys.
The following code example shows how to remove a key/value pair from a dictionary using the Remove method.
This code is part of a larger example that can be compiled and executed. See System.Collections.Generic.IDictionary(TKey, TValue).
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.