LinkedList<T>::AddBefore Method (LinkedListNode<T>^, T)
Adds a new node containing the specified value before the specified existing node in the LinkedList<T>.
Assembly: System (in System.dll)
Parameters
- node
-
Type:
System.Collections.Generic::LinkedListNode<T>^
The LinkedListNode<T> before which to insert a new LinkedListNode<T> containing value.
- value
-
Type:
T
The value to add to the LinkedList<T>.
Return Value
Type: System.Collections.Generic::LinkedListNode<T>^The new LinkedListNode<T> containing value.
| Exception | Condition |
|---|---|
| ArgumentNullException | node is null. |
| InvalidOperationException | node is not in the current LinkedList<T>. |
LinkedList<T> accepts null as a valid Value for reference types and allows duplicate values.
This method is an O(1) operation.
For an example that includes this method, see the LinkedList<T> class.
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