CollectionChangeUndoUnit<T> Constructor(ICollection<T>,NotifyCollectionChangedAction,T,Int32,String)

Initializes a new CollectionChangeUndoUnit<T> for an add or remove of a specific item.

Syntax

Visual Basic

'Declaration
 
Public Function New( _
   ByVal collection As ICollection(Of T), _
   ByVal action As NotifyCollectionChangedAction, _
   ByVal changedItem As T, _
   ByVal index As Integer, _
   ByVal itemTypeDisplayName As String _
)

C#

public CollectionChangeUndoUnit<T>( 
   ICollection<T> collection,
   NotifyCollectionChangedAction action,
   T changedItem,
   int index,
   string itemTypeDisplayName
)

Parameters

collection

The collection that was modified

action

Must be either 'Add' or 'Remove' to indicate if the item was added or removed.

changedItem

The item that was added or removed.

index

The index at which the item was inserted for an Add or the old index of the item for a Remove action.

itemTypeDisplayName

A string representing the type of items in the collection as they should be presented to the end user or null to use the type name and/or item.

Exceptions

Exception	Description
System.ArgumentNullException	The collection must not be null.
System.ArgumentException	The collection cannot be ReadOnly.
System.ArgumentException	The action must be 'Add' or 'Remove'.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2