Document Library for WinForms | ComponentOne
C1.Win.C1Document.4.8 Assembly / C1.Win.C1Document Namespace / INotifyCollection Interface / CollectionChanging Event

In This Topic
    CollectionChanging Event (INotifyCollection)
    In This Topic
    Occurs when a collection about to be changed.
    Syntax
    'Declaration
 
Event CollectionChanging As NotifyCollectionEventHandler
    event NotifyCollectionEventHandler CollectionChanging
    Event Data

    The event handler receives an argument of type NotifyCollectionEventArgs containing data related to this event. The following NotifyCollectionEventArgs properties provide information specific to this event.

    PropertyDescription
    ActionGets the action that caused the event.  
    IndexGets the index of the item that is affected by the change.  
    See Also

    Reference

    INotifyCollection Interface
    INotifyCollection Members