Occurs when the Value of a node belonging to this document is about to be changed.
[Visual Basic] Public Event NodeChanging As XmlNodeChangedEventHandler [C#] public event XmlNodeChangedEventHandler NodeChanging; [C++] public: __event XmlNodeChangedEventHandler* NodeChanging;
[JScript] In JScript, you can handle the events defined by a class, but you cannot define your own.
The event handler receives an argument of type XmlNodeChangedEventArgs containing data related to this event. The following XmlNodeChangedEventArgs properties provide information specific to this event.
|Action||Gets a value indicating what type of node change event is occurring.|
|NewParent||Gets the value of the ParentNode after the operation completes.|
|Node||Gets the XmlNode that is being added, removed or changed.|
|OldParent||Gets the value of the ParentNode before the operation began.|
This event allows the user to do extra checking and, if necessary, throw an exception to stop the operation. If an exception is thrown the XmlDocument returns to its original state. This event only applies to nodes that have a value.
All nodes created by this document, whether or not they have been inserted into the document, are included in this event.
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family