DataDOMEvent.OldValue property
Gets the original value of an XML Document Object Model (DOM) node that is being updated or deleted during a data validation event.
Namespace: Microsoft.Office.Interop.InfoPath.SemiTrust
Assembly: Microsoft.Office.Interop.InfoPath.SemiTrust (in Microsoft.Office.Interop.InfoPath.SemiTrust.dll)
Syntax
'Declaration
ReadOnly Property OldValue As Object
Get
'Usage
Dim instance As DataDOMEvent
Dim value As Object
value = instance.OldValue
Object OldValue { get; }
Property value
Type: System.Object
Remarks
The OldValue property contains the original value of the XML DOM node that will be replaced with a new value or deleted. To get the new value of the XML DOM node, use the NewValue property.
Important
This member can be accessed only by forms running in the same domain as the currently open form, or by forms that have been granted cross-domain permissions.
Examples
In the following example, the OldValue property of the DataDOMEventObject object is used to display the original value of an XML DOM node, along with its NewValue:
thisXDocument.UI.Alert("Original value: " + e.OldValue.ToString() + "\nNew value: " + e.NewValue.ToString());