XPBaseObject.Changed Event

Occurs when a property of the object is changed.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v21.1.dll

NuGet Package: DevExpress.Xpo

Declaration

C#

public event ObjectChangeEventHandler Changed

VB.NET

Public Event Changed As ObjectChangeEventHandler

Event Data

The Changed event's data class is ObjectChangeEventArgs. The following properties provide information specific to this event:

Property	Description
NewValue	Gets or sets the property’s new value.
Object	Gets or sets the object whose property has been changed.
OldValue	Gets or sets the property’s old value.
PropertyName	Gets the name of the property affected by the changes made.
Reason	Gets the way in which the object has been changed.
Session	Gets or sets the Session of the object whose property has been changed.

Remarks

The Changed event is raised after the XPBaseObject.OnChanged method has been called. The event parameter’s ObjectChangeEventArgs.PropertyName property returns the name of the property whose value has been changed. The ObjectChangeEventArgs.Reason property gets the way in which the object has been changed.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Changed event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

VB.NET

Reporting_embedded-end-user-report-designer-demonstration-e20017/VB/Contacts/Controls/PersonControl.vb#L106

Id = p.Oid
AddHandler p.Changed, AddressOf person_Changed
privateIsDirty = False