ObjectChangedEventArgs.PropertyName Property

Specifies the name of a property whose value has been changed. Returns null (Nothing in VB) if it is impossible to determine what property causes the change.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v24.1.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

public string PropertyName { get; }

VB.NET

Public ReadOnly Property PropertyName As String

Property Value

Type	Description
String	A string containing the name of a property whose value has been changed.

Remarks

The returned value is null (Nothing in VB) when the IObjectSpace.SetModified method is called and the memberInfo parameter is not passed to it. For instance, it may occur when a new object is created and when a nested Object Space is committed.

Related GitHub Examples

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

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.

C#

xaf-how-to-dynamically-change-mask-settings-based-on-the-current-object/CS/ChangeEditMask.Module/Controllers/ChangeMaskControllerBase.cs#L23

void ObjectSpace_ObjectChanged(object sender, ObjectChangedEventArgs e) {
    if (e.PropertyName == "Mask" && e.NewValue != e.OldValue) {
        UpdateMaskSettings();

VB.NET

xaf-how-to-dynamically-change-mask-settings-based-on-the-current-object/VB/ChangeEditMask.Module/Controllers/ChangeMaskControllerBase.vb#L23

Private Sub ObjectSpace_ObjectChanged(ByVal sender As Object, ByVal e As ObjectChangedEventArgs)
    If Equals(e.PropertyName, "Mask") AndAlso e.NewValue IsNot e.OldValue Then
        UpdateMaskSettings()