AnnotationRepositoryChangingEventArgs.Change Property

Returns the AnnotationRepositoryChange value that indicates the type of change a user makes.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v23.2.dll

NuGet Package: DevExpress.Charts

Declaration

C#

public AnnotationRepositoryChange Change { get; }

VB.NET

Public ReadOnly Property Change As AnnotationRepositoryChange

Property Value

Type	Description
AnnotationRepositoryChange	An annotation change that a user makes.

Available values:

Name	Description
Addition	A user adds an annotation.
Deletion	A user deletes an annotation.
Text	A user edits annotation text.
Image	A user changes an annotation image.

Remarks

The Change property can be set to the following values:

• Addition
• Deletion
• Image
• Text

The following example prevents Annotation1 from being deleted.

C#

void chartControl1_AnnotationRepositoryChanging(object sender, AnnotationRepositoryChangingEventArgs e) {
    if (e.Annotation.Name == "Annotation1" && e.Change == AnnotationRepositoryChange.Deletion) {
        e.Cancel = true;
    }
}

VB.NET

Private Sub chartControl1_AnnotationRepositoryChanging(ByVal sender As Object, ByVal e As AnnotationRepositoryChangingEventArgs)
    If e.Annotation.Name = "Annotation 1" AndAlso e.Change = AnnotationRepositoryChange.Deletion Then
        e.Cancel = True
    End If
End Sub