AnnotationRepositoryChangingEventArgs Class
Data for the ChartControl.AnnotationRepositoryChanging event.
Namespace: DevExpress.XtraCharts
Assembly: DevExpress.XtraCharts.v21.2.dll
Declaration
Remarks
The AnnotationRepositoryChanging event occurs when a user adds, edits or deletes an annotation before this change is applied to the annotation repository. The AnnotationRepositoryChangingEventArgs class exposes the following properties:
Example
The following example prevents Annotation1 from being deleted.
void chartControl1_AnnotationRepositoryChanging(object sender, AnnotationRepositoryChangingEventArgs e) {
if (e.Annotation.Name == "Annotation1" && e.Change == AnnotationRepositoryChange.Deletion) {
e.Cancel = true;
}
}
See Also
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