private static void UpdateAnnotationPosition(CartesianChartAnnotation annotation, DataTuple dataTuple)
{
if (annotation is CartesianGridLineAnnotation)
{
UpdateGridLineAnnotation((CartesianGridLineAnnotation)annotation, dataTuple);
}
}
private static void UnregisterFromEvents(CartesianChartAnnotation annotation)
{
annotation.MouseEnter -= Annotation_MouseEnter;
annotation.MouseLeftButtonDown -= Annotation_MouseLeftButtonDown;
annotation.MouseMove -= Annotation_MouseMove;
annotation.MouseLeftButtonUp -= Annotation_MouseLeftButtonUp;
annotation.MouseLeave -= Annotation_MouseLeave;
annotation.Unloaded -= Annotation_Unloaded;
}
private static void ManageEventsRegistering(bool isDraggingEnabled, CartesianChartAnnotation annotation)
{
UnregisterFromEvents(annotation);
if (isDraggingEnabled)
{
annotation.MouseEnter += Annotation_MouseEnter;
annotation.MouseLeftButtonDown += Annotation_MouseLeftButtonDown;
annotation.MouseMove += Annotation_MouseMove;
annotation.MouseLeftButtonUp += Annotation_MouseLeftButtonUp;
annotation.MouseLeave += Annotation_MouseLeave;
annotation.Unloaded += Annotation_Unloaded;
}
}
