namespace System.Windows.Forms.DataVisualization.Charting
{
    [DefaultProperty("Name")]
    public abstract class Annotation : ChartNamedElement
    {
        [DefaultValue(NaN)]
        [RefreshProperties(RefreshProperties.All)]
        [TypeConverter(typeof(DoubleNanValueConverter))]
        public virtual double AnchorY { get; set; }
    }
}