/// <summary>
/// Write figure radius to Xml file using StreamWriter
/// </summary>
/// <param name="writer">StreamWriter object</param>
/// <param name="figure">The figure whose radius should be written</param>
protected void WriteRadius(StreamWriter writer, CircularFigure figure) => writer.WriteLine($"<{nameof(figure.Radius)}>{figure.Radius}</{nameof(figure.Radius)}>");
/// <summary> /// Write figure radius to Xml file using XmlWriter /// </summary> /// <param name="writer">XmlWriter object</param> /// <param name="figure">The figure whose radius should be written</param> protected void WriteRadius(XmlWriter writer, CircularFigure figure) => writer.WriteElementString(nameof(figure.Radius), figure.Radius.ToString());
