/// <summary>
/// Writes the <paramref name="element"/> with <paramref name="writer"/>. The element name is taken from <see cref="IXmlElement.GetXmlName()"/>.
/// </summary>
/// <param name="writer">The XML writer</param>
/// <param name="element">The object to write</param>
/// <param name="parentElementName">the parent element. If not null, <paramref name="element"/> is wrapped in an element with this name</param>
internal static void WriteElement(XmlWriter writer, IXmlElement element, string parentElementName = null)
{
if (!String.IsNullOrEmpty(parentElementName))
{
writer.WriteStartElement(parentElementName);
}
writer.WriteStartElement(element.GetXmlName());
element.WriteXml(writer);
writer.WriteEndElement();
if (!String.IsNullOrEmpty(parentElementName))
{
writer.WriteEndElement();
}
}