/// <summary>
/// Write the textual representation of the data that is specific to
/// the resource record.
/// </summary>
/// <param name="writer">
/// The destination for the resource record's data.
/// </param>
/// <remarks>
/// Derived classes should implement this method.
/// <para>
/// By default, this will write the hex encoding of
/// the <see cref="GetData">RDATA</see> preceeded by
/// "\#" and the number integer bytes.
/// </para>
/// </remarks>
public virtual void WriteData(PresentationWriter writer)
{
var rdata = GetData();
var hasData = rdata.Length > 0;
writer.WriteStringUnencoded("\\#");
writer.WriteUInt32((uint)rdata.Length, appendSpace: hasData);
if (hasData)
{
writer.WriteBase16String(rdata, appendSpace: false);
}
}