/// <summary>Returns a tag's value as a <see cref="DateTime"/>, or throws if conversion is not possible.</summary>
/// <remarks>
/// If the value is <see cref="IConvertible"/>, then that interface is used for conversion of the value.
/// If the value is an array of <see cref="IConvertible"/> having length one, then the single item is converted.
/// </remarks>
/// <exception cref="MetadataException">No value exists for <paramref name="tagType"/>, or the value is not convertible to the requested type.</exception>
public static DateTime GetDateTime([NotNull] this Directory directory, int tagType /*, [CanBeNull] TimeZoneInfo timeZone = null*/)
{
if (directory.TryGetDateTime(tagType, out DateTime value))
{
return(value);
}
return(ThrowValueNotPossible <DateTime>(directory, tagType));
}