protected override string?HandleTag(System.IO.FileInfo file, IDateTagPart datePart)
{
var directories = ReadMetadata(file.FullName);
// obtain the Exif SubIFD directory
var directory = directories.OfType <TDirectory>().FirstOrDefault();
if (directory != null && directory.TryGetDateTime(_directoryEntryId, out var dateTime))
{
return(datePart.Select(dateTime));
}
return(null);
}
protected override string?HandleTag(FileInfo file, IDateTagPart tagPart)
{
return(tagPart.Select(file.LastWriteTime));
}
protected abstract string?HandleTag(FileInfo file, IDateTagPart tagPart);
