private string GetUfidText(string owner)
{
UniqueFileIdentifierFrame frame = UniqueFileIdentifierFrame.Get(this, owner, false);
string result = frame == null?null:frame.Identifier.ToString();
return(string.IsNullOrEmpty(result)?null:result);
}
private void SetUfidText(string owner, string text)
{
UniqueFileIdentifierFrame frame = UniqueFileIdentifierFrame.Get(this, owner, true);
if (!string.IsNullOrEmpty(text))
{
ByteVector identifier = ByteVector.FromString(text, StringType.UTF8);
frame.Identifier = identifier;
}
else
{
RemoveFrame(frame);
}
}