public override void Remove(string name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (name == string.Empty)
{
throw new ArgumentException(SR.Format(SR.net_emptystringcall, nameof(name)), nameof(name));
}
MailHeaderID id = MailHeaderInfo.GetID(name);
if (id == MailHeaderID.ContentType && _part != null)
{
_part.ContentType = null;
}
else if (id == MailHeaderID.ContentDisposition && _part is MimePart)
{
((MimePart)_part).ContentDisposition = null;
}
base.Remove(name);
}