internal override uint CalculateWriteLength(DicomTransferSyntax syntax, DicomWriteOptions options)
{
uint length = 4 + 4;
length += Dataset.CalculateWriteLength(syntax, options & ~DicomWriteOptions.CalculateGroupLengths);
if (!Flags.IsSet(options, DicomWriteOptions.ExplicitLengthSequenceItem))
length += 4 + 4; // Sequence Item Delimitation Item
return length;
}