protected override void Write(byte[] buffer, int offset)
{
IgmpDatagram.WriteReportVersion3(buffer, offset, (IEnumerable <IgmpGroupRecord>) this.GroupRecords);
}
/// <summary>
/// Writes the layer to the buffer.
/// This method ignores the payload length, and the previous and next layers.
/// </summary>
/// <param name="buffer">The buffer to write the layer to.</param>
/// <param name="offset">The offset in the buffer to start writing the layer at.</param>
protected override void Write(byte[] buffer, int offset)
{
IgmpDatagram.WriteReportVersion3(buffer, offset, GroupRecords);
}