public VolumeParameters(BER br, ushort Bitmap) {
Stream si = br.BaseStream;
Int64 off = si.Position;
ushort? VolNameOff = null;
if (0 != (Bitmap & 1U)) VolAttribute = br.ReadUInt16();
if (0 != (Bitmap & 2U)) VolSignature = br.ReadUInt16();
if (0 != (Bitmap & 4U)) CreateDate = br.ReadUInt32();
if (0 != (Bitmap & 8U)) ModDate = br.ReadUInt32();
if (0 != (Bitmap & 16U)) VolBackupDate = br.ReadUInt32();
if (0 != (Bitmap & 32U)) VolID = br.ReadUInt16();
if (0 != (Bitmap & 64U)) VolBytesFree = br.ReadUInt32();
if (0 != (Bitmap & 128U)) VolBytesTotal = br.ReadUInt32();
if (0 != (Bitmap & 256U)) VolNameOff = br.ReadUInt16();
if (0 != (Bitmap & 512U)) VolExtBytesFree = br.ReadUInt64();
if (0 != (Bitmap & 1024U)) VolExtBytesTotal = br.ReadUInt64();
if (0 != (Bitmap & 2048U)) VolBlockSize = br.ReadUInt32();
if (VolNameOff != null) {
si.Position = off + VolNameOff.Value;
VolName = UtAfp.Read1Str(si);
}
}