public TagRecord(FlashReader reader)
{
Start = reader.Position;
ushort header = reader.ReadUInt16();
TagType = (FlashTagType)(header >> 6);
int length = (header & 63);
if (length >= 63)
{
length = reader.ReadInt32();
IsSpecialLong = (length < 63);
}
BodyStart = reader.Position;
Body = reader.ReadBytes(length);
reader.Position = BodyStart;
}