public static void LongMemberToBytes(byte[] data, int fieldnumber, ref int offset, long val, bool useDef = true, long defval = 0L)
{
if (!useDef || val != defval)
{
int tag = fieldnumber << 3;
offset += ProtoUtil.IntToBytes(data, offset, tag);
offset += ProtoUtil.LongToBytes(data, offset, val);
}
}
