X13.Periphery.MsDevice.CheckAddr C# (CSharp) Method

    private bool CheckAddr(byte[] addr) {
      Topic ta;
      if(addr==null) {
        return false;
      }
      if(this.Addr!=null && this.Addr.Length-1==addr.Length && this.Addr.Skip(1).SequenceEqual(addr)) {
        return true;
      }
      if(Owner!=null) {
        for(int i=0; i<3; i++) {
          if(Owner.Exist(string.Format(".cfg/_a_phy{0}", i), out ta) && ta.valueType==typeof(PLC.ByteArray)) {
            var act=(ta as DVar<PLC.ByteArray>).value;
            if(act!=null && act.GetBytes().Length==addr.Length && act.GetBytes().SequenceEqual(addr)) {
              return true;
            }
          }
        }
      }
      return false;
    }