ChronopicRegisterPortList.Exists C# (CSharp) Method

    public bool Exists(ChronopicRegisterPort crp)
    {
        foreach(ChronopicRegisterPort c in L)
            if(c.SerialNumber == crp.SerialNumber)
                return true;

        return false;
    }

    protected void registerAddOrUpdate(ChronopicRegisterPort crp)
    {
        if (!crp.FTDI)
        {
            return;
        }

        if (!crpl.Exists(crp))
        {
            crpl.Add(crp);
        }
        else if (crpl.PortChanged(crp))
        {
            crpl.UpdatePort(crp, crp.Port);
        }
    }