C#

lukeer wrote:

cannot use both abstract and static keywords

PIEBALDconsult wrote:

Do you want each child class to have its own icon to be shared among the instances of that child class?

abstract class BaseClass
{
    protected static readonly Icon BaseIcon = new Icon("...");

    public abstract Icon DisplayIcon
    {
        get;
    }
}

class ChildClassOne : BaseClass
{
    static readonly Icon ChildIcon = new Icon("...");

    public override Icon  DisplayIcon
    {
        get { return ChildClassOne.ChildIcon; }
    }
}

class ChildClassTwo : BaseClass
{
    public override Icon DisplayIcon
    {
        get { return BaseClass.BaseIcon; }
    }
}

public class Base {
    private static Icon baseIcon=...;
    protected Icon myIcon=baseIcon;
...
}

public class Child : Base {
    private static Icon childIcon=...;

    public Child() {
        myIcon=childIcon;
    }
...
}

public class Base<T>
{
    protected static string icon ;

    public string
    Icon
    {
        get
        {
            return ( icon ) ;
        }
    }
}

public class Child1 : Base<Child1>
{
    static Child1
    (
    )
    {
        icon = "Child1" ;

        return ;
    }
}

public class Child2 : Base<Child2>
{
    static Child2
    (
    )
    {
        icon = "Child2" ;

        return ;
    }
}

private void btnStart_Click(object sender, EventArgs e)
        {
             //Makes sure serial port is open before trying to write
            try
            {
                if (!sp1.IsOpen)
                    sp1.Open();

                sp1.Write("*X01\r");

            }
            catch (Exception ex)
            {
                MessageBox.Show("Error opening/writing to serial port :: " + ex.Message, "Error!");
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // all of the options for a serial device
            // can be sent through the constructor of the SerialPort class
            // PortName = "COM1", Baud Rate = 9600, Parity = odd, 
            // Data Bits = 7, Stop Bits = One, Handshake = None
            sp1 = new SerialPort("COM1", 9600, Parity.Odd, 7, StopBits.One);
            sp1.Handshake = Handshake.None;
            sp1.DataReceived += new SerialDataReceivedEventHandler(sp_DataReceived);
            sp1.ReadTimeout = 500;
            sp1.WriteTimeout = 500;
            sp1.Open();
        }

        void sp_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            Thread.Sleep(100);
            string data = sp1.ReadExisting();
            this.BeginInvoke(new SetTextDeleg(si_DataReceived), new object[] { data });
        }

        private void si_DataReceived(string data)
        {
            char[] charsToTrim = {'X','0','1'};
            textBox1.Text = data.TrimStart(charsToTrim);
            
        }