C#

BobJanova wrote:

I really don't think it should do that, but that's a separate discussion

public class MyString
{
    private string value;

    public MyString(string value)
    {
        this.value = value;
    }

    public static implicit operator string(MyString myString)
    {
        return myString.value;
    }
    public static implicit operator MyString(string value)
    {
        return new MyString(value);
    }

    public override string ToString()
    {
        return value;
    }
}

MyString one = " ";
MyString two = "2";
MyString three = " ";

listBox.Items.Add(one);
listBox.Items.Add(two);
listBox.Items.Add(three);

using System;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        // listBox added in designer
        // buttonRemove added in designer
        // buttonRemove Click handler added in designer
        public Form1()
        {
            InitializeComponent();
            listBox.Items.Add(new MyString(" "));
            listBox.Items.Add(new MyString("2"));
            listBox.Items.Add(new MyString(" "));
        }

        private void buttonRemove_Click(object sender, EventArgs e)
        {
            if (listBox.SelectedItem != null)
                listBox.Items.Remove(listBox.SelectedItem);
        }
    }
}

public class MyString : IEquatable<MyString>
{
    private string value;

    public MyString(string value)
    {
        this.value = value;
    }

    public static implicit operator MyString(string value)
    {
        return new MyString(value);
    }
    public static implicit operator string(MyString myString)
    {
        return myString.value;
    }
    public static bool operator ==(MyString first, MyString other)
    {
        if (object.ReferenceEquals(first, other))
            return true;
        if (object.ReferenceEquals(null, first) || object.ReferenceEquals(null, other))
            return false;
        return first.value == other.value;
    }
    public static bool operator !=(MyString first, MyString other)
    {
        return !(first == other);
    }

    public override bool Equals(object obj)
    {
        return Equals(obj as MyString);
    }
    public bool Equals(MyString other)
    {
        if (object.ReferenceEquals(null, other))
            return false;
        return value.Equals(other.value);
    }
    public override int GetHashCode()
    {
        return value.GetHashCode();
    }
    public override string ToString()
    {
        return value;
    }
}

public class BaseClass
{
   public BaseClass(string something)
   {
   }
}


public class DerivedClass : BaseClass
{
    public DerivedClass(string something, int other)
            : base(something)
    {
    }
}

Marco Bertschi wrote:

You can treat them as Serial port

willington.d wrote:

How to do this in c#? Is there any Namespase or thrd party dll available?

private SerialPort _port;       //Serial port (USB)
const int BAUDRATE = 9600;      //Baud-Rate of the serial port (must be the same value on the other device)
const string COMPORT = "COM8";  //Name of the port
delegate void DisplayArduinoSerialOutput(string arduinoSerialOutput); //Delegate to display the serial input buffers' content to the User

/// <summary>
/// This method initializes the COM-Port
/// </summary>
private void InitCOMPort()
{
   _port = new SerialPort(COMPORT) { BaudRate = BAUDRATE };
   //Event occurs when any data arrives at the port
   _port.DataReceived += new   SerialDataReceivedEventHandler(_port_DataReceived); 
   //Open the port 
   //An exception can rise if another program blocked
   //the port
   _port.Open();
}

/// <summary>
/// Occurs when new data is available at the ports input buffer
/// </summary>
/// <param name="sender">the sender of the event (usually the port)</param>
/// <param name="e">Some event args, not used at the moment</param>
private void _port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
   DisplayArduinoSerialOutput displayArduinoSerialOutput = new DisplayArduinoSerialOutput(arduinoSerialOutputTextBox.AppendText);
   SerialPort spL = (SerialPort)sender;
   this.Dispatcher.Invoke(displayArduinoSerialOutput, spL.ReadExisting());
}