C#

Anant Y. Kulkarni wrote:

const int a = someVariable;

Hi,
The difference is --

The value of const is evaluated at compile time and the value of readonly are evaluated at runtime.
Means u cannot assign value to const at runtime like this --


const int a = someVariable;

but you can do --

readonly int a = someVariable;

When a field declaration includes a readonly modifier, assignments to the fields introduced by the declaration can only occur as part of the declaration or in a constructor in the same class.

A const field can only be initialized at the declaration of the field. A readonly field can be initialized either at the declaration or in a constructor. Therefore, readonly fields can have different values depending on the constructor used. Also, while a const field is a compile-time constant, the readonly field can be used for runtime constants.

Thread objThread = new Thread(new ThreadStart(this.FunctionName));<br />
objThread.Start();

  public void FunctionName()<br />
  {<br />
   ListViewItem lvi = new ListViewItem(new string[] { splitString[1],    splitString[2].Substring(0, 12), splitString[2].Substring(17, 12), tempstring });<br />
this.listView1.Items.Add(lvi);<br />
   }<br />

private void loadSubToolStripMenuItem_Click(object sender, EventArgs e)<br />
{<br />
    <br />
    OpenFileDialog1.Filter= "Srt File|*.srt";<br />
    OpenFileDialog1.Title = "Open SubTitle File";<br />
    try<br />
    {<br />
        if (OpenFileDialog1.ShowDialog() == DialogResult.OK)<br />
        {<br />
            Thread ReadThread = new Thread(new ThreadStart(ReadData));<br />
            ReadThread.Start();<br />
        }<br />
    }<br />
    catch (Exception)<br />
    {<br />
        MessageBox.Show("Can't Read this File");<br />
    }<br />
}

private void ReadData()<br />
{<br />
    listView1.Items.Clear();<br />
    StreamReader s = new StreamReader(OpenFileDialog1.FileName, Encoding.Default);<br />
    ArrayList a = new ArrayList();<br />
    while (s.Peek() >= 0)<br />
    {<br />
        string alltext = "";<br />
        string text = "";<br />
        while ((text = s.ReadLine()) != "" && text != null)<br />
        {<br />
            alltext += ("|" + text);<br />
        }<br />
        a.Add(alltext);<br />
    }<br />
    s.Close();<br />
    foreach (string text in a)<br />
    {<br />
        string[] splitString = text.Split('|');<br />
        string tempstring = "";<br />
        for (int i = 3; i < splitString.Length; i++)<br />
        {<br />
            tempstring += splitString[i];<br />
        }<br />
        ListViewItem lvi = new ListViewItem(new string[] { splitString[1], splitString[2].Substring(0, 12), splitString[2].Substring(17, 12), tempstring }); <br />
        this.listView1.Items.Add(lvi);<br />
    }<br />
    a.Clear();<br />
}