C#

new ArgumentNullException("path", "The path argument may not be null.")<br />
new NullReferenceException("The operation resulted in a null reference.")<br />
new IndexOutOfRangeException("The position has to be in the range 0 to 9.")<br />

babutkchn wrote:

as you said i put the message property in constructor. even thne it shows the error i've mentioned in prev message

public MyException : ApplicationException<br />
{<br />
    public MyException(string message) : base (message)<br />
    {<br />
    }<br />
}

public override string Message
{
    get "test";
}

public override string Source
{
    get "test";
}

public override string Message
{
    get
    {
        return "test";
    }
}

public override string Source
{
    get
    {
        return "test";
    }
}

public CustomExp() : base("The message.") {
   this.Source = "The source.";
}

Martin# wrote:

Isn't Source also ReadOnly (Only get accessor)?