using System;
public class CountIsZeroException: ApplicationException{
public CountIsZeroException(){
}
public CountIsZeroException(string message) : base(message)
{
}
public CountIsZeroException(string message, Exception inner) : base(message, inner)
{
}
}
class MainClass{
public static void Main() {
try {
DoAverage();
}
catch (CountIsZeroException e)
{
Console.WriteLine("CountIsZeroException: {0}", e);
}
}
public static void DoAverage() {
throw(new CountIsZeroException("Zero count in DoAverage"));
}
}
CountIsZeroException: CountIsZeroException: Zero count in DoAverage
at MainClass.DoAverage()
at MainClass.Main()