UnhandledException

Sample.UnhandledException.cs

// in console application
class Program
{
    static void Main(string[] args)
    {
        AppDomain currentDomain = AppDomain.CurrentDomain;
        currentDomain.UnhandledException += currentDomain_UnhandledException;



        Console.ReadLine();
    }

    static void currentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
    {
        Exception ex = (Exception)e.ExceptionObject;

        // logging and warning messages

        Console.WriteLine("MyHandler caught : " + ex.Message);
        Console.WriteLine("Runtime terminating: {0}", e.IsTerminating);

    }
}


// in windows form application
static class Program
{
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main()
    {
        Application.ThreadException += Application_ThreadException;

        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new Form1());
    }

    static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
    {
        Exception ex = e.Exception;

        MessageBox.Show(ex.Message);            
    }
}