Why do I get this error for this simple console app. It is complaining about
the 'timer1_Elapsed' argument in
System.Timers.ElapsedEventHandler(timer1_Elapsed);

An object reference is required for the nonstatic field, method, or property
'TestTimerIntervalFromConfig.Class1.timer1_Elapsed(object,
System.Timers.ElapsedEventArgs)'

using System;
using System.Configuration;
using System.Windows.Forms;
using System.Timers;
namespace TestTimerIntervalFromConfig
{
   class Class1
   {
       public System.Timers.Timer timer1;
       [STAThread]
       static void Main(string[] args)
       {
           System.Timers.Timer timer1 = new System.Timers.Timer();
           timer1.Elapsed += new
System.Timers.ElapsedEventHandler(timer1_Elapsed);
           double interval =
Convert.ToDouble(System.Configuration.ConfigurationSettings.AppSettings["interval"]);
           timer1.Interval = interval;
           timer1.Enabled = true;
       }
       private void timer1_Elapsed(object sender,
System.Timers.ElapsedEventArgs e)
       {
           MessageBox.Show("Refresh the queue with a new view !");
       }
   }
}

Thanks,  -Greg