#undef TRACE

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;


        public enum ProcessRespondingState
        {
            Responding,
            NotResponding,
            Unknown
        }

        static void Main(string[] args)
        {
            ProcessRespondingState state;
            foreach (Process p in Process.GetProcesses())
            {
                state = IsProcessResponding(p);
                if (state == ProcessRespondingState.NotResponding)
                {
                    Console.WriteLine("{0} Process not responding", p.ProcessName);
                }
                if (state == ProcessRespondingState.Responding)
                {
                    Console.WriteLine("{0} process responding", p.ProcessName);
                }
                if (state == ProcessRespondingState.Unknown)
                {
                    Console.WriteLine("{0} process state unknown", p.ProcessName);
                }
            }
            Console.Read();
        }

        public static ProcessRespondingState IsProcessResponding(Process process)
        {
            if (process.MainWindowHandle == IntPtr.Zero)
            {
                Trace.WriteLine("{0} does not have a MainWindowHandle",
                    process.ProcessName);
                return ProcessRespondingState.Unknown;
            }
            else
            {
                // This process has a MainWindowHandle.
                if (!process.Responding)
                {
                    Trace.WriteLine("{0} is not responding.", process.ProcessName);
                    return ProcessRespondingState.NotResponding;
                }
                else
                {
                    Trace.WriteLine("{0} is responding.", process.ProcessName);
                    return ProcessRespondingState.Responding;
                }
            }
        }

        
    }
}