Automatically Starting Your Application on Windows Mobile

using System;
using System.Linq;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using Win32;

namespace ShowCommandLine
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [MTAThread]
static void Main(string[] args)
{
    IntPtr eventHandle = IntPtr.Zero;
    const string ApplicationEventName = "ShowCommandLineEvent";  //We will use this as our handle to 
                                                                 //to ensure only one instance of the
                                                                 //program is started            
    try
    {
        //Try to create the event.  If the creation fails then it is 
        //because another instance of this application is already 
        //running. If another instance exists then this instance
        //should immediatly terminate.
        eventHandle = CoreDLL.CreateEvent(IntPtr.Zero, true, false, ApplicationEventName);
        int lastError = Marshal.GetLastWin32Error();
        //MessageBox.Show(String.Format("event handle {0}",eventHandle));
        
        if (0 == lastError)
        {
            Form1 form = new Form1();
            form.Args = args;
            Application.Run(form);
        }
    }
    finally
    {
        //When the application is no longer running it should release the event
        if (eventHandle != IntPtr.Zero)
            CoreDLL.CloseHandle(eventHandle);
    }
}
    }
}