Windows Mobile Overriding Cprog.exe

using System;
using System.Linq;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.WindowsMobile.Telephony;
using Microsoft.WindowsMobile.Status;
using System.Runtime.InteropServices;
 
namespace celldialer3
{
    public partial class CallKab : Form
    {
        Microsoft.WindowsMobile.Telephony.Phone p;
        SystemState _PhoneCallTalking; // declare it here, so it won't fall out of scope
        SystemState _PhoneIncomingCall;
        const int KEYEVENTF_KEYUP = 0x2;
        const int KEYEVENTF_KEYDOWN = 0x0;
        const int KEYEVENTFF_KEYUP = 0x72;
 
        [DllImport("coredll.dll")]
        public static extern void keybd_event(Keys bVk, byte bScan, int dwFlags, int dwExtraInfo);
 
        public CallKab()
        {
            InitializeComponent();
            p = new Microsoft.WindowsMobile.Telephony.Phone();
            p.Talk("9497433374");
            InitializeComponent();
            _PhoneCallTalking = new SystemState(SystemProperty.PhoneCallTalking);
            _PhoneCallTalking.Changed += new ChangeEventHandler(_PhoneCallTalking_Changed);
            _PhoneIncomingCall = new SystemState(SystemProperty.PhoneIncomingCall);
            _PhoneIncomingCall.Changed += new ChangeEventHandler(_PhoneIncomingCall_Changed);
        }
 
        private bool wasTerminated = false;
 
void _PhoneCallTalking_Changed(object sender, ChangeEventArgs args)
        {
            // this should stop both incoming and outgoing voice calls
            if (SystemState.PhoneCallTalking == true)
            {
                //F4 = red buton (hangup)
                keybd_event(Keys.F4, 0, KEYEVENTF_KEYDOWN, 0);
                keybd_event(Keys.F4, 0, KEYEVENTF_KEYUP, 0);
                wasTerminated = true;
                System.Threading.Thread.Sleep(500);  
            }
            // I'd delete above Sleep() or make it shorter
            // otherwise I'm not sure what happens first - this handler is
            // called again with PhoneCallTalking = false
            // or the next one with IncomingCall = false when you close
            // incoming call
            else if (SystemState.PhoneCallTalking == false)
            {
                if (!wasTerminated)
                {
                    MessageBox.Show("TESTING123XX1");
                    Application.Exit();
                }
                wasTerminated = false;
            }
        } 
 
 
        void _PhoneIncomingCall_Changed(object sender, ChangeEventArgs args)
        {
           MyNewFunction();
        }
 
        void MyNewFunction()
        {
            System.Threading.Thread.Sleep(8000);
 
            for (int i = 0; i <= 20; i++)
            {
                if (SystemState.PhoneIncomingCall == true)
                {
                    keybd_event(Keys.F3, 0, KEYEVENTF_KEYDOWN, 0);
                    keybd_event(Keys.F3, 0, KEYEVENTFF_KEYUP, 0);
                    System.Threading.Thread.Sleep(500);
 
                    Application.Exit();
                }
 
                if (SystemState.PhoneIncomingCall == false)
                {
                    MessageBox.Show(" Could Not Recieve Server Connection");
 
                  
                }
            }
        }
    }
}

                                              

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