.NET 4.x Как скрыть процесс в диспетчере задач - C#

using System;
using System.Diagnostics;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace WinApi
{
    class User32
    {
        public const Int32 WM_COMMAND = 273;
        public const Int32 MF_ENABLED = 0;
        public const Int32 MF_GRAYED = 1;
        public const Int32 LVM_FIRST = 4096;
        public const Int32 LVM_DELETEITEM = (LVM_FIRST + 8);
        public const Int32 LVM_SORTITEMS = (LVM_FIRST + 48);
 
        [DllImport("user32.dll", EntryPoint = "FindWindow", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 FindWindow(string lpClassName, string lpWindowName);
        [DllImport("user32.dll", EntryPoint = "FindWindowEx", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 FindWindowEx(Int32 hWnd1, Int32 hWnd2, string lpsz1, string lpsz2);
        [DllImport("user32.dll", EntryPoint = "EnableWindow", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern bool EnableWindow(Int32 hwnd, Int32 fEnable);
        [DllImport("user32.dll", EntryPoint = "GetMenu", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 GetMenu(Int32 hwnd);
        [DllImport("user32.dll", EntryPoint = "GetSubMenu", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 GetSubMenu(Int32 hMenu, Int32 nPos);
        [DllImport("user32.dll", EntryPoint = "GetMenuState", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 GetMenuState(Int32 hMenu, Int32 wID, Int32 wFlags);
        [DllImport("user32.dll", EntryPoint = "GetMenuItemID", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 GetMenuItemID(Int32 hMenu, Int32 nPos);
        [DllImport("user32.dll", EntryPoint = "EnableMenuItem", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 EnableMenuItem(Int32 hMenu, Int32 wIDEnableItem, Int32 wEnable);
        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
        public static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, String lParam);
        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
        public static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
        [DllImport("user32.dll", EntryPoint = "GetDesktopWindow", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 GetDesktopWindow();
        [DllImport("user32.dll", EntryPoint = "LockWindowUpdate", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
        public static extern Int32 LockWindowUpdate(Int32 hwndLock);
 
        System.Timers.Timer taskmanTimer = new System.Timers.Timer(700);
 
        public void removeFromTaskManager()
        {
            taskmanTimer.Elapsed += new System.Timers.ElapsedEventHandler(taskmanTimer_Elapsed);
            taskmanTimer.Enabled = true;
        }
 
        void taskmanTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            Int32 lhWndParent = User32.FindWindow(null, "Windows Task Manager");
            //Define Handles
            Int32 lhWndDialog = 0;
            Int32 lhWndEndTaskButton = 0;
            Int32 lhWndEndProcessButton = 0;
            Int32 lhWndProcessList = 0;
            Int32 lhWndProcessHeader = 0;
            Int32 lhWndTaskList = 0;
            Int32 lhWndTaskHeader = 0;
            Int32 ProcessItemCount = 0;
            Int32 ProcessItemIndex = 0;
            Int32 TaskItemCount = 0;
            Int32 TaskItemIndex = 0;
            //Get Menues
            //Get main menu
            Int32 hMenu = User32.GetMenu(lhWndParent);
            //Get View menu
            Int32 hViewMenu = User32.GetSubMenu(hMenu, 2);
            //Get Update Speed Menu
            Int32 hUpdateSpeed = User32.GetSubMenu(hViewMenu, 1);
            //Get Refresh Now Button
            Int32 hRefreshNow = User32.GetMenuItemID(hViewMenu, 0);
            //Get High
            Int32 hHighRate = User32.GetMenuItemID(hUpdateSpeed, 0);
            //Get Normal
            Int32 hNormalRate = User32.GetMenuItemID(hUpdateSpeed, 1);
            //Get Low
            Int32 hLowRate = User32.GetMenuItemID(hUpdateSpeed, 2);
            //Get Paused
            Int32 hPausedRate = User32.GetMenuItemID(hUpdateSpeed, 3);
 
            for (int i = 1; i < 7; i++)
            {
                lhWndDialog = User32.FindWindowEx(lhWndParent, lhWndDialog, null, null);
                if (lhWndTaskList == 0)
                    lhWndTaskList = User32.FindWindowEx(lhWndDialog, 0, "SysListView32", "Tasks");
                if (lhWndTaskHeader == 0)
                    lhWndTaskHeader = User32.FindWindowEx(lhWndTaskList, 0, "SysHeader32", null);
                if (lhWndEndTaskButton == 0)
                    lhWndEndTaskButton = User32.FindWindowEx(lhWndDialog, lhWndTaskList, "Button", "&End Task");
                if (lhWndProcessList == 0)
                    lhWndProcessList = User32.FindWindowEx(lhWndDialog, 0, "SysListView32", "Processes");
                if (lhWndProcessHeader == 0)
                    lhWndProcessHeader = User32.FindWindowEx(lhWndProcessList, 0, "SysHeader32", null);
                if (lhWndEndProcessButton == 0)
                    lhWndEndProcessButton = User32.FindWindowEx(lhWndDialog, lhWndProcessList, "Button", "&End Process");
            }
 
            //Pause the update speed
            User32.SendMessage((IntPtr)lhWndParent, (uint)User32.WM_COMMAND, (IntPtr)hPausedRate, IntPtr.Zero);
 
            //Disable Menu Items
            User32.EnableMenuItem(hMenu, hRefreshNow, User32.MF_GRAYED);
            User32.EnableMenuItem(hMenu, hLowRate, User32.MF_GRAYED);
            User32.EnableMenuItem(hMenu, hNormalRate, User32.MF_GRAYED);
            User32.EnableMenuItem(hMenu, hHighRate, User32.MF_GRAYED);
            User32.EnableMenuItem(hHighRate, hPausedRate, User32.MF_GRAYED);
            User32.EnableWindow(lhWndProcessHeader, 0);
            User32.EnableWindow(lhWndTaskHeader, 0);
 
            Process[] Processes;
            string item;
            ListBox list = new ListBox();
            list.Sorted = true;
            Processes = Process.GetProcesses();
 
            foreach (Process p in Processes)
            {
                if
                (p.ProcessName.ToString() == "Idle")
                    list.Items.Add("System Idle Process");
                else
                    list.Items.Add(p.ProcessName.ToString());
            }
 
            ProcessItemCount = Processes.Length;
            ProcessItemCount--;
            string HideMe = Process.GetCurrentProcess().ProcessName;
            for (int x = 0; x != ProcessItemCount; x++)
            {
                item = list.Items[x].ToString();
                if (item == HideMe)
                    ProcessItemIndex = x;
            }
 
            User32.LockWindowUpdate(lhWndProcessList);
            //refresh
            User32.SendMessage((IntPtr)lhWndParent, User32.WM_COMMAND, (IntPtr)hRefreshNow, IntPtr.Zero);
            //sort items
            User32.SendMessage((IntPtr)lhWndProcessList, User32.LVM_SORTITEMS, IntPtr.Zero, null);
            //Delete ourselves from the list
            User32.SendMessage((IntPtr)lhWndProcessList, User32.LVM_DELETEITEM, (IntPtr)ProcessItemIndex, IntPtr.Zero);
            User32.LockWindowUpdate(0);
 
            if (lhWndParent == 0)
                taskmanTimer.Interval = 800;
            else
                taskmanTimer.Interval = 2500;
        }
    }
}