using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace ConsoleKeyhook
{
class Hooky
{
///////////////////////////////////////////////////////////
//A bunch of DLL Imports to set a low level keyboard hook
///////////////////////////////////////////////////////////
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr SetWindowsHookEx(int idHook,
LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool UnhookWindowsHookEx(IntPtr hhk);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode,
IntPtr wParam, IntPtr lParam);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr GetModuleHandle(string lpModuleName);
////////////////////////////////////////////////////////////////
//Some constants to make handling our hook code easier to read
////////////////////////////////////////////////////////////////
private const int WH_KEYBOARD_LL = 13; //Type of Hook - Low Level Keyboard
private const int WM_KEYDOWN = 0x0100; //Value passed on KeyDown
private const int WM_KEYUP = 0x0101; //Value passed on KeyUp
private static LowLevelKeyboardProc _proc = HookCallback; //The function called when a key is pressed
private static IntPtr _hookID = IntPtr.Zero;
private static bool CONTROL_DOWN = false; //Bool to use as a flag for control key
public static void Main()
{
_hookID = SetHook(_proc); //Set our hook
Application.Run(); //Start a standard application method loop
}
private static IntPtr SetHook(LowLevelKeyboardProc proc)
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
return SetWindowsHookEx(WH_KEYBOARD_LL, proc,
GetModuleHandle(curModule.ModuleName), 0);
}
}
private delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN) //A Key was pressed down
{
int vkCode = Marshal.ReadInt32(lParam); //Get the keycode
string theKey = ((Keys)vkCode).ToString(); //Name of the key
Console.Write(theKey); //Display the name of the key
if (theKey.Contains("ControlKey")) //If they pressed control
{
CONTROL_DOWN = true; //Flag control as down
}
else if (CONTROL_DOWN && theKey == "B") //If they held CTRL and pressed B
{
Console.WriteLine("\n***HOTKEY PRESSED***"); //Our hotkey was pressed
}
else if (theKey == "Escape") //If they press escape
{
UnhookWindowsHookEx(_hookID); //Release our hook
Environment.Exit(0); //Exit our program
}
}
else if (nCode >= 0 && wParam == (IntPtr)WM_KEYUP) //KeyUP
{
int vkCode = Marshal.ReadInt32(lParam); //Get Keycode
string theKey = ((Keys)vkCode).ToString(); //Get Key name
if (theKey.Contains("ControlKey")) //If they let go of control
{
CONTROL_DOWN = false; //Unflag control
}
}
return CallNextHookEx(_hookID, nCode, wParam, lParam); //Call the next hook
}
}
}
Доказать можно что он твой по документам(гарантийный талон или чек) - на ноуте есть наклейка с серийным номером как и в документе подтверждающим владение. Или путем экспертизы - по остаточными данным на жестком диске или по лиценизии ОС вшитой в биос.