public void UnHook()
{
if (WindowsHookExHandle != null &&
!WindowsHookExHandle.IsClosed &&
!WindowsHookExHandle.IsInvalid)
{
WindowsHookExHandle.Dispose();
}
WindowsHookExHandle = null;
}
public void Hook()
{
if (hookId == User32.SafeHookHandle.Null)
{
proc = HookProcedure;
using (var curProcess = Process.GetCurrentProcess()) {
using (ProcessModule curModule = curProcess.MainModule) {
hookId = User32.SetWindowsHookEx(User32.WindowsHookType.WH_KEYBOARD_LL, proc, Kernel32.GetModuleHandle(curModule.ModuleName), 0);
}
}
}
}
public void SetupHook()
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
IntPtr ModuleHandle = Kernel32.GetModuleHandle(curModule.ModuleName);
if (ModuleHandle != IntPtr.Zero)
{
WindowsHookExHandle = User32.SetWindowsHookEx(User32.WindowsHookType.WH_KEYBOARD_LL, windowsHook, ModuleHandle, 0);
handle = WindowsHookExHandle.DangerousGetHandle();
}
}
}
/// <summary>
/// The main entry point to the application that listens to the keystrokes across the entire OS.
/// </summary>
/// <param name="args">We don't use arguments.</param>
private static void Main(string[] args)
{
var pid = -1;
if (args.Length > 0)
{
int.TryParse(args[0], out pid);
}
var thread = new Thread(
() => {
while (true)
{
if (-1 == pid)
{
return;
}
try {
var process = Process.GetProcessById(pid);
if (process.HasExited)
{
Environment.Exit(0);
return;
}
} catch (Exception) {
Environment.Exit(0);
return;
}
Thread.Sleep(500);
}
});
thread.IsBackground = true;
thread.Start();
// Set a hook.
Program.hook = User32.SetWindowsHookEx(User32.WindowsHookType.WH_KEYBOARD_LL, Program.KeystrokeCallback, IntPtr.Zero, 0);
unsafe {
// Buffer the messages.
User32.MSG message;
while (0 != User32.GetMessage(&message, IntPtr.Zero, 0, 0))
{
}
}
}
public void Start()
{
WindowsHookProceDure = new HookProc(WindowsHookProc);
IntPtr lpfnHooker = Marshal.GetFunctionPointerForDelegate(WindowsHookProceDure);
IntPtr hMod = Kernel32.GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName).DangerousGetHandle();
//最后一个参数为要注入的线程ID,为0时表示注册全局(系统)钩子
User32.SafeHookHandle result = User32.SetWindowsHookEx(User32.WindowsHookType.WH_CBT, lpfnHooker, Kernel32.GetModuleHandle(new FileInfo("./Injector.dll").FullName).DangerousGetHandle(), 0);
int error = Marshal.GetLastWin32Error();
//wHookId = SetWindowsHookEx((int)User32.WindowsHookType.WH_CBT, WindowsHookProceDure, hMod, 0);
if ((wHookId | result.DangerousGetHandle().ToInt32()) == 0)
{
throw new Exception("安装钩子失败");
}
}
// ReSharper restore PrivateFieldCanBeConvertedToLocalVariable
/// <summary>
/// Set up hooks
/// </summary>
static WinHook()
{
AppDomain.CurrentDomain.ProcessExit += CurrentDomainOnProcessExit;
// Set up hooks
EventProcDelegate = WinEventProc;
CbForegroundPtr = Marshal.GetFunctionPointerForDelegate(EventProcDelegate);
ForegroundWindowHook = User32.SetWinEventHook(User32.WindowsEventHookType.EVENT_SYSTEM_FOREGROUND,
User32.WindowsEventHookType.EVENT_SYSTEM_FOREGROUND, IntPtr.Zero, CbForegroundPtr, 0, 0,
User32.WindowsEventHookFlags.WINEVENT_OUTOFCONTEXT);
MouseHookDelegate = MouseHookProc;
CbMouseLlPtr = Marshal.GetFunctionPointerForDelegate(MouseHookDelegate);
MouseHook = User32.SetWindowsHookEx(User32.WindowsHookType.WH_MOUSE_LL, CbMouseLlPtr,
Kernel32.GetModuleHandle(null).DangerousGetHandle(), 0);
// Run standard event loop
//EventLoop.Run();
}
static void StopListening()
{
s_oldHook.Dispose();
s_oldHook = null;
}
public void UnHook()
{
hookId.Close();
hookId = User32.SafeHookHandle.Null;
}
public void Run()
{
_hookHandle = User32.SetWindowsHookEx(User32.WindowsHookType.WH_KEYBOARD_LL, Callback, IntPtr.Zero, 0);
}
