public void Unhook()
{
UnhookWindowsHookEx(hhook);
this.signals = null;
this.signal = null;
this.apiHelper = null;
}
public void Hook()
{
IntPtr hInstance = LoadLibrary("User32");
hhook = SetWindowsHookEx(WH_KEYBOARD_LL, HookProc, hInstance, 0);
this.signals = new List<Signal>();
this.signal = new Signal();
this.apiHelper = new ApiHelper();
}