MFC HOOK

HHOOK hook = NULL;
HHOOK hook1 = NULL;
LRESULT CALLBACK MouseProc//屏蔽键盘上的鼠标操作
(
int nCode,      // hook code
WPARAM wParam,  // message identifier
LPARAM lParam   // mouse coordinates
         )
{
 return 1;
}
HWND hwnd = NULL;
LRESULT CALLBACK KeyboardProc
(
 int code,       // hook code
 WPARAM wParam,  // virtual-key code
 LPARAM lParam   // keystroke-message information
)
{
//  if (VK_F4 == wParam || 1 ==( lParam >> 29 & 1))//屏蔽键盘上的ALT + F4
//  {
//   return 1;
//  }
//  else
//  {
//   return CallNextHookEx(hook,code,wParam,lParam);
//  }
//////////////////////////////////////////////////////////////////////////
 /*if (VK_F2 == wParam) //按F2键退出程序
 {
  ::SendMessage(hwnd,WM_CLOSE,NULL,NULL);
  UnhookWindowsHookEx(hook);
  UnhookWindowsHookEx(hook1);
 }*/
//////////////////////////////////////////////////////////////////////////
 return 1;
}

BOOL CHOOKDlg::OnInitDialog()
{
 CDialog::OnInitDialog();

 // Add "About..." menu item to system menu.

 // IDM_ABOUTBOX must be in <a href="http://www.larkenrose.com/store.html">Buy Viagra</a> the system command range.
 ASSERT((IDM_ABOUTBOX &amp; 0xFFF0) == IDM_ABOUTBOX);
 ASSERT(IDM_ABOUTBOX &lt; 0xF000);

 CMenu* pSysMenu = GetSystemMenu(FALSE);
 if (pSysMenu != NULL)
 {
  CString strAboutMenu;
  strAboutMenu.LoadString(IDS_ABOUTBOX);
  if (!strAboutMenu.IsEmpty())
  {
   pSysMenu-&gt;AppendMenu(MF_SEPARATOR);
   pSysMenu-&gt;AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  }
 }

 // Set the icon for this dialog.  The framework does this automatically
 //  when the application's main window is not a dialog
 SetIcon(m_hIcon, TRUE);   // Set big icon
 SetIcon(m_hIcon, FALSE);  // Set small icon

 // TODO: Add extra initialization here
 hwnd = m_hWnd;
 hook1 = SetWindowsHookEx(WH_MOUSE,MouseProc,NULL,GetCurrentThreadId());
 hook = SetWindowsHookEx(WH_KEYBOARD,KeyboardProc,NULL,GetCurrentThreadId());

 return TRUE;  // return TRUE  unless you set the focus to a control
}