windows mobile 鍵盤鉤子 屏蔽按鍵

封裝好的類，直接添加到工程中使用。

    public class KeyBoardHookClass    {        public delegate int HookProc(int nCode, int wParam,ref KeyMSG lParam);         //聲明代理，用於回呼函數        private static int hKeyboardHook = 0;        private HookProc KeyboardHookProcedure;        //win32下使用user32.dll  windows mobile 下使用coredll.dll        //設定鉤子        [DllImport("coredll.dll",EntryPoint = "SetWindowsHookEx")]        public static extern int SetWindowsHookEx(HookType idHook, HookProc lpfn, IntPtr hInstance, int threadId);        //抽調鉤子        [DllImport("coredll.dll", EntryPoint = "UnhookWindowsHookEx")]        public static extern bool UnhookWindowsHookEx(int idHook);        [DllImport("coredll.dll", EntryPoint = "GetCurrentThreadId")]        public static extern int GetCurrentThreadId();        [DllImport("coredll.dll", EntryPoint = "GetModuleHandle")]        public static extern IntPtr GetModuleHandle(string name);        [DllImport("coredll.dll", EntryPoint = "CallNextHookEx")]        public static extern int CallNextHookEx(int idHook, int nCode, int wParam, ref KeyMSG lParam);        //鉤子類型        public enum HookType        {            WH_KEYBOARD = 2,            WH_KEYBOARD_LL = 20        }        //索引值枚舉        public enum KeyValueMap : int        {            VK_TEND = 0x73,                   // 掛斷鍵            VK_TTALK = 0x72,                  //撥號鍵            WM_KEYDOWN = 0x0100,            WM_KEYUP = 0x0101,            WM_SYSKEYDOWN = 0x0104,            WM_SYSKEYUP = 0x0105        }        //鍵盤結構         public struct KeyMSG        {            public int vkCode; //索引值             public int scanCode;            public int flags;            public int time;            public int dwExtraInfo;        }        public void StartHook()        {            //安裝鍵盤鉤子               try            {                KeyboardHookProcedure = new HookProc(KeyboardHookProc);                hKeyboardHook = SetWindowsHookEx(HookType.WH_KEYBOARD_LL, KeyboardHookProcedure, IntPtr.Zero, 0);            }            catch (Exception ex)            {                StopHook();                throw new Exception(ex.ToString() + "安裝鉤子失敗.");            }        }        public void StopHook()        {            try            {                UnhookWindowsHookEx(hKeyboardHook);            }            catch (Exception ex)            {                throw new Exception(ex.ToString() + "卸下鉤子失敗.");            }        }        //鉤子回呼函數        private int KeyboardHookProc(int nCode, int wParam, ref KeyMSG lParam)        {            if (nCode >= 0)            {                //Keys keyData = (Keys)wParam;                            //wParam用於判斷是按鍵按下還是彈起                KeyMSG m = (KeyMSG)lParam;                if (wParam == (int)KeyValueMap.WM_KEYDOWN || wParam == (int)KeyValueMap.WM_KEYUP || wParam == (int)KeyValueMap.WM_SYSKEYDOWN || wParam == (int)KeyValueMap.WM_SYSKEYUP)                             //key down                {                    //處理相關代碼                    switch (m.vkCode)                    {                        case (int)KeyValueMap.VK_TEND:                   //屏蔽掉掛斷鍵                        case (int)KeyValueMap.VK_TTALK:                            {                                return 1;                            }                    }                }            }            return CallNextHookEx(hKeyboardHook, nCode, wParam,ref lParam);        }    }