wpf 如何定义热键

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本文代码来自vt
#region 定义钩子 引用dll        //public delegate int HookProc(int nCode, IntPtr wParam, IntPtr lParam);        public delegate int HookProc(int nCode, Int32 wParam, IntPtr lParam);        //安装钩子        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);        //卸载钩子        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        public static extern bool UnhookWindowsHookEx(int idHook);        //调用下一个钩子        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        public static extern int CallNextHookEx(int idHook, int nCode, Int32 wParam, IntPtr lParam);        //获取某个进程的句柄函数         [DllImport("kernel32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        private static extern IntPtr GetModuleHandle(string lpModuleName);        #endregion        #region 定义键盘钩子变量        /// <summary>定义钩子句柄 </summary>        public static int hKeyBoardHook = 0;        /// <summary> 键盘委托实例  </summary>         HookProc KeyboardHookProcedure;        /// <summary>  普通按键消息   </summary>         private const int WM_KEYDOWN = 0x100;        /// <summary>  系统按键消息   </summary>         private const int WM_SYSKEYDOWN = 0x104;        /// <summary> 键盘常量 </summary>        public const int WH_KEYBOARD_LL = 13;        [StructLayout(LayoutKind.Sequential)]        /// <summary> 声明键盘钩子的封送结构类型 </summary>        public class KeyboardHookStruct        {            public int vkCode; //表示一个在1到254间的虚似键盘码              public int scanCode; //表示硬件扫描码              public int flags;            public int time;            public int dwExtraInfo;        }        #endregion  /// <summary>        /// 注册键盘钩子        /// </summary>        private void InstallKeyBoardHook()        {            if (hKeyBoardHook == 0)            {                this.keyList = this.GetHotKeyConfig();                //if (this.keyList.Length > 0 && this.keyList.Length == 3)                //{                //    string[] key1 = this.keyList[0].Split('+');                //    MessageBox.Show(key1.Length + "\n"                //                    + key1[0] + "\n" + key1[1] + "\n" + key1[2] + "\n" + key1[3] + "\n");                //}                KeyboardHookProcedure = new HookProc(KeyboardHookProc);//实例化委托                Process curProcess = Process.GetCurrentProcess();                ProcessModule curModule = curProcess.MainModule;                hKeyBoardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardHookProcedure, GetModuleHandle(curModule.ModuleName), 0);            }        }        /// <summary>        /// 键盘Ctrl+C 为复制        /// </summary>        /// <param name="nCode"></param>        /// <param name="wParam"></param>        /// <param name="lParam"></param>        /// <returns></returns>        private int KeyboardHookProc(int nCode, Int32 wParam, IntPtr lParam)        {            if (nCode >= 0 && wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN)            {                KeyboardHookStruct MyKeyboardHookStruct = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct));                System.Windows.Forms.Keys keyData = (System.Windows.Forms.Keys)MyKeyboardHookStruct.vkCode;                if ((int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Control                     //&& (int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Alt                     //&& (int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Shift                     && keyData == System.Windows.Forms.Keys.Q)                {                    if (this.Visibility == Visibility.Hidden)//主窗口隐藏                    {                        if (win_FloatTray.bTrayState == true)//托盘显示                        {                            //调用按钮动画                            Thread thread_Left = new Thread(this.w_floatTray.Storyboards1);                            thread_Left.Start();                            //蜂鸣器                            Thread thread = new Thread(Buzzer1);                            thread.Start();                            //托盘拍照                            this.w_floatTray.CaptureImg_Tray(this.w_floatTray._listSelPlan[0].LBI,                                                            this.w_floatTray._listSelPlan[0].IPI,                                                            this.w_floatTray._listSelPlan[0].SI);                        }                        else                        {                            //呼出托盘                                                      this.Dispatcher.BeginInvoke(new Action(() =>                            {                                ShowTray_HideMain();                            }));                            Thread thread = new Thread(Buzzer2);                            thread.Start();                        }                    };                    return 1;//return1为了屏蔽原来的按键，如果去掉，则原来的按键和新的按键都会模拟按。                 }                if ((int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Control                     //&& (int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Alt                     //&& (int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Shift                     && keyData == System.Windows.Forms.Keys.W)                {                    if (win_FloatTray.bTrayState == true)//托盘显示                    {                        //调用按钮动画                        Thread thread_Top = new Thread(this.w_floatTray.Storyboards2);                        thread_Top.Start();                        //蜂鸣器                        Thread thread = new Thread(Buzzer1);                        thread.Start();                        //托盘拍照                        this.w_floatTray.CaptureImg_Tray(this.w_floatTray._listSelPlan[1].LBI,                                                        this.w_floatTray._listSelPlan[1].IPI,                                                        this.w_floatTray._listSelPlan[1].SI);                    }                    else                    {                        //呼出托盘                                                  this.Dispatcher.BeginInvoke(new Action(() =>                        {                            ShowTray_HideMain();                        }));                        Thread thread = new Thread(Buzzer2);                        thread.Start();                    }                    return 1;//return1为了屏蔽原来的按键，如果去掉，则原来的按键和新的按键都会模拟按。                 }                if ((int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Control                     //&& (int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Alt                     //&& (int)System.Windows.Forms.Control.ModifierKeys == (int)System.Windows.Forms.Keys.Shift                     && keyData == System.Windows.Forms.Keys.E)                {                    if (win_FloatTray.bTrayState == true)//托盘显示                    {                        //调用按钮动画                        Thread thread_Right = new Thread(this.w_floatTray.Storyboards3);                        thread_Right.Start();                        //蜂鸣器                        Thread thread = new Thread(Buzzer1);                        thread.Start();                         //托盘拍照                        this.w_floatTray.CaptureImg_Tray(this.w_floatTray._listSelPlan[2].LBI,                                                        this.w_floatTray._listSelPlan[2].IPI,                                                        this.w_floatTray._listSelPlan[2].SI);                    }                    else                    {                        //呼出托盘                                                  this.Dispatcher.BeginInvoke(new Action(() =>                        {                            ShowTray_HideMain();                        }));                        Thread thread = new Thread(Buzzer2);                        thread.Start();                    }                    return 1;//return1为了屏蔽原来的按键，如果去掉，则原来的按键和新的按键都会模拟按。                 }            }            return 0;        }
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