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  • 热键1,效果图和全代码

    unit Unit1;
    
    interface
    
    uses
      Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
      Dialogs, StdCtrls, ActnList, ComCtrls, ExtCtrls;
    
    type
      TForm1 = class(TForm)
        btn1: TButton;
        grp1: TGroupBox;
        btn2: TButton;
        grp2: TGroupBox;
        lbl1: TLabel;
        actlst1: TActionList;
        lbl2: TLabel;
        lbl3: TLabel;
        act1: TAction;
        act2: TAction;
        act3: TAction;
        grp3: TGroupBox;
        btn3: TButton;
        btn4: TButton;
        grp4: TGroupBox;
        hk1: THotKey;
        btn5: TButton;
        grp5: TGroupBox;
        lst1: TListBox;
        btn6: TButton;
        grp6: TGroupBox;
        lbl4: TLabel;
        btn7: TButton;
        grp7: TGroupBox;
        lbl5: TLabel;
        btn8: TButton;
        tmr1: TTimer;
        procedure btn1Click(Sender: TObject);
        procedure btn2Click(Sender: TObject);
        procedure act1Execute(Sender: TObject);
        procedure act2Execute(Sender: TObject);
        procedure act3Execute(Sender: TObject);
        procedure FormCreate(Sender: TObject);
        procedure btn3Click(Sender: TObject);
        procedure btn4Click(Sender: TObject);
        procedure btn5Click(Sender: TObject);
        procedure FormDestroy(Sender: TObject);
        procedure btn6Click(Sender: TObject);
        procedure btn7Click(Sender: TObject);
        procedure btn8Click(Sender: TObject);
        procedure tmr1Timer(Sender: TObject);
      private
        procedure WmHotKey(var msg:TMessage); message WM_HOTKEY;//自定义快捷键响应函数
        procedure GetCombination(Modifiers: Word); //获取所有系统热键
        procedure ScanHotKeys; //获取所有系统热键
      public
        { Public declarations }
      end;
    
    var
      Form1: TForm1;
    
    implementation
    
    {$R *.dfm}
    
    var
      Hook :HHook;//钩子句柄
    
    {键盘回调函数
    LRESULT CALLBACK KeyboardProc(
        int code,
        WPARAM wParam,
        LPARAM lParam
    );}
    function LowLevelKeyboardProc(vNode:Integer;wParam:WPARAM;lParam:LPARAM):LRESULT;stdcall;
    (*自定义消息结构体
     typedef struct tagMSG
     {
     HWND hwnd; 消息将要发送到的那个窗口的句柄,用这个参数可以决定让哪个窗口接收消息
     UINT message; 消息号,它唯一标识了一种消息类型。每种消息类型都在Windows文件进行了预定义。
     WPARAM wParam; 一个32位的消息参数,这个值的确切意义取决于消息本身。
     LPARAM lParam;同上。
     DWORD time;消息放入消息队列中的时间,在这个域中写入的并非当时日期,而是从Windows启动后所测量的时间值。
     POINT pt;消息放入消息队列时的鼠标坐标。
     } MSG, *PMSG;
     *)
    type
    KbDllHookStruct = record
         vkCode:DWord;
         ScanCode:DWord;
         Flags:DWord;
         Time:DWord;
         dwExtraInfo:DWord;
    end;
    var
    P:^KbDllHookStruct;//定义消息指针
    begin
      Result := 0;//如果为0则表示失败
      P := Pointer(LPARAM);//消息结构图转换为指针
      if vNode = HC_ACTION then //如果这个消息wParam和lParam包含了按键消息
      begin
        case wParam of //判断这个消息为按下键或者按下放开系统键
          WM_KEYUP,WM_SYSKEYUP:
          if (p.vkCode =  VK_HOME) {OR (p.vkCode =  VK_RWIN)}//判断按下的是不是左右Win键盘
          then begin
            Form1.Text := '您按下了Home键!';
            //ShowMessage('您按下了Home键!');
            Result := 1; //返回1
          end;
        end;
        {如果 code不为按键消息,则 必须让KeyboardProc()函数返回CallNextHookEx()}
        if vNode <> 0 then //如果这个消息
          Result := CallNextHookEx(0,vNode,wParam,lParam);
      end;
    end;
    
    {注册钩子}
    procedure TForm1.btn1Click(Sender: TObject);
    begin
    (*HHOOK SetWindowsHookEx(
                int idHook,钩子的类型,即它处理的消息类型
                HOOKPROC lpfn,
    钩子子程的地址指针。如果dwThreadId参数为0 或是一个由别的进程创建的线程的标识,
    lpfn必须指向DLL中的钩子子程。除此以外,lpfn可以指向当前进程的一段钩子子程代码。
    钩子函数的入口地址,当钩子钩到任何消息后便调用这个函数。
                HINSTANCE hMod, 应用程序实例的句柄。标识包含lpfn所指的子程的DLL。
    如果dwThreadId 标识当前进程创建的一个线程,而且子程代码位于当前进程,hMod必须为NULL。
    可以很简单的设定其为本应用程序的实例句柄。
                DWORD dwThreadId 与安装的钩子子程相关联的线程的标识符。如果为0,钩子子程
    与所有的线程关联,即为全局钩子。);*)
    {WH_KEYBOARD_LL为13是键盘钩子}
     Hook := SetWindowsHookEx(WH_KEYBOARD_LL,LowLevelKeyboardProc,hInstance,0);
    end;
    
    {卸载钩子}
    procedure TForm1.btn2Click(Sender: TObject);
    begin
      UnHookWindowsHookEx(Hook);//卸载钩子
    end;
    
    {锁定大小写}
    procedure ToggleCapsLock;
    var
      KeyState: TKeyboardState;//键盘状态
    begin
      GetKeyboardState(KeyState);//获取键盘状态
      if (KeyState[VK_CAPITAL] = 0) then //如果键盘大小写没锁定
      begin //按下
      {VOID keybd_event(BYTE bVk,BYTE bScan,DWORD dwFlags,DWORD dwExtralnfo);
          bVk:定义一个虚拟键码。键码值必须在1~254之间。
          bScan:定义该键的硬件扫描码。
          dwFlags:定义函数操作的各个方面的一个标志位集。应用程序可使用如下一些预定义常数的组合设置标志位。
          KEYEVENTF_EXTENDEDKEY:若指定该值,则扫描码前一个值为OXEO(224)的前缀字节。
          KEYEVENTF_KEYUP:若指定该值,该键将被释放;若未指定该值,该键将被按下。
          dwExtralnfo:定义与击键相关的附加的32位值。}
        Keybd_Event(VK_CAPITAL, 1, KEYEVENTF_EXTENDEDKEY or 0, 0);//按下 (KEYEVENTF_EXTENDEDKEY为扩展键)
        Keybd_Event(VK_CAPITAL, 1, KEYEVENTF_EXTENDEDKEY or KEYEVENTF_KEYUP, 0);//松开
      end else
      begin //松开
        Keybd_Event(VK_CAPITAL, 0, KEYEVENTF_EXTENDEDKEY or 0, 0);
        Keybd_Event(VK_CAPITAL, 0, KEYEVENTF_EXTENDEDKEY or KEYEVENTF_KEYUP, 0);
      end;
    end;
    
    {锁定数字键}
    procedure ToggleNumLock;
    var
      KeyState: TKeyboardState;//键盘状态
    begin
      GetKeyboardState(KeyState);//获取键盘状态
      if (KeyState[VK_NUMLOCK] = 0) then //如果小键盘没锁定
      begin //按下
      {VOID keybd_event(BYTE bVk,BYTE bScan,DWORD dwFlags,DWORD dwExtralnfo);
            bVk:定义一个虚拟键码。键码值必须在1~254之间。
            bScan:定义该键的硬件扫描码。键的OEM扫描码
            dwFlags:定义函数操作的各个方面的一个标志位集。应用程序可使用如下一些预定义常数的组合设置标志位。
            KEYEVENTF_EXTENDEDKEY:若指定该值,则扫描码前一个值为OXEO(224)的前缀字节。
            KEYEVENTF_KEYUP:若指定该值,该键将被释放;若未指定该值,该键将被按下。
            dwExtralnfo:定义与击键相关的附加的32位值。}
        Keybd_Event(VK_NUMLOCK, 1, KEYEVENTF_EXTENDEDKEY or 0, 0);//按下 (KEYEVENTF_EXTENDEDKEY为扩展键)
        Keybd_Event(VK_NUMLOCK, 1, KEYEVENTF_EXTENDEDKEY or KEYEVENTF_KEYUP, 0);//松开
      end else
      begin //松开
        Keybd_Event(VK_NUMLOCK, 0, KEYEVENTF_EXTENDEDKEY or 0, 0);
        Keybd_Event(VK_NUMLOCK, 0, KEYEVENTF_EXTENDEDKEY or KEYEVENTF_KEYUP, 0);
      end;
    end;
    
    {锁定大小写}
    procedure TForm1.btn3Click(Sender: TObject);
    var
      KeyState: TKeyboardState; //键盘状态
    begin
      ToggleCapsLock;//改变函数
      GetKeyboardState(KeyState);//获取按键状态
      btn3.Caption := '大小写状态:' + IntToStr(KeyState[VK_CAPITAL]);//改变按钮文本
    end;
    
    {锁定数字键盘}
    procedure TForm1.btn4Click(Sender: TObject);
    var
      KeyState: TKeyboardState;
    begin
      ToggleNumLock;
      GetKeyboardState(KeyState);//获取按键状态
       btn4.Caption := '小键盘状态:' + IntToStr(KeyState[VK_NUMLOCK]);//改变按钮文本
    end;
    
    {注册快捷键}
    var
      Id: Integer;
      Key,Shift: Word;//定义2个按键(用于快捷键的)
    procedure TForm1.btn5Click(Sender: TObject);
    var
    {shift 是一个集合变量。type TShiftState = set of (ssShift, ssAlt, ssCtrl, ssLeft, ssRight, ssMiddle, ssDouble);}
      TShift: TShiftState;
    begin
    {使用前必须先注册热键.HotKeyId的合法取之范围是0x0000到0xBFFF之间,
    GlobalAddAtom函数得到的值 在0xC000到0xFFFF之间,所以减掉0xC000来满足调用要求。}
      Id := GlobalAddAtom('MyHotKey') - $C000;
    {判断用了哪些系统键}
      Key := hk1.HotKey and not (scShift + scCtrl + scAlt);
      TShift := [];
      if hk1.HotKey and scShift <> 0 then Include(TShift, ssShift);
      if hk1.HotKey and scCtrl <> 0 then Include(TShift, ssCtrl);
      if hk1.HotKey and scAlt <> 0 then Include(TShift, ssAlt);
    {判断是哪个系统键}
      Shift:= 0;
      if ssShift in TShift then Shift := MOD_SHIFT;
      if ssCtrl in TShift then Shift := Shift or MOD_CONTROL;
      if ssAlt in TShift then Shift:= Shift or MOD_ALT;
    {BOOL   RegisterHotKey(
                HWND   hWnd,响应该热键的窗口句柄
                Int   id,该热键的唯一标识
                UINT   fsModifiers,该热键的辅助按键
                UINT   vk该热键的键值);}
      if not RegisterHotKey(Handle, Id, Shift, Key) then //如果注册失败
      MessageDlg('注册热键失败,与系统中已注册的热键冲突,请尝试其它热键',mtError,[mbOk],0);
    end;
    
    {获取所有系统热键}
    const
      // Windows 2000/XP multimedia keys (adapted from winuser.h and renamed to avoid potential conflicts)
      // See also: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/WindowsUserInterface/UserInput/VirtualKeyCodes.asp
      _VK_BROWSER_BACK = $A6; // Browser Back key
      _VK_BROWSER_FORWARD = $A7; // Browser Forward key
      _VK_BROWSER_REFRESH = $A8; // Browser Refresh key
      _VK_BROWSER_STOP = $A9; // Browser Stop key
      _VK_BROWSER_SEARCH = $AA; // Browser Search key
      _VK_BROWSER_FAVORITES = $AB; // Browser Favorites key
      _VK_BROWSER_HOME = $AC; // Browser Start and Home key
      _VK_VOLUME_MUTE = $AD; // Volume Mute key
      _VK_VOLUME_DOWN = $AE; // Volume Down key
      _VK_VOLUME_UP = $AF; // Volume Up key
      _VK_MEDIA_NEXT_TRACK = $B0; // Next Track key
      _VK_MEDIA_PREV_TRACK = $B1; // Previous Track key
      _VK_MEDIA_STOP = $B2; // Stop Media key
      _VK_MEDIA_PLAY_PAUSE = $B3; // Play/Pause Media key
      _VK_LAUNCH_MAIL = $B4; // Start Mail key
      _VK_LAUNCH_MEDIA_SELECT = $B5; // Select Media key
      _VK_LAUNCH_APP1 = $B6; // Start Application 1 key
      _VK_LAUNCH_APP2 = $B7; // Start Application 2 key
      // Self-invented names for the extended keys
      NAME_VK_BROWSER_BACK = 'Browser Back';
      NAME_VK_BROWSER_FORWARD = 'Browser Forward';
      NAME_VK_BROWSER_REFRESH = 'Browser Refresh';
      NAME_VK_BROWSER_STOP = 'Browser Stop';
      NAME_VK_BROWSER_SEARCH = 'Browser Search';
      NAME_VK_BROWSER_FAVORITES = 'Browser Favorites';
      NAME_VK_BROWSER_HOME = 'Browser Start/Home';
      NAME_VK_VOLUME_MUTE = 'Volume Mute';
      NAME_VK_VOLUME_DOWN = 'Volume Down';
      NAME_VK_VOLUME_UP = 'Volume Up';
      NAME_VK_MEDIA_NEXT_TRACK = 'Next Track';
      NAME_VK_MEDIA_PREV_TRACK = 'Previous Track';
      NAME_VK_MEDIA_STOP = 'Stop Media';
      NAME_VK_MEDIA_PLAY_PAUSE = 'Play/Pause Media';
      NAME_VK_LAUNCH_MAIL = 'Start Mail';
      NAME_VK_LAUNCH_MEDIA_SELECT = 'Select Media';
      NAME_VK_LAUNCH_APP1 = 'Start Application 1';
      NAME_VK_LAUNCH_APP2 = 'Start Application 2';
    
    const
      LOCALIZED_KEYNAMES = True;
      HotKeyAtomPrefix = 'HotKeyManagerHotKey';
      // Non-localized (!) modifier names
      ModName_Shift = 'Shift';
      ModName_Ctrl = 'Ctrl';
      ModName_Alt = 'Alt';
      ModName_Win = 'Win';
    
    var
      EnglishKeyboardLayout: HKL;
      ShouldUnloadEnglishKeyboardLayout: Boolean;
      // Localized (!) modifier names; initialized to English names
      LocalModName_Shift: string = ModName_Shift;
      LocalModName_Ctrl: string = ModName_Ctrl;
      LocalModName_Alt: string = ModName_Alt;
      LocalModName_Win: string = ModName_Win;
    
    {是否为扩展键}
    function IsExtendedKey(Key: Word): Boolean;
    begin
      Result := ((Key >= _VK_BROWSER_BACK) and (Key <= _VK_LAUNCH_APP2));
    end;
    
    {分割热键}
    procedure SeparateHotKey(HotKey: Cardinal; var Modifiers, Key: Word);
    // Separate key and modifiers, so they can be used with RegisterHotKey
    const
      VK2_SHIFT = 32;
      VK2_CONTROL = 64;
      VK2_ALT = 128;
      VK2_WIN = 256;
    var
      Virtuals: Integer;
      V: Word;
    //  x: Byte;
      x: Word;
    begin
      Key := Byte(HotKey);
      x := HotKey shr 8;//右移8位
      Virtuals := x;
      V := 0;
      if (Virtuals and VK2_WIN) <> 0 then
        Inc(V, MOD_WIN);
      if (Virtuals and VK2_ALT) <> 0 then
        Inc(V, MOD_ALT);
      if (Virtuals and VK2_CONTROL) <> 0 then
        Inc(V, MOD_CONTROL);
      if (Virtuals and VK2_SHIFT) <> 0 then
        Inc(V, MOD_SHIFT);
      Modifiers := V;
    end;
    
    {把热键显示在列表框里面}
    function HotKeyToText(HotKey: Cardinal; Localized: Boolean): string;
        {获取扩展键}
        function GetExtendedVKName(Key: Word): string;
        begin
          case Key of
            _VK_BROWSER_BACK: Result := NAME_VK_BROWSER_BACK;
            _VK_BROWSER_FORWARD: Result := NAME_VK_BROWSER_FORWARD;
            _VK_BROWSER_REFRESH: Result := NAME_VK_BROWSER_REFRESH;
            _VK_BROWSER_STOP: Result := NAME_VK_BROWSER_STOP;
            _VK_BROWSER_SEARCH: Result := NAME_VK_BROWSER_SEARCH;
            _VK_BROWSER_FAVORITES: Result := NAME_VK_BROWSER_FAVORITES;
            _VK_BROWSER_HOME: Result := NAME_VK_BROWSER_HOME;
            _VK_VOLUME_MUTE: Result := NAME_VK_VOLUME_MUTE;
            _VK_VOLUME_DOWN: Result := NAME_VK_VOLUME_DOWN;
            _VK_VOLUME_UP: Result := NAME_VK_VOLUME_UP;
            _VK_MEDIA_NEXT_TRACK: Result := NAME_VK_MEDIA_NEXT_TRACK;
            _VK_MEDIA_PREV_TRACK: Result := NAME_VK_MEDIA_PREV_TRACK;
            _VK_MEDIA_STOP: Result := NAME_VK_MEDIA_STOP;
            _VK_MEDIA_PLAY_PAUSE: Result := NAME_VK_MEDIA_PLAY_PAUSE;
            _VK_LAUNCH_MAIL: Result := NAME_VK_LAUNCH_MAIL;
            _VK_LAUNCH_MEDIA_SELECT: Result := NAME_VK_LAUNCH_MEDIA_SELECT;
            _VK_LAUNCH_APP1: Result := NAME_VK_LAUNCH_APP1;
            _VK_LAUNCH_APP2: Result := NAME_VK_LAUNCH_APP2;
          else
            Result := '';
          end;
        end;
        {获取左右的ctrl或者alt或者shift键}
        function GetModifierNames: string;
        var
          S: string;
        begin
          S := '';
          if Localized then
          begin
            if (HotKey and $4000) <> 0 then // scCtrl
              S := S + LocalModName_Ctrl + '+';
            if (HotKey and $2000) <> 0 then // scShift
              S := S + LocalModName_Shift + '+';
            if (HotKey and $8000) <> 0 then // scAlt
              S := S + LocalModName_Alt + '+';
            if (HotKey and $10000) <> 0 then
              S := S + LocalModName_Win + '+';
          end else
          begin
            if (HotKey and $4000) <> 0 then // scCtrl
              S := S + ModName_Ctrl + '+';
            if (HotKey and $2000) <> 0 then // scShift
              S := S + ModName_Shift + '+';
            if (HotKey and $8000) <> 0 then // scAlt
              S := S + ModName_Alt + '+';
            if (HotKey and $10000) <> 0 then
              S := S + ModName_Win + '+';
          end;
          Result := S;
        end;
        {获取快捷键名字}
        function GetVKName(Special: Boolean): string;
        var
          ScanCode: Cardinal;
          KeyName: array[0..255] of Char;
          oldkl: HKL;
          Modifiers, Key: Word;
        begin
          Result := '';
          if Localized then {本地特有键}
          begin
            if Special then
              ScanCode := (MapVirtualKey(Byte(HotKey), 0) shl 16) or (1 shl 24)
            else
              ScanCode := (MapVirtualKey(Byte(HotKey), 0) shl 16);
            if ScanCode <> 0 then
            begin
              GetKeyNameText(ScanCode, KeyName, SizeOf(KeyName));
              Result := KeyName;
            end;
          end else {英文键}
          begin
            if Special then
              ScanCode := (MapVirtualKeyEx(Byte(HotKey), 0, EnglishKeyboardLayout) shl 16) or (1 shl 24)
            else
              ScanCode := (MapVirtualKeyEx(Byte(HotKey), 0, EnglishKeyboardLayout) shl 16);
            if ScanCode <> 0 then
            begin
              oldkl := GetKeyboardLayout(0);
              if oldkl <> EnglishKeyboardLayout then
                ActivateKeyboardLayout(EnglishKeyboardLayout, 0); // Set English kbd. layout
              GetKeyNameText(ScanCode, KeyName, SizeOf(KeyName));
              Result := KeyName;
              if oldkl <> EnglishKeyboardLayout then
              begin
                if ShouldUnloadEnglishKeyboardLayout then
                  UnloadKeyboardLayout(EnglishKeyboardLayout); // Restore prev. kbd. layout
                ActivateKeyboardLayout(oldkl, 0);
              end;
            end;
          end;
          if Length(Result) <= 1 then
          begin
            // Try the internally defined names
            SeparateHotKey(HotKey, Modifiers, Key);
            if IsExtendedKey(Key) then
              Result := GetExtendedVKName(Key);
          end;
        end;
    var
      KeyName: string;
    begin
      case Byte(HotKey) of
        // PgUp, PgDn, End, Home, Left, Up, Right, Down, Ins, Del
        $21..$28, $2D, $2E: KeyName := GetVKName(True);
      else
        KeyName := GetVKName(False);
      end;
      Result := GetModifierNames + KeyName;
    end;
    
    {测试热键是否可以被注册}
    function HotKeyAvailable(HotKey: Cardinal): Boolean;
    var
      M, K: Word;
      Atom: Word;
    begin
      Atom := GlobalAddAtom(PChar('HotKeyManagerHotKeyTest'));
      SeparateHotKey(HotKey, M, K);
      Result := RegisterHotKey(Application.Handle, Atom, M, K);
      if Result then
        UnregisterHotKey(Application.Handle, Atom);
      GlobalDeleteAtom(Atom);
    end;
    
    {获取系统热键}
    function GetHotKey(Modifiers, Key: Word): Cardinal;
    const
      VK2_SHIFT = 32;
      VK2_CONTROL = 64;
      VK2_ALT = 128;
      VK2_WIN = 256;
    var
      hk: Cardinal;
    begin
      hk := 0;
      if (Modifiers and MOD_ALT) <> 0 then
        Inc(hk, VK2_ALT);
      if (Modifiers and MOD_CONTROL) <> 0 then
        Inc(hk, VK2_CONTROL);
      if (Modifiers and MOD_SHIFT) <> 0 then
        Inc(hk, VK2_SHIFT);
      if (Modifiers and MOD_WIN) <> 0 then
        Inc(hk, VK2_WIN);
      hk := hk shl 8;
      Inc(hk, Key);
      Result := hk;
    end;
    
    {系统热键输出到列表框}
    procedure TForm1.GetCombination(Modifiers: Word);
    var
      I: Integer;
      HotKey: Cardinal;
    begin
      for I := $08 to $E6 do
      begin
        HotKey := GetHotKey(Modifiers, I);
        if not HotKeyAvailable(HotKey) then
          lst1.Items.Add(HotKeyToText(HotKey, LOCALIZED_KEYNAMES));
      end;
    end;
    
    {取系统热键(主函数)}
    procedure TForm1.ScanHotKeys;
    begin
      Screen.Cursor := crHourGlass;
      lst1.Clear;
      GetCombination(MOD_WIN);
      GetCombination(MOD_WIN + MOD_SHIFT);
      GetCombination(MOD_WIN + MOD_CONTROL);
      GetCombination(MOD_WIN + MOD_ALT);
      GetCombination(MOD_WIN + MOD_SHIFT + MOD_CONTROL);
      GetCombination(MOD_WIN + MOD_SHIFT + MOD_ALT);
      GetCombination(MOD_WIN + MOD_CONTROL + MOD_ALT);
      GetCombination(MOD_WIN + MOD_SHIFT + MOD_CONTROL + MOD_ALT);
      GetCombination(MOD_SHIFT);
      GetCombination(MOD_SHIFT + MOD_CONTROL);
      GetCombination(MOD_SHIFT + MOD_ALT);
      GetCombination(MOD_SHIFT + MOD_CONTROL + MOD_ALT);
      GetCombination(MOD_CONTROL);
      GetCombination(MOD_CONTROL + MOD_ALT);
      GetCombination(MOD_ALT);
      GetCombination(0);
      Screen.Cursor := crDefault;
    end;
    
    
    {获取所有系统热键}
    procedure TForm1.btn6Click(Sender: TObject);
    begin
      ScanHotKeys;
    end;
    
    {注册个性化热键}
    var
      TmpAtom:atom; //键盘标识符
      KeyUse:Boolean;
    procedure TForm1.btn7Click(Sender: TObject);
    begin
    {向全局原子表添加一个字符串,并返回这个字符串的唯一标识符(原子ATOM)}
      TmpAtom:=globaladdatom('hot key');
    {注册快捷键}
    {BOOL   RegisterHotKey(
                HWND   hWnd,响应该热键的窗口句柄
                Int   id,该热键的唯一标识
                UINT   fsModifiers,该热键的辅助按键
                UINT   vk该热键的键值);}
      KeyUse:=registerhotkey(handle,TmpAtom,0,vk_f11);
    end;
    
    {个性化热键2}
    procedure TForm1.tmr1Timer(Sender: TObject);
    begin
        tmr1.Interval:=1;
      if (GetKeyState(Ord('P'))<0) and (GetKeyState(Ord('J'))<0) then
      Begin
        tmr1.Interval := 200; //延时,防止事件触发过快;
        ShowMessage('你按下了个性化快捷键j+p');
      End;
    end;
    
    {个性化热键2}
    procedure TForm1.btn8Click(Sender: TObject);
    begin
      If KeyUse Then
      Begin
        UnregisterHotKey(Handle,TmpAtom);//注册热键
        GlobalDeleteAtom(TmpAtom); //如果热键被使用,就撤销热键pjjp
      End;
      tmr1.Interval:=1;
      tmr1.Enabled:=True;
    end;
    
    {热键相应函数}
    procedure TForm1.WmHotKey(var msg:TMessage);
    begin
    {热键对应的函数}
      if (Msg.LparamLo = Shift) AND (Msg.LParamHi = Key) then //如果按下了自定义快捷键
      ShowMessage('自定义快捷键!');
    {个性化热键}
      If (Msg.LParamHi=Vk_F11) Then //判断按键是否为F11
      Begin
        if GetKeyState(Ord('T'))<0 then //判断T键是否被按下
        ShowMessage('你按下了个性化快捷键'); //输出消息
      End;
    end;
    
    procedure TForm1.FormCreate(Sender: TObject);
    begin
    
    end;
    
    {退出时候取消热键}
    procedure TForm1.FormDestroy(Sender: TObject);
    begin
      {退出时撤销已经注册的热键}
      if not UnRegisterHotKey(Self.Handle,id) then
      MessageDlg('撤销热键失败!',mtError,[mbOk],0);
      {撤销热键}
      GlobalDeleteAtom(Id);
      {退出时撤销已经注册的个性化热键}
      If KeyUse Then
      Begin
        UnregisterHotKey(Handle,TmpAtom);
        GlobalDeleteAtom(TmpAtom);
      End;
    end;
    
    {响应TActionList函数}
    procedure TForm1.act1Execute(Sender: TObject);
    begin
      ShowMessage('您按下了F5!');
    end;
    {响应TActionList函数}
    procedure TForm1.act2Execute(Sender: TObject);
    begin
      ShowMessage('您按下了F6!');
    end;
    {响应TActionList函数}
    procedure TForm1.act3Execute(Sender: TObject);
    begin
      ShowMessage('您按下了F7!');
    end;
    
    
    
    end.
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  • 原文地址:https://www.cnblogs.com/GodPan/p/3412120.html
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