注册系统级热键
注册系统级热键
涂孟超 发表于3年前
注册系统级热键
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腾讯云 新注册用户 域名抢购1元起>>>   

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs;

type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    procedure WMHotKey(var Msg: TWMHotKey); message WM_HOTKEY;
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

var
  HotKeyId: array[0..12] of Integer;  //热键数组, 这里准备定义 13 个热键

procedure TForm1.FormCreate(Sender: TObject);
var
  i: Integer;
begin
  //注册热键
  for i := Low(HotKeyId) to High(HotKeyId) do
    HotKeyId[i] := GlobalAddAtom(PChar(IntToStr(i)));  //热键命名可随意
  RegisterHotKey(Handle,HotKeyId[0],0,VK_F2);                //F2
  RegisterHotKey(Handle,HotKeyId[1],0,VK_UP);                //Up
  RegisterHotKey(Handle,HotKeyId[2],0,VK_DOWN);              //Down
  RegisterHotKey(Handle,HotKeyId[3],0,VK_LEFT);              //Left
  RegisterHotKey(Handle,HotKeyId[4],0,VK_RIGHT);             //Right
  RegisterHotKey(Handle,HotKeyId[5],0,VK_PRIOR);             //PageUp
  RegisterHotKey(Handle,HotKeyId[6],0,VK_NEXT);              //PageDown
  RegisterHotKey(Handle,HotKeyId[7],0,VK_OEM_PLUS);          //+
  RegisterHotKey(Handle,HotKeyId[8],0,VK_OEM_MINUS);         //-
  RegisterHotKey(Handle,HotKeyId[9],0,$31);                  //1
  RegisterHotKey(Handle,HotKeyId[10],0,$41);                 //a
  RegisterHotKey(Handle,HotKeyId[11],0,VK_RETURN);           //Enter
  RegisterHotKey(Handle,HotKeyId[12],MOD_CONTROL,VK_RETURN); //Ctrl+Enter
end;

//热键
procedure TForm1.WMHotKey(var Msg: TWMHotKey);
begin
  if Msg.HotKey = HotKeyId[0] then ShowMessage('F2');
  if (Msg.HotKey=HotKeyId[1]) then ShowMessage('Up');
  if (Msg.HotKey=HotKeyId[2]) then ShowMessage('Down');
  if (Msg.HotKey=HotKeyId[3]) then ShowMessage('Left');
  if (Msg.HotKey=HotKeyId[4]) then ShowMessage('Right');
  if Msg.HotKey = HotKeyId[5] then ShowMessage('PageUp');
  if Msg.HotKey = HotKeyId[6] then ShowMessage('PageDown');
  if Msg.HotKey = HotKeyId[7] then ShowMessage('+');
  if Msg.HotKey = HotKeyId[8] then ShowMessage('-');
  if Msg.HotKey = HotKeyId[9] then ShowMessage('1');
  if Msg.HotKey = HotKeyId[10] then ShowMessage('a');
  if Msg.HotKey = HotKeyId[11] then ShowMessage('Enter');
  if Msg.HotKey = HotKeyId[12] then ShowMessage('Ctrl+Enter');
end;

procedure TForm1.FormDestroy(Sender: TObject);
var
  i: Integer;
begin
  //注销热键
  for i := Low(HotKeyId) to High(HotKeyId) do
  begin
    UnRegisterHotKey(handle,HotKeyId[i]);
    GlobalDeleteAtom(HotKeyId[i]);
  end;
end;

end.

 
 
 
 
 

 

 

  
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