unit1.pas

在delphi中实现windows核心编程.原书光盘代码核心编程.原书光盘代码

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
    hotkeyid :integer; 
    procedure WMhotkeyhandle(var msg:Tmessage);
     message wm_hotkey;

  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}
procedure TForm1.Wmhotkeyhandle
(var msg:Tmessage);
begin
  if (msg.LParamHi=$41) and
     (msg.lparamLo=MOD_CONTROL or mod_Alt) then
  begin
    msg.Result:=1;
    application.BringToFront;
  end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  hotkeyid:=GlobalAddAtom(pchar('UserDefineHotKey'))-$C000;
  registerhotkey(handle,hotkeyid,MOD_CONTROL or mod_Alt,$41);

end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
   unregisterhotkey(handle,hotkeyid);
   DeleteAtom(HotKeyID);
end;

end.