整个系统响应,在handlemsg要做什么都可以type
  TForm1 = class(TForm)
...public
    procedure HandleMsg(var Msg:TMessage);message WM_HOTKEY;
procedure TForm1.FormCreate(Sender: TObject);
begin
      if RegisterHotKey(Handle,$1000,MOD_CONTROL,VK_RETURN)=true then
      begin
        showmessage('ik');
        //UnRegisterHotKey(Handle,$1000);
      end;
end;
procedure TForm1.HandleMsg(var Msg: TMessage);
begin
        showmessage('hello');
end;  
给分!!