新建 文本文档.txt

经典sql语句

 unit   Unit1;   
    
  interface   
    
  uses   
      Windows,   Messages,   SysUtils,   Classes,   Graphics,   Controls,   Forms,   Dialogs,ShellAPI,   
      StdCtrls,   Menus;   
    
  const   
      WM_TRAYNOTIFY   =   WM_USER+100;   
    
  type   
      TForm1   =   class(TForm)   
          procedure   FormCreate(Sender:   TObject);   
      private   
          {   Private   declarations   }   
          procedure   TrayNotifyMessage(var   Sender:   TMessage);   message   WM_TRAYNOTIFY;   
          procedure   MarkTaskBarIcon(Sender:   TObject);   
      public   
          {   Public   declarations   }   
      end;   
    
  var   
      Form1:   TForm1;   
      tnd   :   TNOTIFYICONDATA;   
  implementation   
    
  {$R   *.DFM}   
    
  procedure   TForm1.FormCreate(Sender:   TObject);   
  begin   
        Application.OnMinimize   :=   MarkTaskBarIcon;   
  end;   
    
  procedure   TForm1.MarkTaskBarIcon(Sender:   TObject);   
  begin   
        Form1.Visible   :=   False;   
        tnd.cbSize   :=   sizeof(tnd);   
        tnd.Wnd   :=   Handle;   
        tnd.uID   :=   128;   
        tnd.uFlags   :=   NIF_MESSAGE   or   NIF_ICON   or   NIF_TIP;   
        tnd.uCallbackMessage   :=   WM_TRAYNOTIFY;   
        tnd.hIcon   :=   Application.Icon.Handle;   
        StrPCopy(tnd.szTip,Application.Title);   
        Shell_NotifyIcon(NIM_ADD,@tnd);   
  end;   
    
  procedure   TForm1.TrayNotifyMessage(var   Sender:   TMessage);   
  begin   
        if   Sender.LParam   =   WM_LBUTTONDBLCLK   then   
      begin   
          Shell_NotifyIcon(NIM_DELETE,@tnd);   
          Form1.Visible   :=   True;   
          Application.Restore;   
          Application.BringToFront;   
      end;   
            if     wm_size=1   then   
              
  end;