anchor.diff:  const WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU;
   
   /// The window has a sizing border. Same as the WS_THICKFRAME style.
  -const WS_SIZEBOX = 0x00040000;
  +const WS_SIZEBOX = WS_THICKFRAME;
   
   /// The window has a window menu on its title bar. The WS_CAPTION style must
   /// also be specified.
  
positive.code: const WS_HSCROLL = 0x00100000;
  
  /// The window is initially minimized. Same as the WS_MINIMIZE style.
  const WS_ICONIC = 0x20000000;
  
  /// The window is initially maximized.
  const WS_MAXIMIZE = 0x01000000;
  
negative.code: 
  /// The window is an overlapped window. An overlapped window has a title bar and
  /// a border. Same as the WS_OVERLAPPED style.
  const WS_TILED = WS_OVERLAPPED;
  
  /// The window is an overlapped window. Same as the WS_OVERLAPPEDWINDOW style.
  const WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW;
  
  /// The window is initially visible.
  ///
  