Class TMenu
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 DATA
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  hMenu          The Windows handle of the Menu
  aItems         An array of MenuItems
  oWnd           A reference to the container Window of the Menu


 METHODS
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 New             Creating a new Menu
 NewSys          Redefining a SysMenu
 Add             Adding an element to the Menu
 Command         Processing the user selection
 LastItem        A reference to last processes MenuItem Object
 GetMenuItem     Retrieves a reference to a MenuItem Object given its Id
 Activate        PopMenu activating method
 Reset           Reset to the original System Menu of a Window
 Release         Destroy the Menu Object