MDL file (kept for backward compatibility): Pattern description The MDL file is the file used to generate a RAD window... MDL file (kept for backward compatibility): Window description The MDL file is the file used to generate a RAD window... Programming patterns CAUTION... The structure of the RAD patterns (kept for backward compatibility) The RAD pattern files (MDL files) are used to describe: Type of pages created by RAD The page creation wizard shows different types of pages associated with HFSQL data files... Type of windows created by RAD The wizard for window creation proposes several types of windows associated with HFSQL data files...