!**************************************DX***************************************
define type DX_SORTBY
   keyword NAME
      default
   keyword TYPE
   keyword SIZE
   keyword DATE
define verb DX
   image DX$HOME:DX.EXE
   parameter P1 , label=FILE_SPEC
      default
      value (list,default="*.*;*",type=$infile)
   qualifier INITIAL_FILE
      value (required,type=$infile)
   qualifier SORT_BY
      nonnegatable
      default
      value (required,type=DX_SORTBY)
   qualifier ASCENDING
      nonnegatable
      default
   qualifier DESCENDING
      nonnegatable
   qualifier BRIEF
      nonnegatable
   qualifier DETAIL
      nonnegatable
      default
   qualifier BEFORE
      nonnegatable
      value (default="TODAY",type=$datetime)
   qualifier SINCE
      nonnegatable
      value (default="TODAY",type=$datetime)
   qualifier CREATED
      nonnegatable
      default
   qualifier MODIFIED
      nonnegatable
   qualifier EXPIRED
      nonnegatable
   qualifier BACKUP
      nonnegatable
   qualifier MAXIMUM
      nonnegatable
      value (default="1073741823",type=$number)
   qualifier MINIMUM
      nonnegatable
      value (default="0",type=$number)
   qualifier EXCLUDE
      nonnegatable
      value (required,list,type=$infile)
   disallow (BRIEF and DETAIL)
   disallow (ASCENDING and DESCENDING)
   disallow (CREATED and MODIFIED and EXPIRED and BACKUP)