Int 15 Fn 12  - Topview - Send Message - "dir" - Get Panel File Directory  [Q]

   AH = 12h
   BX = 0300h
   STACK: DWORD handle of panel object

Return: STACK: DWORD length of directory (always multiple of 14 bytes)
          DWORD address of directory

Note:  a null string is returned if the object is not open

See Also: AH=12h/BX=0400h"APPLY",AH=12h/BH=83h

Format of panel file:
Offset Size    Description
 00h  2 BYTEs  C0h C3h
 02h   BYTE    number of panels in file
 03h   for each panel in file:
       8 BYTEs  blank-padded panel name
         DWORD  panel offset in file
         WORD   panel length
   data for panels (each consists of one or more window/query/manager
   streams)
       first byte of each panel must be 1Bh, fifth byte must be E5h