Int 15 Fn DE30  - Desqview V2.50+ - "getdvxversion" - Get Desqview/x Vers  [Q]

   AX = DE30h

Return: BX = version (BH=major, BL=minor) or 0000h if not DESQview/X

Notes: DESQview 2.50-2.53 are distributed as part of DESQview/X v1.00-1.10.
   you must first check the DESQview version to verify that it is 2.50 or
     greater

See Also: INT 21/AH=2Bh/CX=4445h