Bitfields for .DVP program flags 3:
Bit(s)	Description	)
 7	automatically assign window position
 5	maximum memory value has been specified
 4	disallow "Close" command
 3	foreground-only when doing graphics
	set by DV 2.3+ when "Runs in Background" = "D" (undoc)
 2	don't virtualize (see also #00430)
 1	foreground-only during DOS calls
	set by DV 2.3+ when "Runs in Background" = "D" (undoc)
SeeAlso: #00427,#00428,#00430