INT 16 - PC Tools v5.1+ DESKTOP API - POP UP FILE SELECTION MENU
AX = FFE5h
DS:SI -> ASCIZ wildcard filespec followed by ASCIZ menu title
DX = segment of window parameters???
Return: AX = DOS file handle for file
DS:DX -> filename???
= FFFFh if cancelled by user
Note:   available only when popped up

See also: 16FFDA

16FFE5 - PC Tools v5.1+ DESKTOP API - POP UP FILE SELECTION MENU