INT 16 - PC Tools v5.5+ DESKTOP API - GET/SET WINDOW PARAMETERS
AX = FFB5h
BX = window specifier (000Fh to 0019h) (see below)
DX = 0000h get, nonzero = set
ES:DI -> window parameter buffer (see below)

Values for window specifier:
000Fh  comm/FAX
0014h  hotkey selection
0015h  ASCII table
0016h  system colors menu

Format of window parameters:
Offset  Size    Description
00h    BYTE    rows in window, not counting frame
01h    BYTE    columns in window, not counting frame
02h    BYTE    row number of top of window
03h    BYTE    2*column number of left of window
04h    BYTE    character attribute for ???
05h    BYTE    character attribute for background/border
06h    BYTE    character attribute for ???
07h    DWORD   pointer to ??? on screen
0Bh  4 BYTEs   ???
0Fh    BYTE    nonzero if window may be resized
Note:   if running in monochrome mode, character attributes at offsets 04h to
06h are stored unchanged, but attributes other than 07h, 0Fh, or 70h
are changed to 07h on reading

See also: 16FFCB

16FFB5 - PC Tools v5.5+ DESKTOP API - GET/SET WINDOW PARAMETERS