Int 2F/AX=1684h/BX=38DAh

MS Windows - VIWD - GET API ENTRY POINT

AX = 1684h
BX = 38DAh (virtual device ID for VIWD device) (see #02642)
ES:DI = 0000h:0000h

Return:
ES:DI -> VxD API entry point (see #02711)
0000h:0000h if the VxD does not support API in current mode

See Also: AX=1684h"DEVICE API" - INT 20"Windows"



(Table 02711)
Call VIWD.VXD entry point with:.
DX = function number
0000h ???
Return:
CF clear
AX = ???
0004h ???
Return:
CF clear
DX = 0000h
0006h
Return:
CF clear
000Ah
AX = ???
Return:
CF clear if successful
CF set on error
000Ch
000Dh
000Eh
Return:
CF clear
000Fh
Return:
CF clear
0010h
0011h
0015h
Return:
CF clear if successful
AX = ???
CF set on error
AX = ???
DX = 0000h
0016h
0017h
Return:
CF clear if successful
AX = ???
CF set on error
AX = ???
DX = 0000h
0018h ???
CX = ???
Return:
CF clear if successful
AX = 0000h
CF set on error
else
Return:
CF set

See Also: #02708 - #02712

Category: Windows - Int 2Fh - M

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