Int 2F Fn 1684  - Ms Windows - Viwd - Get Api Entry Point                  [W]

   AX = 1684h
   BX = 38DAh (virtual device ID for VIWD device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2398)
         0000h:0000h if the VxD does not support API in current mode

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

(Table 2398)
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: #2395,#2399