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

   AX = 1684h
   BX = 0026h (virtual device ID for VPOWERD device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2351)
         0000h:0000h if the VxD does not support API in current mode

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

(Table 2351)
Call VPOWERD.VXD entry point with:
   AX = function number
       0000h get VPOWERD version

       Return: DX = 0000h
           AX = version (AH = major, AL = minor)
       0001h get APM BIOS version

       Return: DX:AX = APM BIOS version
       0002h get current power management level

       Return: DX:AX = power management level
       0003h enable/disable power management (see INT 15/AX=5308h)
       ??? = new state of power management

       Return: DX:AX = 0000h:0000h if successful
              else error code (see #2352)
       0004h set power state (see INT 15/AX=5307h)

       Return: DX:AX = 0000h:0000h if successful
              else error code (see #2352)
       0005h set system power status

       Return: DX:AX = 0000h:0000h if successful
              else error code (see #2352)
       0006h restore APM power-on defaults (see INT 15/AX=5309h)

       Return: DX:AX = 0000h:0000h if successful
              else error code (see #2352)
       0007h get power status (see INT 15/AX=530Ah)

       Return: ???
       0008h get APM 1.1 power state (see INT 15/AX=530Ch)

       Return: ???
       0009h invoke OEM APM function
       ??? -> buffer containing parameters for INT 15/AX=5380h

       Return: DX:AX = 0000h:0000h or error code (see #2352)
           buffer updated if successful
       000Ah register power handler
       ???

       Return: DX:AX = 0000h:0000h or error code
       000Bh deregister power handler
       ???

       Return: DX:AX = 0000h:0000h or error code (see #2352)
       000Ch Win32 get system power status
       000Dh Win32 set system power status
       else

       Return: DX = 0000h
           AX = 00FFh

See Also: #2350,#2353

(Table 2352)
Values for VPOWERD.VXD error code:
 000000xxh APM error code
 000000FFh function number out of range
 80000001h ??? (service 05h)
 80000002h ??? (service 0Dh)
 80000003h specified NULL buffer pointer (service 07h,08h,09h)
 80000005h ??? (service 03h)
 80000006h ??? (service 04h)
 80000007h ??? (service 05h)
 80000008h ??? (service 05h)
 80000009h out of memory (service 0Ah)
 8000000Ah ??? (service 0Ah)
 8000000Bh invalid power handler (service 0Bh)
 8000000Ch unsupported/disabled??? function

See Also: #2351,#0986