APM and Windows

**ElectroTism** · Oct 8th, 2000, 03:43 PM

Is there a way to create an icon that you can click that would put your computer into sleep mode?
That means, powerdown monitor and hd. (Not turn off, just power down, ie activate APM)

**Jop** · Oct 8th, 2000, 03:50 PM

I believe this can do the trick (POWEROFF is the same as the powermanagment I Guess, haven;t tried it

Code:

Const EWX_POWEROFF = &H00000008
'You have to put this line somewhere in the code, look for yourself, I'll help ya later, me's tired :(
' Shutdown Flags
Const EWX_LOGOFF = 0
Const EWX_SHUTDOWN = 1
Const EWX_REBOOT = 2
Const EWX_FORCE = 4
Const SE_PRIVILEGE_ENABLED = &H2
Const TokenPrivileges = 3
Const TOKEN_ASSIGN_PRIMARY = &H1
Const TOKEN_DUPLICATE = &H2
Const TOKEN_IMPERSONATE = &H4
Const TOKEN_QUERY = &H8
Const TOKEN_QUERY_SOURCE = &H10
Const TOKEN_ADJUST_PRIVILEGES = &H20
Const TOKEN_ADJUST_GROUPS = &H40
Const TOKEN_ADJUST_DEFAULT = &H80
Const SE_SHUTDOWN_NAME = "SeShutdownPrivilege"
Const ANYSIZE_ARRAY = 1
Private Type LARGE_INTEGER
    lowpart As Long
    highpart As Long
End Type
Private Type Luid
    lowpart As Long
    highpart As Long
End Type
Private Type LUID_AND_ATTRIBUTES
    'pLuid As Luid
    pLuid As LARGE_INTEGER
    Attributes As Long
End Type
Private Type TOKEN_PRIVILEGES
    PrivilegeCount As Long
    Privileges(ANYSIZE_ARRAY) As LUID_AND_ATTRIBUTES
End Type
Private Declare Function InitiateSystemShutdown Lib "advapi32.dll" Alias "InitiateSystemShutdownA" (ByVal lpMachineName As String, ByVal lpMessage As String, ByVal dwTimeout As Long, ByVal bForceAppsClosed As Long, ByVal bRebootAfterShutdown As Long) As Long
Private Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function LookupPrivilegeValue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, lpLuid As LARGE_INTEGER) As Long
Private Declare Function AdjustTokenPrivileges Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal DisableAllPrivileges As Long, NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, PreviousState As TOKEN_PRIVILEGES, ReturnLength As Long) As Long
Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long
Private Declare Function GetLastError Lib "kernel32" () As Long
Public Function InitiateShutdownMachine(ByVal Machine As String, Optional Force As Variant, Optional Restart As Variant, Optional AllowLocalShutdown As Variant, Optional Delay As Variant, Optional Message As Variant) As Boolean
    Dim hProc As Long
    Dim OldTokenStuff As TOKEN_PRIVILEGES
    Dim OldTokenStuffLen As Long
    Dim NewTokenStuff As TOKEN_PRIVILEGES
    Dim NewTokenStuffLen As Long
    Dim pSize As Long
    If IsMissing(Force) Then Force = False
    If IsMissing(Restart) Then Restart = True
    If IsMissing(AllowLocalShutdown) Then AllowLocalShutdown = False
    If IsMissing(Delay) Then Delay = 0
    If IsMissing(Message) Then Message = ""
    'Make sure the Machine-name doesn't start with '\\'
    If InStr(Machine, "\\") = 1 Then
        Machine = Right(Machine, Len(Machine) - 2)
    End If
    'check if it's the local machine that's going to be shutdown
    If (LCase(GetMyMachineName) = LCase(Machine)) Then
        'may we shut this computer down?
        If AllowLocalShutdown = False Then Exit Function
        'open access token
        If OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY, hProc) = 0 Then
            MsgBox "OpenProcessToken Error: " & GetLastError()
            Exit Function
        End If
        'retrieve the locally unique identifier to represent the Shutdown-privilege name
        If LookupPrivilegeValue(vbNullString, SE_SHUTDOWN_NAME, OldTokenStuff.Privileges(0).pLuid) = 0 Then
            MsgBox "LookupPrivilegeValue Error: " & GetLastError()
            Exit Function
        End If
        NewTokenStuff = OldTokenStuff
        NewTokenStuff.PrivilegeCount = 1
        NewTokenStuff.Privileges(0).Attributes = SE_PRIVILEGE_ENABLED
        NewTokenStuffLen = Len(NewTokenStuff)
        pSize = Len(NewTokenStuff)
        'Enable shutdown-privilege
        If AdjustTokenPrivileges(hProc, False, NewTokenStuff, NewTokenStuffLen, OldTokenStuff, OldTokenStuffLen) = 0 Then
            MsgBox "AdjustTokenPrivileges Error: " & GetLastError()
            Exit Function
        End If
        'initiate the system shutdown
        If InitiateSystemShutdown("\\" & Machine, Message, Delay, Force, Restart) = 0 Then
            Exit Function
        End If
        NewTokenStuff.Privileges(0).Attributes = 0
        'Disable shutdown-privilege
        If AdjustTokenPrivileges(hProc, False, NewTokenStuff, Len(NewTokenStuff), OldTokenStuff, Len(OldTokenStuff)) = 0 Then
            Exit Function
        End If
    Else
        'initiate the system shutdown
        If InitiateSystemShutdown("\\" & Machine, Message, Delay, Force, Restart) = 0 Then
            Exit Function
        End If
    End If
    InitiateShutdownMachine = True
End Function
Function GetMyMachineName() As String
    Dim sLen As Long
    'create a buffer
    GetMyMachineName = Space(100)
    sLen = 100
    'retrieve the computer name
    If GetComputerName(GetMyMachineName, sLen) Then
        GetMyMachineName = Left(GetMyMachineName, sLen)
    End If
End Function
Private Sub Form_Load()
    'KPD-Team 2000
    'URL: http://www.allapi.net/
    'E-Mail: [email protected]
    InitiateShutdownMachine GetMyMachineName, True, True, True, 60, "You initiated a system shutdown..."
End Sub

Oct 8th, 2000, 03:56 PM

Jop:

PowerOff?!
That shuts down the system and turns off the power, like when you flipped the power switch to "off".

Here's how you sleep:

Code:

Public Declare Function SetSleep Lib "kernel32" Alias "SetSystemPowerState" (ByVal fSuspend As Long, ByVal fForce As Long) As Long

And to use it type:

Code:

  SetSleep False, True

Ignore the fSuspend flag for it is nothing of worth here.

**Jop** · Oct 8th, 2000, 04:02 PM

Oops sorry, didn't knew that (you learn new hings every day!)

**ElectroTism** · Oct 8th, 2000, 04:30 PM

thanks, but uhh..
Escaflowne:
when I use that code, I get disconnected of internet, My hd doesnt power down, and My monitor does sleep, but it refuses to come back on...

Oct 8th, 2000, 04:34 PM

It's supposed to put your computer in standby mode, but windows has a VERY BAD defination of standby, so maybe using

Code:

SetSleep True, False

will work?

The last param, when TRUE, forces a hard sleep, so if it's false, it should be OK.

**ElectroTism** · Oct 8th, 2000, 04:46 PM

Originally posted by Escaflowne
It's supposed to put your computer in standby mode, but windows has a VERY BAD defination of standby, so maybe using

Code:

SetSleep True, False

will work?

The last param, when TRUE, forces a hard sleep, so if it's false, it should be OK.

now it just doesnt work

*Could* be because the first time i tried, I was in win95, now I'm in win2k... I checked, though, win2k APM is enabled..

ok, it probably is win2k, because i retried the
false,true line and it doesnt even respond...
Also, I need it to work in win2k, because win2k doesnt respond to my sleep button while win95 does, so I need to be able to easily sleep instead of waiting 10-15 mins...

oh one more thing, it would be preferred if i could just
hit my sleep button too

, so if you know how i could
make win2k respond to it, by all means, tell me!!

its a toshiba infinia (about 3 years old)

[Edited by ElectroTism on 10-08-2000 at 05:54 PM]

Oct 8th, 2000, 05:14 PM

As I've said in another post before, some Win9x APIs won't work on WinNT (Win2000 = WinNT5).

Code:

'You'll notice that this is Jop's code without the powering off.
Const Force = False
Const EWX_LOGOFF = 0
Const EWX_SHUTDOWN = 1
Const EWX_REBOOT = 2
Const EWX_FORCE = 4
Const SE_PRIVILEGE_ENABLED = &H2
Const TokenPrivileges = 3
Const TOKEN_ASSIGN_PRIMARY = &H1
Const TOKEN_DUPLICATE = &H2
Const TOKEN_IMPERSONATE = &H4
Const TOKEN_QUERY = &H8
Const TOKEN_QUERY_SOURCE = &H10
Const TOKEN_ADJUST_PRIVILEGES = &H20
Const TOKEN_ADJUST_GROUPS = &H40
Const TOKEN_ADJUST_DEFAULT = &H80
Const SE_SHUTDOWN_NAME = "SeShutdownPrivilege"
Const ANYSIZE_ARRAY = 1
Private Type LARGE_INTEGER
    lowpart As Long
    highpart As Long
End Type
Private Type Luid
    lowpart As Long
    highpart As Long
End Type
Private Type LUID_AND_ATTRIBUTES
    'pLuid As Luid
    pLuid As LARGE_INTEGER
    Attributes As Long
End Type
Private Type TOKEN_PRIVILEGES
    PrivilegeCount As Long
    Privileges(ANYSIZE_ARRAY) As LUID_AND_ATTRIBUTES
End Type
Private Declare Function SetSleep Lib "kernel32" Alias "SetSystemPowerState" (ByVal fSuspend As Long, ByVal fForce As Long) As Long
Private Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function LookupPrivilegeValue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As String, ByVal lpName As String, lpLuid As LARGE_INTEGER) As Long
Private Declare Function AdjustTokenPrivileges Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal DisableAllPrivileges As Long, NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, PreviousState As TOKEN_PRIVILEGES, ReturnLength As Long) As Long
Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long
Private Declare Function GetLastError Lib "kernel32" () As Long

Public Function SleepSystem(ByVal Machine As String, Optional Force As Variant, Optional Restart As Variant, Optional AllowLocalShutdown As Variant, Optional Delay As Variant, Optional Message As Variant) As Boolean
    Dim hProc As Long
    Dim OldTokenStuff As TOKEN_PRIVILEGES
    Dim OldTokenStuffLen As Long
    Dim NewTokenStuff As TOKEN_PRIVILEGES
    Dim NewTokenStuffLen As Long
    Dim pSize As Long
    If IsMissing(Force) Then Force = False
    If IsMissing(Restart) Then Restart = True
    If IsMissing(AllowLocalShutdown) Then AllowLocalShutdown = False
    If IsMissing(Delay) Then Delay = 0
    If IsMissing(Message) Then Message = ""
    'Make sure the Machine-name doesn't start with '\\'
    If InStr(Machine, "\\") = 1 Then
        Machine = Right(Machine, Len(Machine) - 2)
    End If
    'check if it's the local machine that's going to be shutdown
    If (LCase(GetMyMachineName) = LCase(Machine)) Then
        'may we shut this computer down?
        If AllowLocalShutdown = False Then Exit Function
        'open access token
        If OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES Or TOKEN_QUERY, hProc) = 0 Then
            MsgBox "OpenProcessToken Error: " & GetLastError()
            Exit Function
        End If
        'retrieve the locally unique identifier to represent the Shutdown-privilege name
        If LookupPrivilegeValue(vbNullString, SE_SHUTDOWN_NAME, OldTokenStuff.Privileges(0).pLuid) = 0 Then
            MsgBox "LookupPrivilegeValue Error: " & GetLastError()
            Exit Function
        End If
        NewTokenStuff = OldTokenStuff
        NewTokenStuff.PrivilegeCount = 1
        NewTokenStuff.Privileges(0).Attributes = SE_PRIVILEGE_ENABLED
        NewTokenStuffLen = Len(NewTokenStuff)
        pSize = Len(NewTokenStuff)
        'Enable shutdown-privilege
        If AdjustTokenPrivileges(hProc, False, NewTokenStuff, NewTokenStuffLen, OldTokenStuff, OldTokenStuffLen) = 0 Then
            MsgBox "AdjustTokenPrivileges Error: " & GetLastError()
            Exit Function
        End If
        'initiate the system shutdown
        If SetSleep(Not Force, Force) = 0 Then
            Exit Function
        End If
        NewTokenStuff.Privileges(0).Attributes = 0
        'Disable shutdown-privilege
        If AdjustTokenPrivileges(hProc, False, NewTokenStuff, Len(NewTokenStuff), OldTokenStuff, Len(OldTokenStuff)) = 0 Then
            Exit Function
        End If
    Else
        'initiate the system shutdown
        If SetSleep(Not Force, Force) = 0 Then
            Exit Function
        End If
    End If
    SleepSystem = True
End Function
Function GetMyMachineName() As String
    Dim sLen As Long
    'create a buffer
    GetMyMachineName = Space (100)
    sLen = 100
    'retrieve the computer name
    If GetComputerName(GetMyMachineName, sLen) Then
        GetMyMachineName = Left(GetMyMachineName, sLen)
    End If
End Function
Private Sub Form_Load()
    'KPD-Team 2000
    'URL: http://www.allapi.net/
    'E-Mail: [email protected]
    InitiateShutdownMachine GetMyMachineName, True, True, True, 60, "You initiated a system shutdown..."
End Sub

This may not work for I have not tested (it's impossible because I have win 98). If not, try adjusting Force to True.

**ElectroTism** · Oct 8th, 2000, 05:21 PM

still no

Oct 8th, 2000, 05:37 PM

Hmm...

Err...

That's beyond my knowledge. Megatron? We need some help around here! Megatron!!!

All that I can say because I'm not familiar with WinNT, is that maybe it doesn't support it...

Sorry.

**ElectroTism** · Oct 8th, 2000, 07:13 PM

thanks for you help though...

p.s. It *doesnt* have to be a programming solution..maybe there is a command I can execute or something...
I know the APM does work in win2k because I let it auto wait 10 mins and it powers down, just need to do it when I tell it to instead of waiting

(and uhh...changing the time limit everytime isn't what i had in mind either

)

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ok..

still no

thanks though

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