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Taskbar problems

Terenz

By Terenz,
in AutoIt General Help and Support

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Terenz Universalist

Terenz

Posted
Posted (edited)

Hi guys,

I need to hide the taskbar when i open a default folder with autoit. Searching on the forum i have found many method, ControlHide + @SW_HIDE, _WinAPI_FindWindow + @SW_HIDE, WinSetTrans at 0. Everyone work but only in theory, the taskbar is hidden but when i open the folder i have this:

2r5teva.jpg

So the question is:

How to really hide the taskbar and make that space usable?

Thanks for any help

Edited by Terenz

Nothing is so strong as gentleness. Nothing is so gentle as real strength

 

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Danyfirex Universalist

Danyfirex

Posted
Posted

Maybe this can Help.

#include <WinAPI.au3>
#include <WindowsConstants.au3>

$iPrevState = LockTaskBar(1)

Func LockTaskBar($iLock)
If @OSVersion <> "WIN_7" Then
        MsgBox(16,"Onyl on Windows 7", "The taskbar can only be locked this way in Windows 7 !")
        Return
    EndIf

    Local $iPrevState = RegRead("HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced", "TaskbarSizeMove")

    $hTrayWnd = WinGetHandle("[CLASS:Shell_TrayWnd]")
    If _WinAPI_GetClassName($hTrayWnd) <> "Shell_TrayWnd" Then Exit
    If $iPrevState = $iLock Then _SendMessage($hTrayWnd, $WM_COMMAND, 424, 0)
    Return 1-$iPrevState

EndFunc   ;==>LockTaskBar

saludos

:hyper: Danysys.com :ninja:

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Melba23 Universalist

Melba23

Posted
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Posted

Terenz,

Search the forum for the DLL call "SetWorkArea" - it tells Windows how big an area it can cover and ususally excludes the taskbar, even if it is hidden. There is another DLL call "GetWorkArea" which will give you the coordinates needed when you reset the size later. :)

M23

Public_Domain.png.2d871819fcb9957cf44f4514551a2935.png Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind

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Danyfirex Universalist

Danyfirex

Posted
Posted

Sorry. ¬¬ I only tried to help. 

:hyper: Danysys.com :ninja:

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Terenz Universalist

Terenz

Posted
  • Author
Posted (edited)

Hi Melba, that is a workaround of the problem, make the folder bigger instead of use maximize on the folder. I don't belive there isn't a way to hide taskbar like Windows do with auto-hide :sweating:
 
@Danyfirex don't sorry, i'll apprecciate any type of help ;)

Edited by Terenz

Nothing is so strong as gentleness. Nothing is so gentle as real strength

 

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Terenz Universalist

Terenz

Posted
  • Author
Posted (edited)

Ok, the "best-correct method" to automate the taskbar is to use:
SHAppBarMessage
I don't have found an example for add a newstatus to the taskbar, only for retrive information.
My idea was autohide the taskbar ( so the window can be maximized correclty ) using ABM_SETAUTOHIDEBAR and maybe send always hide so if the mouse go over it the taskbar will not appear...this on paper. Someone can help me with this? Thanks

Edited by Terenz

Nothing is so strong as gentleness. Nothing is so gentle as real strength

 

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Terenz Universalist

Terenz

Posted
  • Author
Posted (edited)

For intrested, this is a C# of what i'll try to reproduce

Source: Stackoverflow

[DllImport("user32.dll", CharSet = CharSet.Auto)]
    public static extern IntPtr FindWindow(string strClassName, string strWindowName);

[DllImport("shell32.dll")]
    public static extern UInt32 SHAppBarMessage(UInt32 dwMessage, ref APPBARDATA pData);

public enum AppBarMessages
    {
        New =
        0x00000000,
        Remove =
        0x00000001,
        QueryPos =
        0x00000002,
        SetPos =
        0x00000003,
        GetState =
        0x00000004,
        GetTaskBarPos =
        0x00000005,
        Activate =
        0x00000006,
        GetAutoHideBar =
        0x00000007,
        SetAutoHideBar =
        0x00000008,
        WindowPosChanged =
        0x00000009,
        SetState =
        0x0000000a
    }

    [StructLayout(LayoutKind.Sequential)]
    public struct APPBARDATA
    {
        public UInt32 cbSize;
        public IntPtr hWnd;
        public UInt32 uCallbackMessage;
        public UInt32 uEdge;
        public Rectangle rc;
        public Int32 lParam;
    }

    public enum AppBarStates
    {
        AutoHide =
        0x00000001,
        AlwaysOnTop =
        0x00000002
    }

/// <summary>
    /// Set the Taskbar State option
    /// </summary>
    /// <param name="option">AppBarState to activate</param>
    public void SetTaskbarState(AppBarStates option)
    {
        APPBARDATA msgData = new APPBARDATA();
        msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
        msgData.hWnd = FindWindow("System_TrayWnd", null);
        msgData.lParam = (Int32)(option);
        SHAppBarMessage((UInt32)AppBarMessages.SetState, ref msgData);
    }

    /// <summary>
    /// Gets the current Taskbar state
    /// </summary>
    /// <returns>current Taskbar state</returns>
    public AppBarStates GetTaskbarState()
    {
        APPBARDATA msgData = new APPBARDATA();
        msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
        msgData.hWnd = FindWindow("System_TrayWnd", null);
        return (AppBarStates)SHAppBarMessage((UInt32)AppBarMessages.GetState, ref msgData);

When the code above is implemented just set the Taskbar to autohide by:

SetTaskbarState(AppBarStates.AutoHide);

Get the current state by:

AppBarStates currentState = GetTaskbarState();

#END

I have found also a very old library ( 2006 ) in autoit, called >AppBar UDF. Inside there is a Func called _AppbarAutoHideBarSet, but seems not work, maybe need an update?

With my limited knowledge i don't think i can be useful for accomplish this, waiting for someone i'll continue to search and if i'll found something i'll post here.

Edited by Terenz

Nothing is so strong as gentleness. Nothing is so gentle as real strength

 

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Danyfirex Universalist

Danyfirex

Posted
Posted

For autoHide this work.

Global Const $ABS_AUTOHIDE = 0x1
Global $pabd = DllStructCreate("dword;int;uint;uint;int;int;int;int;int")
DllStructSetData($pabd,1,DllStructGetSize($pabd)) ;cbSize
DllStructSetData($pabd,2,ControlGetHandle("Start","","Shell_TrayWnd")) ;hWnd



DllStructSetData($pabd,9,$ABS_AUTOHIDE) ;????,???????
SHAppBarMessage($ABM_SETSTATE,$pabd) ;??ABM_SETSTATE??????


Func SHAppBarMessage($Message,ByRef $pabd)
$lResult = DllCall("shell32.dll","int","SHAppBarMessage","int",$Message,"ptr",DllStructGetPtr($pabd))
If Not @error Then
If $lResult[0] Then
Return $lResult[0]
EndIf
EndIf
SetError(1)
Return False
EndFunc

saludos

:hyper: Danysys.com :ninja:

autoit_scripter_blue_userbar.png

       AutoIt...

 

UDFs: VirusTotal API 2.0 UDF - libZPlay UDF - Apps: Guitar Tab Tester - VirusTotal Hash Checker

Examples: Text-to-Speech ISpVoice Interface - Get installed applications - Enable/Disable Network connection   PrintHookProc - WINTRUST - Mute Microphone Level - Get Connected NetWorks - Create NetWork Connection ShortCut

 

 

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timmy2 Polymath

timmy2

Posted
Posted

For autoHide this work.

Global Const $ABS_AUTOHIDE = 0x1
Global $pabd = DllStructCreate("dword;int;uint;uint;int;int;int;int;int")
DllStructSetData($pabd,1,DllStructGetSize($pabd)) ;cbSize
DllStructSetData($pabd,2,ControlGetHandle("Start","","Shell_TrayWnd")) ;hWnd



DllStructSetData($pabd,9,$ABS_AUTOHIDE) ;????,???????
SHAppBarMessage($ABM_SETSTATE,$pabd) ;??ABM_SETSTATE??????


Func SHAppBarMessage($Message,ByRef $pabd)
$lResult = DllCall("shell32.dll","int","SHAppBarMessage","int",$Message,"ptr",DllStructGetPtr($pabd))
If Not @error Then
If $lResult[0] Then
Return $lResult[0]
EndIf
EndIf
SetError(1)
Return False
EndFunc

saludos

 

Won't compile without error.  Below "SHAppBarMessage($ABM_SETSTATE,$pabd)" it says "$ABM_SETSTATE: possibly used before declaration, undeclared global variable.

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  • 9 years later...
sylremo Wayfarer

sylremo

Posted
Posted (edited)

Apologizing for bumping an old post, I just want to provide a cleaner snippet, which is more intuitive based on MSDOC's APPBARDATA: https://docs.microsoft.com/en-us/windows/win32/api/shellapi/ns-shellapi-appbardata
  

ToggleTaskbarAutoHide()
MsgBox(262144, '', 'Taskbar autohide toggled')
ToggleTaskbarAutoHide()


Func ToggleTaskbarAutoHide()

    Local Const $ABM_GETSTATE = 0x00000004
    Local Const $ABM_SETSTATE = 0x0000000A
    Local Const $ABS_AUTOHIDE = 0x00000001
    Local Const $ABS_ALWAYSONTOP = 0x00000002

    Local $tAPPBARDATA = DllStructCreate('dword;int;uint;uint;int[4];int')
    DllStructSetData($tAPPBARDATA, 1, DllStructGetSize($tAPPBARDATA))
    DllStructSetData($tAPPBARDATA, 2, WinGetHandle('[CLASS:Shell_TrayWnd]'))

    Local $iCurrentState = DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_GETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))

    Local $iNewState = $iCurrentState[0] ? $ABS_ALWAYSONTOP : $ABS_AUTOHIDE

    DllStructSetData($tAPPBARDATA, 6, $iNewState)

    DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_SETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))

EndFunc

 

Edited by sylremo
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ioa747 Universalist

ioa747

Posted
Posted (edited)

@sylremo thank you for this

I modified it according to my needs
  

; https://www.autoitscript.com/forum/topic/154281-taskbar-problems/?do=findComment&comment=1517375
; FileVersion:3, Testet on Win10 22H2, with AutoIt Version:3.3.16.1
;----------------------------------------------------------------------------------------
#AutoIt3Wrapper_AU3Check_Parameters=-d -w 1 -w 2 -w 3 -w 4 -w 5 -w 6 -w 7
;~ #AutoIt3Wrapper_UseX64=y

ConsoleWrite("TaskbarState=" & TaskbarState() & @CRLF)


; #FUNCTION# --------------------------------------------------------------------------------------------------------------------
; Name...........: TaskbarState
; Description....: Sets or gets the state of the taskbar.
; Syntax.........: TaskbarState([$iState])
; Parameters.....: $iState - [optional] The new state of the taskbar. Can be one of the following values:
;                           1 - Auto-hide the taskbar.
;                           2 - Always on top.
;                           3 - Toggle the current state of the taskbar.
; Return values..: The current state of the taskbar. Can be one of the following values:
;                  Success: 1 = Auto-hide, 2 = Always on top.
;                  Failure: 0 and sets the @error flag to non-zero.
; Author ........: sylremo, mod:ioa747
; Notes .........: if no value in $iState then return the state of the taskbar
; Link ..........: https://www.autoitscript.com/forum/topic/154281-taskbar-problems/#comment-1538596
;--------------------------------------------------------------------------------------------------------------------------------
Func TaskbarState($iState = "")
    Local Const $ABM_GETSTATE = 0x00000004
    Local Const $ABM_SETSTATE = 0x0000000A
    Local Const $ABS_AUTOHIDE = 0x00000001
    Local Const $ABS_ALWAYSONTOP = 0x00000002

    Local $tAPPBARDATA = DllStructCreate('dword;hwnd;dword;dword;int[4];dword')
    DllStructSetData($tAPPBARDATA, 1, DllStructGetSize($tAPPBARDATA))

    Local $iCurrentState = DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_GETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))
    If Not @error And IsArray($iCurrentState) Then

        Local $iNewState = $iCurrentState[0] ? $ABS_ALWAYSONTOP : $ABS_AUTOHIDE
        DllStructSetData($tAPPBARDATA, 6, $iNewState)
        $iCurrentState = $iCurrentState[0] = 1 ? 1 : 2

        If $iState = 1 Or $iState = 2 Then

            If $iCurrentState <> $iState Then
                DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_SETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))
                $iCurrentState = $iNewState
            EndIf

        ElseIf $iState = 3 Then
            DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_SETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))
            $iCurrentState = $iNewState
        EndIf

        Return $iCurrentState
    EndIf

    Return SetError(1, 0, 0)

EndFunc   ;==>TaskbarState


Thanks to @argumentum it now also works on x64

Thanks to @Nine  I removed the unnecessary call DllStructSetData()

 

Edited by ioa747
removed the unnecessary call DllStructSetData()

I know that I know nothing

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ioa747 Universalist

ioa747

Posted
Posted


@argumentum Thank you, now also works on x64
I filled in something else that was missing


$iCurrentState = $iNewState  ;*** <--- that was missing 

If $iState = 1 Or $iState = 2 Then
        If $iCurrentState <> $iState Then
            DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_SETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))
            $iCurrentState = $iNewState  ;*** <--- that was missing
        EndIf
    ElseIf $iState = 3 Then
        DllCall('shell32.dll', 'int', 'SHAppBarMessage', 'dword', $ABM_SETSTATE, 'ptr', DllStructGetPtr($tAPPBARDATA))
        $iCurrentState = $iNewState
    EndIf

 

I know that I know nothing

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Nine Universalist

Nine

Posted
Posted (edited)

Based on MSDN for ABM_GETSTATE message :

Quote

Pointer to an APPBARDATA structure. You must specify the cbSize member when sending this message; all other members are ignored.

Tested (x86, x64) without : 

DllStructSetData($tAPPBARDATA, 2, WinGetHandle('[CLASS:Shell_TrayWnd]'))

And it is working just fine.  Not a big deal, but I was doubtful on why we would need to provide this information.

Edited by Nine
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