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Detemine if Reg Key Exists


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Good day,

I have the following script:

; -----------------------------------------------
Opt("MustDeclareVars", 1)
; -----------------------------------------------
_UpdateRegValueData2()
; -----------------------------------------------
Func _UpdateRegValueData2()
    ; Source data
    Local $_sSrcPath1 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro"
    Local $_sSrcPath2 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One"
    Local $_sSrcPath3 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C"
    Local $_sSrcPath4 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS"
    Local $_sSrcPath5 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G"
    Local $_sSrcPath6 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L"
    Local $_sSrcPath7 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn"
    Local $_sSrcPath8 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon"
    Local $_sSrcPath9 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless"
    Local $_sSrcPath10 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin"
    Local $_sSrcPath11 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano"
    ; -----------------------------------------------
    SplashTextOn("NOTICE!!", "Update Reg Value 2 data...", 350, 50, -1, -1)
    Sleep(1000)
    ; -----------------------------------------------
    RegDelete($_sSrcPath1)
    RegDelete($_sSrcPath2)
    RegDelete($_sSrcPath3)
    RegDelete($_sSrcPath4)
    RegDelete($_sSrcPath5)
    RegDelete($_sSrcPath6)
    RegDelete($_sSrcPath7)
    RegDelete($_sSrcPath8)
    RegDelete($_sSrcPath9)
    RegDelete($_sSrcPath10)
    RegDelete($_sSrcPath11)
    ; -----------------------------------------------
    SplashTextOn("NOTICE!!", "Update Reg Value 2 data completed...", 350, 50, -1, -1)
    Sleep(1000)
    SplashOff()
EndFunc   ;==>_UpdateRegValueData2
; -----------------------------------------------

I need to verify if the keys are ...in fact, deleted.

I did look at RegRead...but I cannot seem to "get me head around it!!"

Any assistance would be greatly appreciated!

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ConsoleWrite("_RegExist=" & _RegExist("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion", "ProgramFilesDir") & @CRLF)
ConsoleWrite("_RegExist=" & _RegExist("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion", "ProgramFilesDirrr") & @CRLF)

Func _RegExist($sKeyname, $sValuename)
    ; Check if the registry key exist
    RegRead($sKeyname, $sValuename)
    If @error Then
        Return False
    Else
        Return True
    EndIf
EndFunc   ;==>_RegExist

 

I know that I know nothing

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if you are only interested in the keyname

#include <MsgBoxConstants.au3>

ConsoleWrite("_RegKeyExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion") & @CRLF)
ConsoleWrite("_RegKeyExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersionnn") & @CRLF)


Func _RegKeyExist($sKeyname)
    RegRead($sKeyname, "")
    If @error = 1 Then
        MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "NOT Exist.")
        Return False
    EndIf
    MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "Exist.")
    Return True
EndFunc   ;==>_RegKeyExist

 

Edited by ioa747
correction

I know that I know nothing

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ioa747,

For the above...it would "appear" that the Console is outputting the correct output, however both MsgBox's are outputting "Not exist!" - when the first [CurrentVersion] does and the second [CurrentVersionnnn] does not.

Also, I have 11 items to read!

My example:

#include <MsgBoxConstants.au3>

Opt("MustDeclareVars", 1)

ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One") & @CRLF)

Func _RegKeyExist($sKeyname)
    ; Check if the Keyname exist
    RegRead($sKeyname, "")
    If @error = -1 Then
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF &  "NOT Exist.")
        Return False
    Else
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF &  "NOT Exist.")
        Return True
    EndIf
EndFunc   ;==>_RegExist

...does not work!

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  • Solution

I corrected the above


here's how it could be

; -----------------------------------------------
_UpdateRegValueData2()
; -----------------------------------------------
Func _UpdateRegValueData2()
    Local $_sSrcPath[12] = [11]
    $_sSrcPath[1] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro"
    $_sSrcPath[2] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One"
    $_sSrcPath[3] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C"
    $_sSrcPath[4] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS"
    $_sSrcPath[5] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G"
    $_sSrcPath[6] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L"
    $_sSrcPath[7] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn"
    $_sSrcPath[8] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon"
    $_sSrcPath[9] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless"
    $_sSrcPath[10] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin"
    $_sSrcPath[11] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano"
    ; -----------------------------------------------
    Local $sMessage = "Update Reg Value 2 data..." & @CRLF
    SplashTextOn("NOTICE!!", $sMessage, 650, 350, -1, -1, 4)
    Sleep(1000)
    ; -----------------------------------------------

    For $i = 1 to $_sSrcPath[0]
        RegDelete($_sSrcPath[$i])
        $sMessage &= $i & ") " & ( _RegKeyExist($_sSrcPath[$i]) ? "NOT Delete " : "Delete ") & $_sSrcPath[$i] & @CRLF
        ControlSetText("NOTICE!!", "", "Static1", $sMessage)
        Sleep(300)
    Next

    $sMessage &= "Update Reg Value 2 data completed..." & @CRLF

    ; -----------------------------------------------
    SplashTextOn("NOTICE!!", $sMessage, 650, 350, -1, -1, 4)
    Sleep(5000)
    SplashOff()
EndFunc   ;==>_UpdateRegValueData2
; -----------------------------------------------

Func _RegKeyExist($sKeyname)
    RegRead($sKeyname, "")
    If @error = 1 Then
        ;MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "NOT Exist.")
        Return False
    EndIf
    ;MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "Exist.")
    Return True
EndFunc   ;==>_RegKeyExist

 

or you can just trust Reg Delete() without having to confirm with _RegKeyExist()
(he's not going to lie to you)

; -----------------------------------------------
_UpdateRegValueData2()
; -----------------------------------------------
Func _UpdateRegValueData2()
    Local $_sSrcPath[12] = [11]
    $_sSrcPath[1] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro"
    $_sSrcPath[2] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One"
    $_sSrcPath[3] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C"
    $_sSrcPath[4] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS"
    $_sSrcPath[5] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G"
    $_sSrcPath[6] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L"
    $_sSrcPath[7] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn"
    $_sSrcPath[8] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon"
    $_sSrcPath[9] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless"
    $_sSrcPath[10] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin"
    $_sSrcPath[11] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano"
    ; -----------------------------------------------
    Local $Result
    Local $sMessage = "Update Reg Value 2 data..." & @CRLF
    SplashTextOn("NOTICE!!", $sMessage, 650, 350, -1, -1, 4)
    Sleep(1000)
    ; -----------------------------------------------

    For $i = 1 to $_sSrcPath[0]
        $Result = RegDelete($_sSrcPath[$i])
        Switch $Result
            Case 0 ;the key/value does not exist
                $Result = "does not exist "
            Case 1 ;Success
                $Result = "Success Delete "
            Case 2 ;error deleting key/value
                $Result = "error deleting "
        EndSwitch
        $sMessage &= $i & ") " & $Result & $_sSrcPath[$i] & @CRLF
        ControlSetText("NOTICE!!", "", "Static1", $sMessage)
        Sleep(300)
    Next

    $sMessage &= "Update Reg Value 2 data completed..." & @CRLF

    ; -----------------------------------------------
    SplashTextOn("NOTICE!!", $sMessage, 650, 350, -1, -1, 4)
    Sleep(5000)
    SplashOff()
EndFunc   ;==>_UpdateRegValueData2
; -----------------------------------------------

 

Edited by ioa747
correction

I know that I know nothing

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ioa747,

Okay!! SO far...so good!!

#include <MsgBoxConstants.au3>

ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin") & @CRLF)
ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano") & @CRLF)

Func _RegKeyExist($sKeyname)
    ; Check if the Keyname exist
    ;ConsoleWrite("" & @CRLF)

    RegRead($sKeyname, "")
    If @error = -1 Then
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & " exists.", 1)
        Return True
    Else
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & "...does not Exist.", 1)
        Return False
    EndIf
EndFunc   ;==>_RegKeyExist

How do you remove the "ConsoleWrite" commands?

May I ask where the variable "$sKeyname" and "$sValuename" are derived?

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26 minutes ago, mr-es335 said:

How do you remove the "ConsoleWrite" commands?

with deletion
from

ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano") & @CRLF)

to

_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano")

 

 

26 minutes ago, mr-es335 said:

May I ask where the variable "$sKeyname" and "$sValuename" are derived?

is Parameters (The parameters are set by you. in the function )  https://www.autoitscript.com/autoit3/docs/keywords/Func.htm
from

_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano")

Func _RegKeyExist($sKeyname)
RegRead($sKeyname, "")
...
...

https://www.autoitscript.com/autoit3/docs/functions/RegRead.htm

 

look above at
here's how it could be
https://www.autoitscript.com/forum/topic/212277-detemine-if-reg-key-exists/#comment-1536847

Edited by ioa747

I know that I know nothing

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ioa747,

Well ioa747, you have helped me again!! Much "undermeicated!!"

Here is the completed script:

; -----------------------------------------------
#include <MsgBoxConstants.au3>
; -----------------------------------------------
Opt("MustDeclareVars", 1)
; -----------------------------------------------
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin")
_RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano")
; -----------------------------------------------
Func _RegKeyExist($sKeyname)
    RegRead($sKeyname, "")
    If @error = -1 Then
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & " exists.", 1)
        Return True
    Else
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & "...does not Exist.", 1)
        Return False
    EndIf
EndFunc   ;==>_RegKeyExist
; -----------------------------------------------

If it were possible, ios747, I would give you "arrays"!!

Thank you so very much for all of your time....appreciated!

PS: my apologies...missed this one https://www.autoitscript.com/forum/topic/212277-detemine-if-reg-key-exists/#comment-1536847
• "WOW!" WOW,WOW!"...and..."WOW, WOW, WOW!!" Thanks!

Edited by mr-es335
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;~ this was not much different

;~ from that
Local $_sSrcPath1 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro"
Local $_sSrcPath2 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One"
Local $_sSrcPath3 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C"
Local $_sSrcPath4 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS"
Local $_sSrcPath5 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G"
Local $_sSrcPath6 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L"
Local $_sSrcPath7 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn"
Local $_sSrcPath8 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon"
Local $_sSrcPath9 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless"
Local $_sSrcPath10 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin"
Local $_sSrcPath11 = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano"


;~ to this
Local $_sSrcPath[12] = [11]
$_sSrcPath[1] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro"
$_sSrcPath[2] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One"
$_sSrcPath[3] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C"
$_sSrcPath[4] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS"
$_sSrcPath[5] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G"
$_sSrcPath[6] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L"
$_sSrcPath[7] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn"
$_sSrcPath[8] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon"
$_sSrcPath[9] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless"
$_sSrcPath[10] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin"
$_sSrcPath[11] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano"

;~ simply with arrays, they are more easily managed in a loop

 

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ioa747,

Just to be absolutely sure that I understand things here?

First...

;                                                           $sKeyname                                $sValuename
ConsoleWrite("_RegExist=" & _RegExist("HKEY_CURRENT_USER\Software\Native Instruments\Guitar Rig 5", "UserContent") & @CRLF)
ConsoleWrite("_RegExist=" & _RegExist("HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5", "InstallVSTDir") & @CRLF)
; Thus...
; $sKeyname = HKEY_CURRENT_USER\Software\Native Instruments\Guitar Rig 5 and HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5
; $sValuename = UserContent and InstallVSTDir
; ...are the parameters that are being sent to Func _RegExist()

Func _RegExist($sKeyname, $sValuename)
    ; Check if the registry key exist
    RegRead($sKeyname, $sValuename)
    If @error Then
        Return False
    Else
        Return True
    EndIf
EndFunc   ;==>_RegExist5

Second...

; How do you remove the "ConsoleWrite" commands?
; Change: ConsoleWrite("_RegExist=" & _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano") & @CRLF)
;To: _RegKeyExist("HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano")

;ConsoleWrite("_RegExist=" & _RegExist("HKEY_CURRENT_USER\Software\Native Instruments\Guitar Rig 5", "UserContent") & @CRLF)
;ConsoleWrite("_RegExist=" & _RegExist("HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5", "InstallVSTDir") & @CRLF)

_RegExist("HKEY_CURRENT_USER\Software\Native Instruments\Guitar Rig 5", "UserContent")
_RegExist("HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5", "InstallVSTDir")

Func _RegExist($sKeyname, $sValuename)
    ; Check if the registry key exist
    RegRead($sKeyname, $sValuename)
    If @error Then
        Return False
    Else
        Return True
    EndIf
EndFunc   ;==>_RegExist5

..and third...

; How do I output the datas to the display?
; 1) Update: RegRead($sKeyname, $sValuename)
; 2) Update TO the following:
; If @error = -1 Then
;   MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & " exists.")
;       Return True
;   Else
;       MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & "...does not Exist.")
;       Return False
;   EndIf

#include <MsgBoxConstants.au3>

_RegExist("HKEY_CURRENT_USER\Software\Native Instruments\Guitar Rig 5", "UserContent")
_RegExist("HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5", "InstallVSTDir")

Func _RegExist($sKeyname, $sValuename)
    ; Check if the registry key exist
    RegRead($sKeyname, $sValuename)
    If @error = -1 Then
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & " exists.")
        Return True
    Else
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & "...does not Exist.")
        Return False
    EndIf
EndFunc   ;==>_RegExist

Would these be correct?
• I simply want to be absolutely sure that I NOT missing something here!
• All three of the above appear to be "working as they should"?

Edited by mr-es335
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Hello,

I had to update [If @error = -1 Then] to [If @error = 0 Then] to obtain the correct output.
• I do find it interesting that "0" is not mentioned in the Helpfile!! I simply assumed that "0" meant success?!?

#include <MsgBoxConstants.au3>

_RegExist("HKEY_CURRENT_USER\Software\Native Instruments\Guitar Rig 5", "UserContent")
_RegExist("HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5", "InstallVSTDir")
_RegExist("HKEY_LOCAL_MACHINE\Software\Native Instruments\Guitar Rig 5", "InstallVST64Dir")

Func _RegExist($sKeyname, $sValuename)
    ; Check if the registry key exist
    RegRead($sKeyname, $sValuename)
    If @error = 0 Then
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & $sValuename & @CRLF & " exists.")
        Return True
    Else
        MsgBox($MB_SYSTEMMODAL, "Registry", "The registry key" & @CRLF & $sKeyname & @CRLF & $sValuename & @CRLF & "...does not Exist.")
        Return False
    EndIf
EndFunc   ;==>_RegExist

Now, to be able to update those keys?!?
• The first needs to be added
• The second needs to be deleted
• The third needs to be updated

Please see this: [Click_Me]

Edited by mr-es335
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;~  it depends on the case at first to distinguish
;~  Func _RegExist($sKeyname, $sValuename)
;~  from
;~  Func _RegKeyExist($sKeyname)

;~  @error: 
;~   1 = unable to open requested key
;~   2 = unable to open requested main key
;~   3 = unable to remote connect to the registry
;~  -1 = unable to open requested value
;~  -2 = value type not supported



#include <MsgBoxConstants.au3>

_RegExist("HKEY_CURRENT_USER\SOFTWARE\AutoIt v3\AutoIt", "Include")
_RegExist("HKEY_CURRENT_USER\SOFTWARE\AutoIt v3\AutoIt", "")

_RegKeyExist("HKEY_CURRENT_USER\SOFTWARE\AutoIt v3\AutoIt")
_RegKeyExist("HKEY_CURRENT_USER\SOFTWARE\AutoIt v3\AutoIt33")


;---------------------------------------------------------------------------------------------------------
Func _RegExist($sKeyname, $sValuename)
    ; Check if the registry key exist
    RegRead($sKeyname, $sValuename)
    Local $err = @error
    ConsoleWrite("$err=" & $err & @CRLF)

    If $err = 0 Then
        MsgBox($MB_SYSTEMMODAL, "_RegExist", "The registry key" & @CRLF & $sKeyname & @CRLF & $sValuename & @CRLF & " exists.")
        Return True
    Else
        MsgBox($MB_SYSTEMMODAL, "_RegExist", "The registry key" & @CRLF & $sKeyname & @CRLF & $sValuename & @CRLF & "...does not Exist.")
        Return False
    EndIf
EndFunc   ;==>_RegExist
;---------------------------------------------------------------------------------------------------------
Func _RegKeyExist($sKeyname)
    RegRead($sKeyname, "")
    Local $err = @error
    ConsoleWrite("$err=" & $err & @CRLF)

    If $err = 1 Then
        MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "NOT Exist.")
        Return False
    EndIf
    MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "Exist.")
    Return True
EndFunc   ;==>_RegKeyExist
;---------------------------------------------------------------------------------------------------------

 

Edited by ioa747
correction

I know that I know nothing

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correction

;---------------------------------------------------------------------------------------------------------
Func _RegKeyExist($sKeyname)
    RegRead($sKeyname, "")
    Local $err = @error
    ConsoleWrite("$err=" & $err & @CRLF)

    If $err = 1 Then
        MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "NOT Exist.")
        Return False
    EndIf
    MsgBox($MB_SYSTEMMODAL, "_RegKeyExist", "The registry key" & @CRLF & $sKeyname & @CRLF & "Exist.")
    Return True
EndFunc   ;==>_RegKeyExist
;---------------------------------------------------------------------------------------------------------

 

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This sets the first element of the array to the number of elements in the array.
Details can be found here - Section "Arrays".

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2024-07-28 - Version 1.6.3.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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is the same as this
 

;~ to this
Local $_sSrcPath[12] ; = [11]
$_sSrcPath[0] = 11
$_sSrcPath[1] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Micro"
$_sSrcPath[2] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\One"
$_sSrcPath[3] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-C"
$_sSrcPath[4] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-DS"
$_sSrcPath[5] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-G"
$_sSrcPath[6] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Pro-L"
$_sSrcPath[7] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Saturn"
$_sSrcPath[8] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Simplon"
$_sSrcPath[9] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Timeless"
$_sSrcPath[10] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Twin"
$_sSrcPath[11] = "HKEY_LOCAL_MACHINE\SOFTWARE\FabFilter\Volcano"

 

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