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funkey

Hello,

it's quite often, that someone asks how to change the texts of the MsgBox buttons or the InputBox buttons or how to change the position of ta MsgBox. Since years I use CBT hooks for that, but now I made a small UDF out of it for the ease of use. Of course you can build your own GUI or use already existing UDFs to do the same, but I like this way and you can hack (hook) the inbuild InputBox.

 

HookDlgBox.au3

#include-once
#include <WinAPI.au3>

Global Const $tagCBT_CREATEWND = "ptr lpcs;HWND tagCBT_CREATEWND"
Global Const $tagCREATESTRUCT = "ptr lpCreateParams;handle hInstance;HWND hMenu;HWND hwndParent;int cy;int cx;int y;int x;LONG style;ptr lpszName;ptr lpszClass;DWORD dwExStyle"

Global $g__hProcDlgBox = DllCallbackRegister("__DlgBox_CbtHookProc", "int", "int;int;int")
Global $g__TIdDlgBox = _WinAPI_GetCurrentThreadId()
Global $g__hHookDlgBox = _WinAPI_SetWindowsHookEx($WH_CBT, DllCallbackGetPtr($g__hProcDlgBox), 0, $g__TIdDlgBox)

Global Const $g__MaxDlgBtns = 5 ; maximum of 5 buttons to rename text
Global Const $g__MaxDlgItemId = 11 ; maximun ID of buttons to search is 11 as this is the maximun used in Messagebox

Global $g__DlgBoxPosX, $g__DlgBoxPosY, $g__DlgBoxWidth, $g__DlgBoxHeight
Global $g__aDlgBoxBtnText[$g__MaxDlgBtns]

Global $g__DlgBtnCount = 0

_DlgBox_SetDefaults()

OnAutoItExitRegister("__DlgBox_UnregisterHook")


Func _DlgBox_SetButtonNames($TxtBtn1 = Default, $TxtBtn2 = Default, $TxtBtn3 = Default, $TxtBtn4 = Default, $TxtBtn5 = Default)
    $g__aDlgBoxBtnText[0] = $TxtBtn1
    $g__aDlgBoxBtnText[1] = $TxtBtn2
    $g__aDlgBoxBtnText[2] = $TxtBtn3
    $g__aDlgBoxBtnText[3] = $TxtBtn4
    $g__aDlgBoxBtnText[4] = $TxtBtn5

    $g__DlgBtnCount = @NumParams
EndFunc   ;==>_DlgBox_SetButtonNames

Func _DlgBox_SetPosition($x = Default, $y = Default) ;only for MsgBox, not working and not needed for InputBox
    $g__DlgBoxPosX = $x
    $g__DlgBoxPosY = $y
EndFunc   ;==>_DlgBox_SetPosition

Func _DlgBox_SetSize($w = Default, $h = Default)
    $g__DlgBoxWidth = $w
    $g__DlgBoxHeight = $h
EndFunc   ;==>_DlgBox_SetSize

Func _DlgBox_SetDefaults()
    $g__DlgBoxPosX = Default
    $g__DlgBoxPosY = Default
    $g__DlgBoxWidth = Default
    $g__DlgBoxHeight = Default
    For $i = 0 To UBound($g__aDlgBoxBtnText) - 1
        $g__aDlgBoxBtnText[$i] = Default
    Next
EndFunc   ;==>_DlgBox_SetDefaults

Func __DlgBox_CbtHookProc($nCode, $wParam, $lParam)
    Local $tcw, $tcs
    Local $iSearch = 0
    Local $ahBtn[$g__DlgBtnCount]
    If $nCode < 0 Then
        Return _WinAPI_CallNextHookEx($g__hHookDlgBox, $nCode, $wParam, $lParam)
    EndIf

    Switch $nCode
        Case 3 ;5=HCBT_CREATEWND
            If _WinAPI_GetClassName(HWnd($wParam)) = "#32770" Then ;Dialoig window class
                $tcw = DllStructCreate($tagCBT_CREATEWND, $lParam)
                $tcs = DllStructCreate($tagCREATESTRUCT, DllStructGetData($tcw, "lpcs"))

                If $g__DlgBoxPosX <> Default Then DllStructSetData($tcs, "x", $g__DlgBoxPosX)
                If $g__DlgBoxPosY <> Default Then DllStructSetData($tcs, "y", $g__DlgBoxPosY)
                If $g__DlgBoxWidth <> Default Then DllStructSetData($tcs, "cx", $g__DlgBoxWidth)
                If $g__DlgBoxHeight <> Default Then DllStructSetData($tcs, "cy", $g__DlgBoxHeight)
            EndIf
        Case 5 ;5=HCBT_ACTIVATE
            For $i = 1 To $g__MaxDlgItemId
                If IsHWnd(_WinAPI_GetDlgItem($wParam, $i)) Then
                    If $g__aDlgBoxBtnText[$iSearch] <> Default Then _WinAPI_SetDlgItemText($wParam, $i, $g__aDlgBoxBtnText[$iSearch])
                    $iSearch += 1
                    If $iSearch >= UBound($ahBtn) Then ExitLoop
                EndIf
            Next
    EndSwitch
    Return _WinAPI_CallNextHookEx($g__hHookDlgBox, $nCode, $wParam, $lParam)
EndFunc   ;==>__DlgBox_CbtHookProc

Func __DlgBox_UnregisterHook()
    _WinAPI_UnhookWindowsHookEx($g__hHookDlgBox)
    DllCallbackFree($g__hProcDlgBox)
EndFunc   ;==>__DlgBox_UnregisterHook

Func _WinAPI_SetDlgItemText($hDlg, $nIDDlgItem, $lpString)
    Local $aRet = DllCall('user32.dll', "int", "SetDlgItemText", _
            "hwnd", $hDlg, _
            "int", $nIDDlgItem, _
            "str", $lpString)
    Return $aRet[0]
EndFunc   ;==>_WinAPI_SetDlgItemText

 

Simple example to see how to use it

#include "HookDlgBox.au3"

_DlgBox_SetButtonNames("1", "two", "3")
MsgBox(4, "Test 1", "Custom button texts")


_DlgBox_SetPosition(20, 20)
MsgBox(66, "Test 2", "Custom position and button texts")

_DlgBox_SetButtonNames("Submit", "Don't submit", "Don't know")
InputBox("Test 3", "Where were you born?", "Planet Earth")

_DlgBox_SetSize(800, 800)
InputBox("Test 4", "Where were you born?", "Planet Earth")

_DlgBox_SetSize(Default, 800)
MsgBox(66, "Test 5", "Strange but working")

_DlgBox_SetButtonNames(Default, "Wait", "What?")
_DlgBox_SetSize(Default, Default)
_DlgBox_SetPosition(500, 500)
MsgBox(66, "Test 6", "So far so good!")


_DlgBox_SetDefaults()

MsgBox(6, "Test 7", "Default position and button texts")

Hope you like it.

 

Best regards

funkey

HookDlgBox Example.au3

HookDlgBox.au3

Edited by funkey
  • Like 2

Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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funkey

Thanks.

I was quite sure I repaired this. I first used DlgWnd but then I found out that Microsoft is talking about Dialog Boxes.

Here another example with other dialog boxes

 

#include <Misc.au3>
#include "HookDlgBox.au3"


; force german custum button texts for FileOpenDialog
_DlgBox_SetButtonNames("Datei öffnen", "Auswahl abbrechen")
FileOpenDialog("Test", @ScriptDir, "AutoIt scriptses (*.au3)")


_DlgBox_SetButtonNames(Default)
 _DlgBox_SetPosition(500, 100)
_ChooseColor()


_DlgBox_SetButtonNames("Lets go", "No no")
_ChooseFont()

 

  • Like 1

Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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