Password Input Box

To Call the Function

Test Sub()

Call PW1

End Sub

Function with the code

Option Compare Database

Option Explicit

'////////////////////////////////////////////////////////////////////

'Password masked inputbox

'Allows you to hide characters entered in a VBA Inputbox.

'

'Code written by Daniel Klann

'March 2003

'////////////////////////////////////////////////////////////////////

'API functions to be used

Private Declare Function CallNextHookEx Lib "user32" (ByVal hHook As Long, _

ByVal ncode As Long, ByVal wParam As Long, lParam As Any) As Long

Private Declare Function GetModuleHandle Lib "kernel32" Alias "GetModuleHandleA" (ByVal lpModuleName As String) As Long

Private Declare Function SetWindowsHookEx Lib "user32" Alias "SetWindowsHookExA" _

(ByVal idHook As Long, ByVal lpfn As Long, ByVal hmod As Long, _

ByVal dwThreadId As Long) As Long

Private Declare Function UnhookWindowsHookEx Lib "user32" (ByVal hHook As Long) As Long

Private Declare Function SendDlgItemMessage Lib "user32" Alias "SendDlgItemMessageA" _

(ByVal hDlg As Long, ByVal nIDDlgItem As Long, ByVal wMsg As Long, _

ByVal wParam As Long, ByVal lParam As Long) As Long

Private Declare Function GetClassName Lib "user32" Alias "GetClassNameA" (ByVal hwnd As Long, _

ByVal lpClassName As String, _

ByVal nMaxCount As Long) As Long

Private Declare Function GetCurrentThreadId Lib "kernel32" () As Long

'Constants to be used in our API functions

Private Const EM_SETPASSWORDCHAR = &HCC

Private Const WH_CBT = 5

Private Const HCBT_ACTIVATE = 5

Private Const HC_ACTION = 0

Private hHook As Long

Public Function NewProc(ByVal lngCode As Long, ByVal wParam As Long, ByVal lParam As Long) As Long

Dim RetVal

Dim strClassName As String, lngBuffer As Long

If lngCode < HC_ACTION Then

NewProc = CallNextHookEx(hHook, lngCode, wParam, lParam)

Exit Function

End If

strClassName = String$(256, " ")

lngBuffer = 255

If lngCode = HCBT_ACTIVATE Then 'A window has been activated

RetVal = GetClassName(wParam, strClassName, lngBuffer)

If Left$(strClassName, RetVal) = "#32770" Then 'Class name of the Inputbox

'This changes the edit control so that it display the password character *.

'You can change the Asc("*") as you please.

SendDlgItemMessage wParam, &H1324, EM_SETPASSWORDCHAR, Asc("*"), &H0

End If

End If

'This line will ensure that any other hooks that may be in place are

'called correctly.

CallNextHookEx hHook, lngCode, wParam, lParam

End Function

Public Function InputBoxDK(Prompt, Optional Title, Optional Default, Optional XPos, _

Optional YPos, Optional HelpFile, Optional Context) As String

Dim lngModHwnd As Long, lngThreadID As Long

lngThreadID = GetCurrentThreadId

lngModHwnd = GetModuleHandle(vbNullString)

hHook = SetWindowsHookEx(WH_CBT, AddressOf NewProc, lngModHwnd, lngThreadID)

InputBoxDK = InputBox(Prompt, Title, Default, XPos, YPos, HelpFile, Context)

UnhookWindowsHookEx hHook

End Function 'Hope someone can use it!

Public Function PW1() 'This is where the Password is kept and Code is run

Dim strAdminPWord As String

strAdminPWord = InputBoxDK("Password required to proceed.", "Enter Licence Code")

If strAdminPWord = "MyPaswwordToBeUsed" Then

MsgBox "Correct Password Proceed", vbOKOnly, "success"

'Code to Process

Else

MsgBox ("You entered an invalid password")

' Exit Sub

End If

End Function