'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
'// Make it public = avail to ALL Modules
'// Lets simulate the VBA Input Function
Public Function InputBoxDK(Prompt As String, Optional Title As String, _
Optional Default As String, _
Optional Xpos As Long, _
Optional Ypos As Long, _
Optional HelpFile As String, _
Optional Context As Long) As String
Dim lngModHwnd As Long, lngThreadID As Long
'// Lets handle any Errors JIC! due to HookProc> App hang!
On Error GoTo ExitProperly
lngThreadID = GetCurrentThreadId
lngModHwnd = GetModuleHandle(vbNullString)
hHook = SetWindowsHookEx(WH_CBT, AddressOf NewProc, lngModHwnd, lngThreadID)
If Xpos Then
InputBoxDK = InputBox(Prompt, Title, Default, Xpos, Ypos, HelpFile, Context)
Else
InputBoxDK = InputBox(Prompt, Title, Default, , , HelpFile, Context)
End If
ExitProperly:
UnhookWindowsHookEx hHook
End Function
