Question

我正在尝试按照以下链接中的步骤屏蔽64位Excel中的密码输入：https://wellsr.com/vba/2016/excel/mask-your-password-with-this-vba-inputbox/

当我尝试运行宏时（请参阅下面的模块列出），我的文件刚刚关闭。我已经标记了代码崩溃的地方。有人可以帮我解决这个问题吗？我还不够熟练，无法靠自己解决这个问题。

我的模块内容：

'----------------------------------
'API CONSTANTS FOR PRIVATE INPUTBOX
'----------------------------------
Private Declare PtrSafe Function CallNextHookEx Lib "user32" (ByVal hHook As LongPtr, ByVal ncode As Long, ByVal wParam As LongPtr, lParam As Any) As LongPtr
Private Declare PtrSafe Function GetModuleHandle Lib "kernel32" Alias "GetModuleHandleA" (ByVal lpModuleName As String) As LongPtr
Private Declare PtrSafe Function SetWindowsHookEx Lib "user32" Alias "SetWindowsHookExA" (ByVal idHook As Long, ByVal lpfn As LongPtr, ByVal hmod As LongPtr, ByVal dwThreadId As Long) As LongPtr
Private Declare PtrSafe Function UnhookWindowsHookEx Lib "user32" (ByVal hHook As LongPtr) As Long
Private Declare PtrSafe Function SendDlgItemMessage Lib "user32" Alias "SendDlgItemMessageA" (ByVal hDlg As LongPtr, ByVal nIDDlgItem As Long, ByVal wMsg As Long, ByVal wParam As LongPtr, ByVal lParam As LongPtr) As LongPtr
Private Declare PtrSafe Function GetClassName Lib "user32" Alias "GetClassNameA" (ByVal hwnd As LongPtr, ByVal lpClassName As String, ByVal nMaxCount As Long) As Long
Private Declare PtrSafe 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 LongPtr

'----------------------------------
'PRIVATE PASSWORDS FOR INPUTBOX
'----------------------------------

'////////////////////////////////////////////////////////////////////
'Password masked inputbox
'Allows you to hide characters entered in a VBA Inputbox.
'
'Code written by Daniel Klann
'March 2003
'////////////////////////////////////////////////////////////////////

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

Function InputBoxDK(Prompt, Title) As String
#If VBA7 Then
    Dim lngModHwnd As LongPtr
#End If
Dim lngThreadID As Long
    lngThreadID = GetCurrentThreadId
    lngModHwnd = GetModuleHandle(vbNullString)
'xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
MsgBox ("Breaks on next line")
'xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
    hHook = SetWindowsHookEx(WH_CBT, AddressOf NewProc, lngModHwnd, lngThreadID)
    InputBoxDK = InputBox(Prompt, Title)
    UnhookWindowsHookEx hHook
End Function

Sub Test_InputBoxDK()
x = InputBoxDK("Enter your Password.", "Password Required")
End Sub

VBA中的密码屏蔽问题-Daniel Klann

0 个答案: