excel - VBA 中的密码屏蔽问题
问题描述
我正在尝试按照以下链接中的步骤来屏蔽 64 位 Excel 中的密码输入: https ://wellsr.com/vba/2016/excel/mask-your-password-with-this- vba-输入框/
当我尝试运行我的宏(参见下面列出的模块)时,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
解决方案
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