Public Const HKEY_CLASSES_ROOT = &H80000000 Public Const HKEY_CURRENT_USER = &H80000001 Public Const HKEY_LOCAL_MACHINE = &H80000002 Public Const HKEY_USERS = &H80000003 Public Const HKEY_PERFORMANCE_DATA = &H80000004 Public Const ERROR_SUCCESS = 0&Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal hKey As Long, ByVal lpSubKey As String) As Long Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hKey As Long, ByVal lpValueName As String) As Long Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long 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 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 LongPrivate 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 Any) 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, lpData As Any, lpcbData As Long) As LongPublic Const REG_SZ = 1 ' Unicode nul terminated string Public Const REG_DWORD = 4 ' 32-bit numberPublic Function GetString(hKey As Long, strPath As String, strValue As String)
Dim keyhand As Long Dim datatype As Long Dim lResult As Long Dim strBuf As String Dim lDataBufSize As Long Dim intZeroPos As Integer r = RegOpenKey(hKey, strPath, keyhand) lResult = RegQueryValueEx(keyhand, strValue, 0&, lValueType, ByVal 0&, lDataBufSize) If lValueType = REG_SZ Then strBuf = String(lDataBufSize, " ") lResult = RegQueryValueEx(keyhand, strValue, 0&, 0&, ByVal strBuf, lDataBufSize) If lResult = ERROR_SUCCESS Then intZeroPos = InStr(strBuf, Chr$(0)) If intZeroPos > 0 Then GetString = Left$(strBuf, intZeroPos - 1) Else GetString = strBuf End If End If End IfEnd FunctionPublic Sub SaveString(hKey As Long, strPath As String, strValue As String, strdata As String)
Dim keyhand As Long Dim r As Long r = RegCreateKey(hKey, strPath, keyhand) r = RegSetValueEx(keyhand, strValue, 0, REG_SZ, ByVal strdata, Len(strdata)) r = RegCloseKey(keyhand)End SubPublic Function DelString(ByVal hKey As Long, ByVal strPath As String, ByVal strValue As String)
Dim keyhand As Long Dim r As Long r = RegOpenKey(hKey, strPath, keyhand) r = RegDeleteValue(keyhand, strValue) r = RegCloseKey(keyhand)End FunctionPublic Function DelKeys(ByVal hKey As Long, ByVal strPath As String) ', ByVal strKeys As String) Dim r As Long r = RegDeleteKey(hKey, strPath)End FunctionPublic Function CreateKeys(ByVal hKey As Long, ByVal strPath As String) Dim keyhand As Long Dim r As Long r = RegCreateKey(hKey, strPath, keyhand) r = RegCloseKey(keyhand)End Function Public Function ListSubkey(ByVal hKey As Long, ByVal strPath As String) As String Dim keyhand As Long Dim r As Long Dim strlistsubkey As String
Dim sName As String, sData As String, Ret As Long, RetData As Long Dim indexs As Long
Const ERROR_NO_MORE_ITEMS = 259& Const BUFFER_SIZE As Long = 255 Ret = BUFFER_SIZE sName = Space(BUFFER_SIZE)
r = RegOpenKey(hKey, strPath, keyhand) While RegEnumKeyEx(keyhand, indexs, sName, Ret, ByVal 0&, vbNullString, ByVal 0&, ByVal 0&) <> ERROR_NO_MORE_ITEMS If strlistsubkey = "" Then strlistsubkey = Left$(sName, Ret) Else strlistsubkey = strlistsubkey + "_" + Left$(sName, Ret) End If indexs = indexs + 1 Wend ListSubkey = strlistsubkey End Function
http://expert.csdn.net/Expert/topic/2064/2064300.xml?temp=.5751154注册表写入,应该为 If Result=0 Then 注册表读取: Public Function ReadReg(UserName As String, ListName As String) As Boolean Dim Result As Long Dim SubKey As String Dim Reg_phkey As Long ReadReg = False SubKey = "Software\WellDrawData" UserName = String(20, Chr(0)) listName = String(20, Chr(0)) Result = RegOpenKeyEx(HKEY_CURRENT_USER, SubKey, 0, KEY_READ, Reg_phkey) If Result = ERROR_SUCCESS Then RegQueryValueExString Reg_phkey, "用户名", 0&, REG_SZ, UserName, LenB(UserName) RegQueryValueExString Reg_phkey, "序列号", 0&, REG_SZ, ListName, LenB(ListName) RegCloseKey (Reg_phkey) End If UserName = Left(UserName, LenB(UserName) - 1) listName = Left(listName, LenB(listName) - 1) If Trim(UserName) = "hgy" And Trim(ListName) = "0123456789" Then ReadReg = True End If End FunctionVB中如何实现注册表的读写
Public Const HKEY_CURRENT_USER = &H80000001
Public Const HKEY_LOCAL_MACHINE = &H80000002
Public Const HKEY_USERS = &H80000003
Public Const HKEY_PERFORMANCE_DATA = &H80000004
Public Const ERROR_SUCCESS = 0&Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal hKey As Long, ByVal lpSubKey As String) As Long
Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hKey As Long, ByVal lpValueName As String) As Long
Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
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
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 LongPrivate 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 Any) 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, lpData As Any, lpcbData As Long) As LongPublic Const REG_SZ = 1 ' Unicode nul terminated string
Public Const REG_DWORD = 4 ' 32-bit numberPublic Function GetString(hKey As Long, strPath As String, strValue As String)
Dim keyhand As Long
Dim datatype As Long
Dim lResult As Long
Dim strBuf As String
Dim lDataBufSize As Long
Dim intZeroPos As Integer
r = RegOpenKey(hKey, strPath, keyhand)
lResult = RegQueryValueEx(keyhand, strValue, 0&, lValueType, ByVal 0&, lDataBufSize)
If lValueType = REG_SZ Then
strBuf = String(lDataBufSize, " ")
lResult = RegQueryValueEx(keyhand, strValue, 0&, 0&, ByVal strBuf, lDataBufSize)
If lResult = ERROR_SUCCESS Then
intZeroPos = InStr(strBuf, Chr$(0))
If intZeroPos > 0 Then
GetString = Left$(strBuf, intZeroPos - 1)
Else
GetString = strBuf
End If
End If
End IfEnd FunctionPublic Sub SaveString(hKey As Long, strPath As String, strValue As String, strdata As String)
Dim keyhand As Long
Dim r As Long
r = RegCreateKey(hKey, strPath, keyhand)
r = RegSetValueEx(keyhand, strValue, 0, REG_SZ, ByVal strdata, Len(strdata))
r = RegCloseKey(keyhand)End SubPublic Function DelString(ByVal hKey As Long, ByVal strPath As String, ByVal strValue As String)
Dim keyhand As Long
Dim r As Long
r = RegOpenKey(hKey, strPath, keyhand)
r = RegDeleteValue(keyhand, strValue)
r = RegCloseKey(keyhand)End FunctionPublic Function DelKeys(ByVal hKey As Long, ByVal strPath As String) ', ByVal strKeys As String) Dim r As Long
r = RegDeleteKey(hKey, strPath)End FunctionPublic Function CreateKeys(ByVal hKey As Long, ByVal strPath As String) Dim keyhand As Long
Dim r As Long
r = RegCreateKey(hKey, strPath, keyhand)
r = RegCloseKey(keyhand)End Function
Public Function ListSubkey(ByVal hKey As Long, ByVal strPath As String) As String Dim keyhand As Long
Dim r As Long
Dim strlistsubkey As String
Dim sName As String, sData As String, Ret As Long, RetData As Long
Dim indexs As Long
Const ERROR_NO_MORE_ITEMS = 259&
Const BUFFER_SIZE As Long = 255
Ret = BUFFER_SIZE
sName = Space(BUFFER_SIZE)
r = RegOpenKey(hKey, strPath, keyhand)
While RegEnumKeyEx(keyhand, indexs, sName, Ret, ByVal 0&, vbNullString, ByVal 0&, ByVal 0&) <> ERROR_NO_MORE_ITEMS
If strlistsubkey = "" Then
strlistsubkey = Left$(sName, Ret)
Else
strlistsubkey = strlistsubkey + "_" + Left$(sName, Ret)
End If
indexs = indexs + 1
Wend
ListSubkey = strlistsubkey
End Function
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http://expert.csdn.net/Expert/topic/2065/2065481.xml?temp=.4905512
http://expert.csdn.net/Expert/topic/2064/2064300.xml?temp=.1328852
VB操作注册表
http://www.sqreg.com/list.asp?id=243
http://www.sqreg.com/list.asp?id=244
http://www.sqreg.com/list.asp?id=245
http://www.sqreg.com/list.asp?id=246
http://www.sqreg.com/list.asp?id=247
http://www.sqreg.com/list.asp?id=248
http://www.sqreg.com/list.asp?id=249
http://www.sqreg.com/list.asp?id=250
http://www.sqreg.com/list.asp?id=251
If Result=0 Then
注册表读取:
Public Function ReadReg(UserName As String, ListName As String) As Boolean
Dim Result As Long
Dim SubKey As String
Dim Reg_phkey As Long
ReadReg = False
SubKey = "Software\WellDrawData"
UserName = String(20, Chr(0))
listName = String(20, Chr(0))
Result = RegOpenKeyEx(HKEY_CURRENT_USER, SubKey, 0, KEY_READ, Reg_phkey)
If Result = ERROR_SUCCESS Then
RegQueryValueExString Reg_phkey, "用户名", 0&, REG_SZ, UserName, LenB(UserName)
RegQueryValueExString Reg_phkey, "序列号", 0&, REG_SZ, ListName, LenB(ListName)
RegCloseKey (Reg_phkey)
End If
UserName = Left(UserName, LenB(UserName) - 1)
listName = Left(listName, LenB(listName) - 1)
If Trim(UserName) = "hgy" And Trim(ListName) = "0123456789" Then
ReadReg = True
End If
End FunctionVB中如何实现注册表的读写
---- “API”中专门提供了处理注册表的函数,不用说也知道,它们肯定功能强大(因为它们是API),但是它们的难度也是不小的。如果你是一个入门者的话,这大概会令你头痛一阵子。不过VB本身还提供了几个函数,专门用来处理注册表,相对来说它们就简单多了,所以我只对它们做一下说明: SaveSetting appname, section, key, value
---- 这句话的作用是将应用程序的信息存入注册表中。其中四个参数都是必要的,其含义分别为:应用程序名,区段,键,值。比如我们要为我们的程序(名为“测试”)的主窗体的位置进行存储,就可以写成: SaveSetting “测试”,”main”,”
top”,frmMain.Top
SaveSetting “测试”,”main”,”
Left”,frmMain.Left
SaveSetting “测试”,”main”,”
Width”,frmMain.Width
SaveSetting “测试”,”main”,”
Height”,frmMain.Height
---- 这样,就把当前的主窗体的位置进行了记录,在下次打开这个窗体的时候,我们就可以在把这些值取出来。那么如何才能把我们所存储的值取出来呢?这就要用到另一个函数:GetSetting,它的语法是: GetSetting(appname, section, key[, default])
---- 该函数的各部分的意义均和上面的函数的意义相同,所不同的是多了一个default而少了一个value。这个函数最后返回的结果即value值,而default指的是如果所指定的键不存在时,则以default指定的值为返回结果。如果没指定default,则default的默认值是””,即0长度的字符串。接上例,在程序刚开始的时候,我们应该取出上一次所存储的主窗体的位置,可以写成: frmMain.Top = GetSetting
(“测试”,”main”,”top”)
frmMain.Left = GetSetting
(“测试”,”main”,”Left”)
frmMain.Height = GetSetting
(“测试”,”main”,”Height”)
frmMain.Width = GetSetting
(“测试”,”main”,”Width”)
---- 好了,到此为止,可以暂且告一段落,让我们打开注册表,看一看我们把信息是记录在什么地方了。按照下面的路径打开: HKEY_CURRENT_USER\Software\VB And VBA Program Settings 你会看到你的“测试”就在里边放着。 ---- 当你的应用程序最终被卸载时,你应该考虑(而且你应该这样做)把你写入注册表中的内容清除掉,因为离开了你的应用程序,它们无疑就是一推垃圾而已。要想将它们删掉,我们可以用函数:DeleteSetting,它的语法如下:DeleteSetting appname, [section[, key]] 在几个参数中,只有appname是必须地,其它两项均可选。比如我们要删除窗体的“高”这键,则可以写成:DeleteSetting “测试”,”main”,”Height”如果我们要将”main”这个段整个去掉,则可以写成DeleteSetting “测试”,”main” 如果我们再彻底一些,想将整个应用程序去掉的话,就干脆直接写成: DeleteSetting “测试”
---- 这种方法的不足之处是只能把信息记录在指定的位置,即 HKEY_CURRENT_USER\Software\VB
And VBA Program Settings
---- 如果要写入到别的地方,就要借助于API了。