VB 注册表操作

发布时间：2020-12-16 22:16:32 所属栏目：大数据来源：网络整理

导读：'*****下面先声明一些常量****************************************** Public Const HKEY_CLASSES_ROOT = H80000000 Public Const HKEY_CURRENT_CONFIG = H80000005 Public Const HKEY_CURRENT_USER = H80000001 Public Const HKEY_DYN_DATA = H80000006 Pub

'*****下面先声明一些常量****************************************** Public Const HKEY_CLASSES_ROOT = &H80000000 Public Const HKEY_CURRENT_CONFIG = &H80000005 Public Const HKEY_CURRENT_USER = &H80000001 Public Const HKEY_DYN_DATA = &H80000006 Public Const HKEY_LOCAL_MACHINE = &H80000002 Public Const HKEY_USERS = &H80000003 Public Const REG_OPTION_NON_VOLATILE = 0 Public Const KEY_ALL_ACCESS = (&H20000 Or &H1 Or &H2 Or &H4 Or &H8 Or &H10 Or &H20) And (Not &H100000) Public Const REG_SZ = 1 Public Const REG_DWORD = 4 '***************************************************************** '*****下面声明注册表操作中用到的API函数**************************** Public Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long,ByVal lpSubKey As String,phkResult As Long) As Long Public Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long Public Declare Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" (ByVal hKey As Long,ByVal uloptions As Long,ByVal samDesired As Long,phkResult As Long) As Long Public Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal hKey As Long,ByVal lpSubKey As String) As Long Public 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 Public Declare Function RegSetValueExLong Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long,lpValue As Long,ByVal cbData As Long) As Long Public Declare Function RegSetValueExString Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long,ByVal lpValue As String,ByVal cbData As Long) As Long Public Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hKey As Long,ByVal lpValueName As String) As Long '***************************************************************** '*****下面是我自己写的一些注册表操作中常用的一些函数************** '*****新键注册表项 Public Function createnewkey(ip As Long,snewkeyname As String) Dim hnewkey As Long Dim retval As Long retval = RegCreateKey(ip,snewkeyname,hnewkey) If retval = 0 Then RegCloseKey (hnewkey) '关闭上面建立或打开的项 End If End Function '实例：在HKEY_CURRENT_USER下建立项"xiaopeng" '代码为 createnewkey HKEY_CURRENT_USER,"xiaopeng" '****************************************************************** '*******删除注册表项*********************************************** Public Function deletekey(ip As Long,skeyname As String) Dim hKey As Long Dim retval As Long retval = RegOpenKeyEx(ip,skeyname,KEY_ALL_ACCESS,hKey) If retval = 0 Then RegDeleteKey ip,skeyname End If End Function '实例：删除上面建立的HKEY_CURRENT_USER下的项"xiaopeng" '代码为 deletekey HKEY_CURRENT_USER,"xiaopeng" '****************************************************************** '********新建,设置数值名称***************************************** Public Function setkeyvalue(ByVal ip As Long,ByVal keyname As String,ByVal valuename As String,ByVal valuesetting As Variant,ByVal valuetype As Long) Dim retval As Long Dim hKey As Long If RegOpenKeyEx(ip,keyname,hKey) > 0 Then Exit Function Select Case valuetype Case REG_SZ RegSetValueExString hKey,valuename,0&,REG_SZ,valuesetting,Len(valuesetting) Case REG_DWORD RegSetValueExLong hKey,valuetype,4 End Select RegCloseKey (hKey) End Function '实例：在HKEY_CURRENT_USER下的项"xiaopeng"中建立名为"redice",键值为"is xiaopeng",类型为REG_SZ的新键 '代码为 setkeyvalue HKEY_CURRENT_USER,"xiaopeng","redice","is xiaopeng",REG_SZ '又如:在HKEY_CURRENT_USER下的项"xiaopeng"中建立名为"ceshi",键值为2,类型为REG_DWORD的新键 '代码为"setkeyvalue HKEY_CURRENT_USER,"ceshi",2,REG_DWORD '****************************************************************** '*********删除数值名称********************************************* Public Function deletevalue(ByVal ip As Long,ByVal valuename As String) Dim retval As Long Dim hKey As Long retval = RegOpenKeyEx(ip,hKey) If retval > 0 Then Exit Function End If RegDeleteValue hKey,valuename RegCloseKey hKey End Function '实例：删除HKEY_CURRENT_USER下的项"xiaopeng"中名为"redice"的新键 '代码为 deletevalue HKEY_CURRENT_USER,"redice" '****************************************************************** '**********查询已存在的数值内容************************************ Public Function getvalue(ByVal ip As Long,keyname As String,valuename As String) As String Dim retval As Long Dim hKey As Long Dim valuesetting As Variant Dim cddata As Long Dim lvalue As Long Dim svalue As String Dim lvaluetye As Long retval = RegOpenKeyEx(ip,hKey) If retval > 0 Then getvalue = "" Exit Function End If retval = RegQueryValueEx(hKey,lvaluetype,ByVal VBNullString,cddata) If retval <> 0 Then RegCloseKey hKey Exit Function End If Select Case lvaluetype Case REG_SZ svalue = String(cddata,Chr(0)) RegQueryValueEx hKey,ByVal svalue,cddata valuesetting = Left$(svalue,cddata) getvalue = CStr(valuesetting) Case REG_DWORD RegQueryValueEx hKey,lvalue,cddata valuesetting = lvalue getvalue = CStr(valuesetting) End Select End Function '实例：获取HKEY_CURRENT_USER下的项"xiaopeng"中名为"redice"的新键的键值 '代码为 getvalue HKEY_CURRENT_USER,"redice" 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