VB操作注册表:
http://www.sqreg.com/file/vb/reg_01.htm
http://www.sqreg.com/file/vb/reg_02.htm
http://www.sqreg.com/file/vb/reg_03.htm
http://www.sqreg.com/file/vb/reg_04.htm
http://www.sqreg.com/file/vb/reg_05.htm
http://www.sqreg.com/file/vb/reg_06.htm
http://www.sqreg.com/file/vb/reg_07.htm
http://www.sqreg.com/file/vb/reg_01.htm
http://www.sqreg.com/file/vb/reg_02.htm
http://www.sqreg.com/file/vb/reg_03.htm
http://www.sqreg.com/file/vb/reg_04.htm
http://www.sqreg.com/file/vb/reg_05.htm
http://www.sqreg.com/file/vb/reg_06.htm
http://www.sqreg.com/file/vb/reg_07.htm
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PrivateDeclareFunction RegCloseKey Lib "advapi32.dll" (ByVal hKey AsLong)As Long
Private Declare Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" (ByVal hKey As Long, ByVal lpSubKey AsString, ByVal ulOptions As Long, ByVal samDesired As Long,phkresult As Long) As Long
Private Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long,ByVal lpValueNameAs String, ByVal lpReserved As Long,lpType As Long, lpDataAs Any, lpcbData As Long) As Long'Note that if you declarethe lpData parameter as String, youmust pass it By Value.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,lpDataAs Any, ByVal cbData As Long) As Long'Note that ifyou declarethe lpData parameter as String, you must pass itBy Value.Const HKEY_LOCAL_MACHINE = &H80000002 Const REG_DWORD =4 Const ERROR_SUCCESS = 0& Const KEY_ALL_ACCESS = &H3F ConstA = 2.12199579047121E-314 Const reg1 = "software \microsoft\windows \currentversion\setup"Public phkresult As Long在Form的Click事件中添加以下代码:
Private Sub Form_Click() Dim back As Long Dim Updata As Double back = RegOpenKeyEx(HKEY_LOCAL_MACHINE, reg1, 0&,KEY_ALL_ACCESS,phkresult) back = RegQueryValueEx(phkresult,"SetupOnce", 0,REG_DWORD, Updata, 4)'如果要用RegQueryValueEx()读出某一值,函数调用前必须以KEY_QUERY_VALUE参数形式打开,实例中以KEY_ALL_ACCESS参数打开,实际上已包含了KEY_QUERY_VALUE。If back = ERROR_SUCCESS Then If Updata <> A Then Updata = A back = RegSetValueEx (phkresult, "SetupOnce", 0&,REG_DWORD,Updata, 4) If back = ERROR_SUCCESS Then
MsgBox "标记成功!"Else MsgBox "标记不成功!"
Exit Sub
End If
Else MsgBox "要标记的项已是所需" RegCloseKey(phkresult)
Exit Sub
End If
Else Msgbox "注册表中无所需修改的项" End If RegCloseKey(phkresult)
End Sub