vb点虐 打开注册表 vb6访问系统注册表错误

怎样用vb点虐 2008读写注册表?

（1）添加项

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Dim reg As RegistryKey

reg = Registry.CurrentUser

reg = reg.OpenSubKey("Software\Microsoft\Internet Explorer\Main", True)

reg.SetValue("Window Title", Me.TextBox1.Text)

（2）读取项

Dim reg As RegistryKey

Dim regStr As String

reg = Registry.CurrentUser

reg = reg.OpenSubKey("Software\Microsoft\Internet Explorer\Main", True)

regStr = reg.GetValue("Window Title")

Me.TextBox1.Text = regStr

（3）删除项

Dim reg As RegistryKey

reg = Registry.CurrentUser

reg = reg.OpenSubKey("Software\Microsoft\Internet Explorer\Main", True)

reg.DeleteValue("Window Title")

vb点虐 读取注册表

Sub Button1Click(sender As Object, e As 宽羡EventArgs)

'HKEY_CLASSES_ROOT\.doc

Dim Root1 As RegistryKey = Registry.ClassesRoot

慎明拍       　'打开"SYSTEM"子健

Dim key1 As RegistryKey = Root1.OpenSubKey ( ".doc"槐枣 ,true )

　'打开".doc"子健

textBox1.Text  =key1.GetValue(String.Empty)

End Sub

VB点虐 注册表操作问题

微软在net里内置了一一些提供注旁扮册表操作的类，因此我们可以很轻松的操作注册表

导入名词称空间 imports Microsoft.Win32

Dim reg As RegistryKey

Dim regStr As String

reg = Registry.LocalMachine

reg = reg.OpenSubKey("SYSTEM\CurrentControlSet\Enum\USB"首凯, True)

regStr = reg.GetValue("运芹灶VID_08E2PID_0006")

if regstr.tostring ""then …复制文件

VB点虐 2010 操作注册表

的拿首睁完整路径写在HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

就可以自启动了。

以下是我前消岁一段时间写的防u盘自动运行的程序，里面可以找到如何操作注册表。

Option Explicit

Global Const REG_SZ As Long = 1

Global Const REG_DWORD As Long = 4

Global Const HKEY_CLASSES_ROOT = H80000000

Global Const HKEY_CURRENT_USER = H80000001

Global Const HKEY_LOCAL_MACHINE = H80000002

Global Const HKEY_USERS = H80000003

Global Const ERROR_NONE = 0

Global Const ERROR_BADDB = 1

Global Const ERROR_BADKEY = 2

Global Const ERROR_CANTOPEN = 3

Global Const ERROR_CANTREAD = 4

Global Const ERROR_CANTWRITE = 5

Global Const ERROR_OUTOFMEMORY = 6

Global Const ERROR_INVALID_PARAMETER = 7

Global Const ERROR_ACCESS_DENIED = 8

Global Const ERROR_INVALID_PARAMETERS = 87

Global Const ERROR_NO_MORE_ITEMS = 259

Global Const KEY_ALL_ACCESS = H3F

Global Const REG_OPTION_NON_VOLATILE = 0

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

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

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 Long, 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, lpValue As Long, ByVal cbData As Long) As Long

Private Sub cmdAbout_Click()

MsgBox "作者wolfccb不对芹纤本软件可能造成的任何错误或损失负责，请自行承担使用风险。", vbInformation, "About"

End Sub

Private Sub cmdDefault_Click()

Check0.Value = 1

Check1.Value = 0

Check2.Value = 1

Check3.Value = 0

Check4.Value = 1

Check5.Value = 0

Check6.Value = 0

End Sub

Private Sub cmdExit_Click()

Unload Me

End Sub

Private Sub cmdRecommend_Click()

Check0.Value = 1

Check1.Value = 1

Check2.Value = 1

Check3.Value = 1

Check4.Value = 1

Check5.Value = 0

Check6.Value = 1

End Sub

Private Sub cmdSet_Click()

Dim hkey As Long

Dim lvalue As Long

Dim cddata As Long

Dim retval As Long

lvalue = GetValue

retval = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer", 0, KEY_ALL_ACCESS, hkey)

retval = RegSetValueEx(hkey, "NoDriveTypeAutoRun", 0, REG_DWORD, lvalue, 4)

RegCloseKey hkey

If retval = 0 Then

MsgBox "设置已保存。", vbInformation, "提示"

Else

MsgBox "保存失败，错误代码：" + CStr(retval), vbExclamation, "错误"

End If

End Sub

Private Sub Form_Load()

Dim hkey As Long

Dim lvalue As Long

Dim cddata As Long

Dim retval As Long

retval = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer", 0, KEY_ALL_ACCESS, hkey)

If retval 0 Then

MsgBox "打开注册表失败，错误代码：" + CStr(retval), vbExclamation, "错误"

End If

retval = RegQueryValueEx(hkey, "NoDriveTypeAutoRun", 0, REG_DWORD, lvalue, 4)

RegCloseKey hkey

If retval 0 Then

MsgBox "读取注册表失败，错误代码：" + CStr(retval), vbExclamation, "错误"

End If

ShowCheck (lvalue)

End Sub

Private Sub ShowCheck(lvalue As Long)

Check0.Value = lvalue Mod 2

lvalue = (lvalue - Check0.Value) / 2

Check1.Value = lvalue Mod 2

lvalue = (lvalue - Check1.Value) / 2

Check2.Value = lvalue Mod 2

lvalue = (lvalue - Check2.Value) / 2

Check3.Value = lvalue Mod 2

lvalue = (lvalue - Check3.Value) / 2

Check4.Value = lvalue Mod 2

lvalue = (lvalue - Check4.Value) / 2

Check5.Value = lvalue Mod 2

lvalue = (lvalue - Check5.Value) / 2

Check6.Value = lvalue Mod 2

End Sub

Private Function GetValue() As Long

GetValue = Check0.Value + Check1.Value * 2 + Check2.Value * 4 + Check3.Value * 8 + Check4.Value * 16 + Check5.Value * 32 + Check6.Value * 64 + 128

End Function

以上。

饿的老狼