VB.NET中Array的问题示例

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本实例需要项目引用：

Imports Microsoft.Win32  '用途 ： 注册表操作  Imports System.Security.AccessControl'用途 ： 访问权限控制

首先,对注册表的键增加权限,细分起来共有11种可选的权限类型，它们对应的参数如下：

Select Case ComboBox1.Text  Case "完全控制"  ObjRegRight = RegistryRights.FullControl  Case "查询数值"  ObjRegRight = RegistryRights.QueryValues  Case "设置数值"  ObjRegRight = RegistryRights.SetValue  Case "创建子项"  ObjRegRight = RegistryRights.CreateSubKey  Case "枚举子项"  ObjRegRight = RegistryRights.EnumerateSubKeys  Case "通知"  ObjRegRight = RegistryRights.Notify  Case "创建链接"  ObjRegRight = RegistryRights.CreateLink  Case "删除"  ObjRegRight = RegistryRights.Delete   Case "写入DAC"  ObjRegRight = RegistryRights.WriteKey  Case "写入所有者"  ObjRegRight = RegistryRights.TakeOwnership  Case "读取控制"  ObjRegRight = RegistryRights.ReadPermissions  End Select

而每个细分权限 又分"允许"和"拒绝"两种访问控制类型

Select Case ComboBox2.Text  Case "允许"  ObjRegAccess = AccessControlType.Allow  Case "拒绝"  ObjRegAccess = AccessControlType.Deny  End Select

以下为增加注册表键权限的函数

以下两函数中 Account代表系统nt帐户 Rights和ControlType分别为上文提及的权限类型和访问控制类型

Private Sub AddRegistrySecurity(ByVal Str_FileName As String, ByVal Account As String, ByVal Rights As RegistryRights, ByVal ControlType As AccessControlType)  Dim RegKey As RegistryRegistryKey = Registry.CurrentUser.CreateSubKey("此处填写具体键地址")  Dim RegkeyAcl As RegistrySecurity = RegKey.GetAccessControl()  Dim AccessRule As RegistryAccessRule = New RegistryAccessRule(Account, Rights, ControlType)  RegkeyAcl.AddAccessRule(AccessRule)  RegKey.SetAccessControl(RegkeyAcl)  RegKey.Close()  End Sub

以下为移除注册表键权限的函数

Private Sub RemoveRegistrySecurity(ByVal Str_FileName As String, ByVal Account As String, ByVal Rights As RegistryRights, ByVal ControlType As AccessControlType)  Dim RegKey As RegistryRegistryKey = Registry.CurrentUser.CreateSubKey("此处填写具体键地址")  Dim RegkeyAcl As RegistrySecurity = RegKey.GetAccessControl()  Dim AccessRule As RegistryAccessRule = New RegistryAccessRule(Account, Rights, ControlType)  RegkeyAcl.RemoveAccessRule(AccessRule)  RegKey.SetAccessControl(RegkeyAcl)  RegKey.Close()  End Sub

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