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這篇文章主要介紹了VB.NET中Array的問(wèn)題示例,具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
本實(shí)例需要項(xiàng)目引用:
Imports Microsoft.Win32 '用途 : 注冊(cè)表操作 Imports System.Security.AccessControl'用途 : 訪問(wèn)權(quán)限控制
首先,對(duì)注冊(cè)表的鍵增加權(quán)限,細(xì)分起來(lái)共有11種可選的權(quán)限類型,它們對(duì)應(yīng)的參數(shù)如下:
Select Case ComboBox1.Text Case "完全控制" ObjRegRight = RegistryRights.FullControl Case "查詢數(shù)值" ObjRegRight = RegistryRights.QueryValues Case "設(shè)置數(shù)值" ObjRegRight = RegistryRights.SetValue Case "創(chuàng)建子項(xiàng)" ObjRegRight = RegistryRights.CreateSubKey Case "枚舉子項(xiàng)" ObjRegRight = RegistryRights.EnumerateSubKeys Case "通知" ObjRegRight = RegistryRights.Notify Case "創(chuàng)建鏈接" ObjRegRight = RegistryRights.CreateLink Case "刪除" ObjRegRight = RegistryRights.Delete Case "寫(xiě)入DAC" ObjRegRight = RegistryRights.WriteKey Case "寫(xiě)入所有者" ObjRegRight = RegistryRights.TakeOwnership Case "讀取控制" ObjRegRight = RegistryRights.ReadPermissions End Select
而每個(gè)細(xì)分權(quán)限 又分"允許"和"拒絕"兩種訪問(wèn)控制類型
Select Case ComboBox2.Text Case "允許" ObjRegAccess = AccessControlType.Allow Case "拒絕" ObjRegAccess = AccessControlType.Deny End Select
以下為增加注冊(cè)表鍵權(quán)限的函數(shù)
以下兩函數(shù)中 Account代表系統(tǒng)nt帳戶 Rights和ControlType分別為上文提及的權(quán)限類型和訪問(wèn)控制類型
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("此處填寫(xiě)具體鍵地址") 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
以下為移除注冊(cè)表鍵權(quán)限的函數(shù)
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("此處填寫(xiě)具體鍵地址") 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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