Create registry access rules and adds them to a RegistrySecurity : RegistrySecurity « Security « VB.Net Tutorial

1. VB.Net Tutorial
2. Security
3. RegistrySecurity

Imports System
Imports Microsoft.Win32
Imports System.Security.AccessControl
Imports System.Security.Principal

Public Class Example

    Public Shared Sub Main()
        Dim user As String = Environment.UserDomainName & "\" & Environment.UserName

        Dim mSec As New RegistrySecurity()

        Dim rule As New RegistryAccessRule(user,RegistryRights.ReadKey,AccessControlType.Allow)
        mSec.AddAccessRule(rule)

        rule = New RegistryAccessRule(user,RegistryRights.ChangePermissions,AccessControlType.Deny)
        mSec.AddAccessRule(rule)

        ShowSecurity(mSec)

        rule = New RegistryAccessRule(user,RegistryRights.WriteKey,AccessControlType.Allow)
        mSec.AddAccessRule(rule)

        ShowSecurity(mSec)

    End Sub 

    Private Shared Sub ShowSecurity(ByVal security As RegistrySecurity)
        Console.WriteLine(vbCrLf & "Current access rules:" & vbCrLf)

        For Each ar As RegistryAccessRule In security.GetAccessRules(True, True, GetType(NTAccount))
            Console.WriteLine("User: {0}", ar.IdentityReference)
            Console.WriteLine("Type: {0}", ar.AccessControlType)
            Console.WriteLine("Rights: {0}", ar.RegistryRights)
        Next
    End Sub
End Class