How to Change Permission of Folder in Visual Basic / C#

VB.NET Set Folder Permission / C# 
Set Folder Permission 
Allow/Deny

In this snippet we create a new directory and set the permission of it to Fullcontrol using ACL.

 VB code
 Private Shared Sub ChangePermissionOfDir()
        'Folder
        Dim NewDirectory As DirectoryInfo = Directory.CreateDirectory("C:\Test001")

        Dim dSecurity As DirectorySecurity = NewDirectory.GetAccessControl()

        Dim fAccess As New FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Deny)

        dSecurity.AddAccessRule(fAccess)

        NewDirectory.SetAccessControl(dSecurity)
 
    End Sub
 
 C# code
private static void ChangePermissionOfDir()
{
    //Folder
    DirectoryInfo NewDirectory = Directory.CreateDirectory("C:\\Test001");
 
    DirectorySecurity dSecurity = NewDirectory.GetAccessControl();

    FileSystemAccessRule fAccess = new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Deny);

    dSecurity.AddAccessRule(fAccess);

    NewDirectory.SetAccessControl(dSecurity);
}