private void btnToggleVirtualizationEnabled_Click(object sender, EventArgs e)
 {
     try
     {
         _token.SetVirtualizationEnabled(!_token.VirtualizationEnabled);
         txtVirtualizationEnabled.Text = _token.VirtualizationEnabled.ToString();
     }
     catch (NtException ex)
     {
         MessageBox.Show(this, ex.Message,
                         "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }