how to unblock specific usb port
<p>I have block all usb through this code. It will block all usb port.</p>

<pre><code>        RegistryKey key = Registry.LocalMachine.OpenSubKey
            ("SYSTEM\\CurrentControlSet\\Services\\UsbStor",true);
        if (key != null)
        {
            key.SetValue("Start", 4, RegistryValueKind.DWord);
        }
        key.Close();
</code></pre>

<p>and unblock with this code.but it unblock all usb port. </p>

<pre><code>RegistryKey key = Registry.LocalMachine.OpenSubKey
            ("SYSTEM\\CurrentControlSet\\Services\\UsbStor", true);
        if (key != null)
        {
            key.SetValue("Start", 3, RegistryValueKind.DWord);
        }
        key.Close();
</code></pre>

<p>My problem is to unblock only specific usb port. How we unblock only one usb port.</p>

<p>Please help me. </p>

<p>Thanks in advance.</p>
