This function renews the license code by the renewal response certificate.  
Syntax
public static ClientRenewalResponseCode UseRenewalResponseCertificate(string filePathName) 
Parameters
string filePathName - response certificate path.
Return value
Returns status of operation via ClientRenewalResponseCode enum. 
Requirements
File: ItpLibraryNetWrapper.cs
Namespace: ItpLibraryNetClient;
Example
private void btnUseCertificate_Click(object sender, EventArgs e)
{
    using (OpenFileDialog openFileDialog = FileDialogs.CreateOpenFileDialog())
    {
        if (openFileDialog.ShowDialog() != DialogResult.OK)
            return;
 
        ClientRenewalResponseCode responseCode = ItpLibraryNetWrapper.UseRenewalResponseCertificate(openFileDialog.FileName);
        _responseCode = responseCode;
 
        MessageBox.Show(responseCode.ToString(), Text);
    }
 
    UpdateRenewalStatus();
}