Opc.Ua.Configuration.MainForm.SelectCertificateToTrustBTN_Click C# (CSharp) Method

        private void SelectCertificateToTrustBTN_Click(object sender, EventArgs e)
        {
            try
            {
                const string caption = "Select Certificate to Trust";

                ManagedApplication application = ManageApplicationSecurityCTRL.GetSelectedApplication();

                if (application == null)
                {
                    return;
                }

                if (application.TrustList == null)
                {
                    MessageBox.Show(application.ToString() + " does not have a trust list defined.", caption, MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }

                if (m_currentStore == null)
                {
                    m_currentStore = new CertificateStoreIdentifier();
                    m_currentStore.StoreType = Utils.DefaultStoreType;
                    m_currentStore.StorePath = Utils.DefaultStorePath;
                }

                CertificateIdentifier id = new CertificateListDlg().ShowDialog(m_currentStore, true);

                if (id == null)
                {
                    return;
                }

                m_currentStore.StoreType = id.StoreType;
                m_currentStore.StorePath = id.StorePath;

                X509Certificate2 certificate = id.Find();

                if (certificate == null)
                {
                    return;
                }

                ICertificateStore store = application.TrustList.OpenStore();

                try
                {
                    if (store.FindByThumbprint(certificate.Thumbprint) == null)
                    {
                        store.Add(new X509Certificate2(certificate.RawData));
                    }
                }
                finally
                {
                    store.Close();
                }

                MessageBox.Show(
                    this,
                    certificate.Subject + " now trusted.",
                    caption,
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Information);
            }
            catch (Exception exception)
            {
                GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
            }
        }