WinLib.Forms.LoadingForm.UpdateStatus C# (CSharp) Method

        public void UpdateStatus(string status)
        {
            Invoke(new Action(() => { label1.Text = status; }));
        }

 private void buttonApply_Click(object sender, EventArgs e)
 {
     if (!ValidateConfigs())
         return;
     // validation passed; starting configuring
     Hide();
     GadgetForm.AutoRefreshAllowed = false;
     splash = LoadingForm.Create("Configuring interface \"" + nic.Name + "\" ...");
     // XP sets gateway metric along with interface metric, if gwmetric is auto, so we do this first
     if (interfaceMetric.Text != nic.InterfaceMetric.ToString())
         nic.SetInterfaceMetric(interfaceMetric.Text);
     if (nic.IPv4Enabled)
     {
         if (dhcpIPEnabled.Checked || ipv4Address.Count == 0)
             nic.SetDhcp(1 + Convert.ToInt32(dhcpDnsEnabled.Checked || ipv4Dns.Count == 0));
         else
         {
             if (nic.Dhcpv4Enabled > 0)
                 nic.SetIPv4Address(ipv4Address[0].Address, ipv4Address[0].Subnet);
             if (ipv4Address.Count > 0)
             {
                 foreach (NetworkInterface.IPHostAddress ip in ipv4Address)
                 {
                     if (nic.IPv4Address.Find((i) => i.Address == ip.Address) != null &&
                         nic.IPv4Address.Find((i) => i.Address == ip.Address).Subnet == ip.Subnet &&
                         nic.Dhcpv4Enabled == 0)
                         continue;
                     if (nic.IPv4Address.Find((i) => i.Address == ip.Address) != null ||
                         nic.Dhcpv4Enabled > 0)
                         nic.DeleteIPv4Address(ip.Address, ip.Subnet);
                     nic.AddIPv4Address(ip.Address, ip.Subnet);
                 }
                 foreach (NetworkInterface.IPHostAddress ip in nic.IPv4Address)
                     if (ipv4Address.Find((i) => i.Address == ip.Address) == null)
                         nic.DeleteIPv4Address(ip.Address, ip.Subnet);
                 foreach (NetworkInterface.IPGatewayAddress ip in ipv4Gateway)
                 {
                     if (nic.IPv4Gateway.Find((i) => i.Address == ip.Address) != null &&
                         nic.IPv4Gateway.Find((i) => i.Address == ip.Address).GatewayMetric == ip.GatewayMetric &&
                         nic.Dhcpv4Enabled == 0)
                         continue;
                     if (nic.IPv4Gateway.Find((i) => i.Address == ip.Address) != null ||
                         nic.Dhcpv4Enabled > 0)
                         nic.DeleteIPv4Gateway(ip.Address);
                     nic.AddIPv4Gateway(ip.Address, ip.GatewayMetric.ToString());
                 }
                 foreach (NetworkInterface.IPGatewayAddress ip in nic.IPv4Gateway)
                     if (ipv4Gateway.Find((i) => i.Address == ip.Address) == null)
                         nic.DeleteIPv4Gateway(ip.Address);
             }
         }
         foreach (string dns in ipv4Dns)
         {
             if (nic.IPv4DnsServer.Contains(dns) && nic.Dhcpv4Enabled < NetworkInterface.Dhcp.IPnDns)
                 continue;
             nic.AddIPv4DnsServer(dns);
         }
         foreach (string dns in nic.IPv4DnsServer)
             if (!ipv4Dns.Contains(dns))
                 nic.DeleteIPv4DnsServer(dns);
         if (netbiosEnabled.Checked == false && nic.NetbiosEnabled != NetworkInterface.Netbios.Disabled)
             nic.SetNetBios(false);
         if (netbiosEnabled.Checked && nic.NetbiosEnabled == NetworkInterface.Netbios.Disabled)
             nic.SetNetBios(true);
         if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1)
             if (ipv4Mtu.Text != nic.IPv4Mtu)
                 nic.SetIPv4Mtu(ipv4Mtu.Text);
     }
     if (nic.IPv6Enabled)
     {
         foreach (NetworkInterface.IPHostAddress ip in ipv6Address)
         {
             if (nic.IPv6Address.Contains(ip.Address, ip.Subnet))
                 continue;
             nic.AddIPv6Address(ip.Address, ip.Subnet);
         }
         foreach (NetworkInterface.IPHostAddress ip in nic.IPv6Address.All)
             if (ipv6Address.Find((i) => i.Address == ip.Address) == null)
                 nic.DeleteIPv6Address(ip.Address);
         foreach (NetworkInterface.IPGatewayAddress ip in ipv6Gateway)
         {
             if (nic.IPv6Gateway.Contains(new NetworkInterface.IPGatewayAddress(ip.Address, ip.GatewayMetric)))
                 continue;
             nic.AddIPv6Gateway(ip.Address, ip.GatewayMetric.ToString());
         }
         foreach (NetworkInterface.IPGatewayAddress ip in nic.IPv6Gateway)
             if (ipv6Gateway.Find((i) => i.Address == ip.Address) == null)
                 nic.DeleteIPv6Gateway(ip.Address);
         foreach (string ip in ipv6Dns)
         {
             if (nic.IPv6DnsServer.Contains(ip))
                 continue;
             nic.AddIPv6DnsServer(ip);
         }
         foreach (string ip in nic.IPv6DnsServer)
             if (!ipv6Dns.Contains(ip))
                 nic.DeleteIPv6DnsServer(ip);
         if (routerDiscoveryEnabled.Checked != nic.IPv6RouterDiscoveryEnabled)
             nic.SetRouterDiscovery(routerDiscoveryEnabled.Checked);
         if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1)
             if (ipv6Mtu.Text != nic.IPv6Mtu)
                 nic.SetIPv6Mtu(ipv6Mtu.Text);
     }
     splash.UpdateStatus("Waiting for changes to be applied ...");
     timer.AutoReset = false;
     timer.Interval = 10000;
     timer.Elapsed += timer_Elapsed;
     timer.Start();
     System.Net.NetworkInformation.NetworkChange.NetworkAddressChanged += NetworkChange_NetworkAddressChanged;
     System.Net.NetworkInformation.NetworkChange.NetworkAvailabilityChanged += NetworkChange_NetworkAvailabilityChanged;
 }