CNCMaps.GUI.MainForm.PerformUpdateCheck C# (CSharp) Метод

        private void PerformUpdateCheck()
        {
            var uc = new UpdateChecker();
            uc.AlreadyLatest += (o, e) => UpdateStatus("already latest version", 100);
            uc.Connected += (o, e) => UpdateStatus("connected", 10);
            uc.DownloadProgressChanged += (o, e) => { /* care, xml is small anyway */ };
            uc.UpdateCheckFailed += (o, e) => UpdateStatus("update check failed", 100);
            uc.UpdateAvailable += (o, e) => {
                UpdateStatus("update available", 100);

                var dr =
                    MessageBox.Show(
                        string.Format(
                            "An update to version {0} released on {1} is available. Release notes: \r\n\r\n{2}\r\n\r\nUpdate now?",
                            e.Version.ToString(), e.ReleaseDate.ToShortDateString(), e.ReleaseNotes), "Update available",
                        MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                if (dr == DialogResult.Yes)
                    DownloadAndUpdate(e.DownloadUrl);
            };
            uc.CheckVersion();
        }