public async void HandleEvent(CheckUpdateEventData eventData) { try { using (var client = new HttpMethodUtils()) { var result = await client.GetAsync <UpdateModel>(@"http://api.myzony.com/api/VersionCheck/CheckVersion"); if (result == null) { return; } var newVersion = new Version(result.Version); var currentVersion = Assembly.GetExecutingAssembly().GetName().Version; string BuildMessageText() { StringBuilder builder = new StringBuilder(); builder.Append("发现新版本,是否更新?").Append("\r\n"); builder.Append("更新信息:").Append("\r\n"); builder.Append(result.UpdateDescription.Replace("|", "\r\n")); return(builder.ToString()); } if (newVersion > currentVersion) { if (MessageBox.Show(caption: "更新提示", text: BuildMessageText(), icon: MessageBoxIcon.Information, buttons: MessageBoxButtons.OKCancel) == DialogResult.OK) { Process.Start(result.Url); } } } } catch (Exception) { // ignored } }