private async Task RecreateDownloadAsync()//有未完成的任务,重新创建 { var xmlList = DownloadXmlHelper.GetCurrentDownloads(); if (xmlList.Count < 1) { return; } foreach (var xml in xmlList) { try { var download = await BiliDashDownload .RecreateAsync(xml, ApplicationData.Current.LocalSettings.Values["biliUserSESSDATA"] as string); this.activeDownloadList.Add(download); } catch (Exception ex) { var dialog = new ExceptionDialog(ex.Message, XamlRoot); await dialog.ShowAsync(); } } }
private async Task CheckDownloadAsync()//检查一下未完成的任务 { if (DownloadXmlHelper.CheckXml() == false) { return; //不存在xml,直接返回 } await RecreateDownloadAsync(); var tasks = new List <Task>(); foreach (var download in activeDownloadList) { tasks.Add(download.RestartAsync()); } await Task.WhenAll(tasks); }