private async void BtnClick_MinecraftDownload(object sender, RoutedEventArgs e)
        {
            Btn_MinecraftDownload.IsEnabled = false;
            using (HttpClient client = new HttpClient())
            {
                try
                {
                    MinecraftVersion ver = VersionsList.SelectedItem as MinecraftVersion;
                    if (ver == null)
                    {
                        return;
                    }
                    string json = await client.GetStringAsync(ver.url);

                    string      t    = ver.GetJsonPath();
                    StorageFile file = await CoreManager.WorkDir.CreateFileAsync(ver.GetJsonPath(), CreationCollisionOption.ReplaceExisting);

                    await FileIO.WriteTextAsync(file, json);

                    ValueSet valueSet = new ValueSet();
                    valueSet["type"]    = "version-url";
                    valueSet["version"] = ver.id;

                    AppServiceResponse response = await AppServiceManager.appServiceConnection.SendMessageAsync(valueSet);

                    string url = response.Message["client"]?.ToString();
                    if (!string.IsNullOrWhiteSpace(url))
                    {
                        DownloadItem item = new DownloadItem("Minecraft" + ver.id, ver.GetJarPath(), url);
                        DownloadManager.DownloadQuene.Add(item);
                        DownloadManager.StartDownload();
                        ViewModel.isPaneOpen = true;
                    }
                }
                catch (HttpRequestException exp)
                {
                    await dialog.Show(CoreManager.GetStringFromResource("/DownloadPage/DownloadFailed"), exp.Message + exp.StackTrace);
                }
                catch (IOException exp)
                {
                    await dialog.Show(CoreManager.GetStringFromResource("/DownloadPage/DownloadFailed"), exp.Message + exp.StackTrace);
                }
                finally
                {
                    Btn_MinecraftDownload.IsEnabled = true;
                }
            }
        }
Exemple #2
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        private async void Button_Click(object sender, RoutedEventArgs e)
        {
            MinecraftVersion version = _verList.SelectedItem as MinecraftVersion;

            if (version == null)
            {
                return;
            }

            ViewModel.isWorking = true;

            try
            {
                string jsonPath = CoreManager.CoreMCL.Core.GameRootPath + "\\" + version.GetJsonPath();
                using (HttpClient client = new HttpClient())
                {
                    FileInfo file = new FileInfo(jsonPath);
                    if (!file.Directory.Exists)
                    {
                        file.Directory.Create();
                    }
                    File.Create(jsonPath).Dispose();
                    File.WriteAllText(jsonPath, await client.GetStringAsync(version.url));

                    string jarPath;
                    KMCCC.Launcher.Version kver = CoreManager.CoreMCL.Core.GetVersion(version.id);
                    jarPath = CoreManager.CoreMCL.Core.GameRootPath + "\\" + version.GetJarPath();

                    file = new FileInfo(jarPath);
                    if (!file.Directory.Exists)
                    {
                        file.Directory.Create();
                    }
                    File.Create(jarPath);

                    HttpDownloader downloader         = new HttpDownloader(kver.Downloads.Client.Url, jarPath);
                    var            progressController = await MainWindow.Current.ShowProgressAsync("正在下载:  " + kver.Id, "", true, DefaultDialogSettings);

                    downloader.DownloadProgressChanged += async delegate
                    {
                        if (downloader.ProgressInPercent == 100)
                        {
                            await progressController.CloseAsync();
                        }
                        else
                        {
                            progressController.SetProgress(downloader.ProgressInPercent / 100);
                            progressController.SetMessage("下载速度: " + GetDownloadSpeedFriendlyText(downloader));
                        }
                    };
                    progressController.Canceled += delegate
                    {
                        if (downloader.State != DownloadState.Completed)
                        {
                            downloader.Cancel();
                        }
                    };
                    downloader.Start();
                }
            }
            catch (IOException ex)
            {
                await MainWindow.Current.ShowMessageAsync("下载失败", ex.Message + ex.StackTrace);
            }
            catch (HttpRequestException ex)
            {
                await MainWindow.Current.ShowMessageAsync("下载失败", ex.Message + ex.StackTrace);
            }

            ViewModel.isWorking = false;
        }