關於 c# taskrun ，我們在網路上蒐集到這些相關的討論、資訊與評價

Async 在C# 語言中用來支援非同步處理的一種語法，而它的使用往往搭配Await 一起使用，先來看看一段簡單的程式碼1234567891011121. ... <看更多>

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C# 初探async 與await. /// ref→ http://relycoding.blogspot.tw/2016/09/c-async-await.html. /// Task.WhenAll Method (IEnumerable<Task>). ... <看更多>

This tutorial is the 2nd part in a video series on asynchronous programming using the C# programming ... ... <看更多>

Les exemples de code suivants, qui utilisent la bibliothèque cliente des API Google pour .NET, sont disponibles pour YouTube Data API. Vous pouvez télécharger ces exemples de code à partir du dossier dotnet du dépôt d'exemples de code des API YouTube sur GitHub.

L'exemple de code suivant appelle la méthode playlists.insert de l'API pour créer une playlist privée.
appartenant à la chaîne autorisant la demande.

using System;
 using System.IO;
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;using Google.Apis.Auth.OAuth2;
 using Google.Apis.Services;
 using Google.Apis.Upload;
 using Google.Apis.Util.Store;
 using Google.Apis.YouTube.v3;
 using Google.Apis.YouTube.v3.Data;namespace Google.Apis.YouTube.Samples
 {
   /// <summary>
   /// YouTube Data API v3 sample: create a playlist.
   /// Relies on the Google APIs Client Library for .NET, v1.7.0 or higher.
   /// See https://developers.google.com/api-client-library/dotnet/get_started
   /// </summary>
   internal class PlaylistUpdates
   {
     [STAThread]
     static void Main(string[] args)
     {
       Console.WriteLine("YouTube Data API: Playlist Updates");
       Console.WriteLine("==================================");      try
       {
         new PlaylistUpdates().Run().Wait();
       }
       catch (AggregateException ex)
       {
         foreach (var e in ex.InnerExceptions)
         {
           Console.WriteLine("Error: " + e.Message);
         }
       }      Console.WriteLine("Press any key to continue...");
       Console.ReadKey();
     }    private async Task Run()
     {
       UserCredential credential;
       using (var stream = new FileStream("client_secrets.json", FileMode.Open, FileAccess.Read))
       {
         credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
             GoogleClientSecrets.Load(stream).Secrets,
             // This OAuth 2.0 access scope allows for full read/write access to the
             // authenticated user's account.
             new[] { YouTubeService.Scope.Youtube },
             "user",
             CancellationToken.None,
             new FileDataStore(this.GetType().ToString())
         );
       }      var youtubeService = new YouTubeService(new BaseClientService.Initializer()
       {
         HttpClientInitializer = credential,
         ApplicationName = this.GetType().ToString()
       });      // Create a new, private playlist in the authorized user's channel.
       var newPlaylist = new Playlist();
       newPlaylist.Snippet = new PlaylistSnippet();
       newPlaylist.Snippet.Title = "Test Playlist";
       newPlaylist.Snippet.Description = "A playlist created with the YouTube API v3";
       newPlaylist.Status = new PlaylistStatus();
       newPlaylist.Status.PrivacyStatus = "public";
       newPlaylist = await youtubeService.Playlists.Insert(newPlaylist, "snippet,status").ExecuteAsync();      // Add a video to the newly created playlist.
       var newPlaylistItem = new PlaylistItem();
       newPlaylistItem.Snippet = new PlaylistItemSnippet();
       newPlaylistItem.Snippet.PlaylistId = newPlaylist.Id;
       newPlaylistItem.Snippet.ResourceId = new ResourceId();
       newPlaylistItem.Snippet.ResourceId.Kind = "youtube#video";
       newPlaylistItem.Snippet.ResourceId.VideoId = "GNRMeaz6QRI";
       newPlaylistItem = await youtubeService.PlaylistItems.Insert(newPlaylistItem, "snippet").ExecuteAsync();      Console.WriteLine("Playlist item id {0} was added to playlist id {1}.", newPlaylistItem.Id, newPlaylist.Id);
     }
   }
 }
 
PlaylistUpdates.cs

L'exemple de code suivant appelle la méthode playlistItems.list de l'API pour récupérer une liste de vidéos
mis en ligne sur la chaîne associée à la demande. Le code appelle également la méthode channels.list avec
Paramètre mine défini sur true pour récupérer l'ID de playlist qui identifie le contenu mis en ligne sur la chaîne
vidéos.

using System;
 using System.IO;
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;using Google.Apis.Auth.OAuth2;
 using Google.Apis.Services;
 using Google.Apis.Upload;
 using Google.Apis.Util.Store;
 using Google.Apis.YouTube.v3;
 using Google.Apis.YouTube.v3.Data;namespace Google.Apis.YouTube.Samples
 {
   /// <summary>
   /// YouTube Data API v3 sample: retrieve my uploads.
   /// Relies on the Google APIs Client Library for .NET, v1.7.0 or higher.
   /// See https://developers.google.com/api-client-library/dotnet/get_started
   /// </summary>
   internal class MyUploads
   {
     [STAThread]
     static void Main(string[] args)
     {
       Console.WriteLine("YouTube Data API: My Uploads");
       Console.WriteLine("============================");      try
       {
         new MyUploads().Run().Wait();
       }
       catch (AggregateException ex)
       {
         foreach (var e in ex.InnerExceptions)
         {
           Console.WriteLine("Error: " + e.Message);
         }
       }      Console.WriteLine("Press any key to continue...");
       Console.ReadKey();
     }    private async Task Run()
     {
       UserCredential credential;
       using (var stream = new FileStream("client_secrets.json", FileMode.Open, FileAccess.Read))
       {
         credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
             GoogleClientSecrets.Load(stream).Secrets,
             // This OAuth 2.0 access scope allows for read-only access to the authenticated 
             // user's account, but not other types of account access.
             new[] { YouTubeService.Scope.YoutubeReadonly },
             "user",
             CancellationToken.None,
             new FileDataStore(this.GetType().ToString())
         );
       }      var youtubeService = new YouTubeService(new BaseClientService.Initializer()
       {
         HttpClientInitializer = credential,
         ApplicationName = this.GetType().ToString()
       });      var channelsListRequest = youtubeService.Channels.List("contentDetails");
       channelsListRequest.Mine = true;      // Retrieve the contentDetails part of the channel resource for the authenticated user's channel.
       var channelsListResponse = await channelsListRequest.ExecuteAsync();      foreach (var channel in channelsListResponse.Items)
       {
         // From the API response, extract the playlist ID that identifies the list
         // of videos uploaded to the authenticated user's channel.
         var uploadsListId = channel.ContentDetails.RelatedPlaylists.Uploads;        Console.WriteLine("Videos in list {0}", uploadsListId);        var nextPageToken = "";
         while (nextPageToken != null)
         {
           var playlistItemsListRequest = youtubeService.PlaylistItems.List("snippet");
           playlistItemsListRequest.PlaylistId = uploadsListId;
           playlistItemsListRequest.MaxResults = 50;
           playlistItemsListRequest.PageToken = nextPageToken;          // Retrieve the list of videos uploaded to the authenticated user's channel.
           var playlistItemsListResponse = await playlistItemsListRequest.ExecuteAsync();          foreach (var playlistItem in playlistItemsListResponse.Items)
           {
             // Print information about each video.
             Console.WriteLine("{0} ({1})", playlistItem.Snippet.Title, playlistItem.Snippet.ResourceId.VideoId);
           }          nextPageToken = playlistItemsListResponse.NextPageToken;
         }
       }
     }
   }
 }
 
MyUploads.cs

L'exemple de code suivant appelle la méthode search.list de l'API pour récupérer les résultats de recherche
associée à un mot clé particulier.

using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;using Google.Apis.Auth.OAuth2;
 using Google.Apis.Services;
 using Google.Apis.Upload;
 using Google.Apis.Util.Store;
 using Google.Apis.YouTube.v3;
 using Google.Apis.YouTube.v3.Data;namespace Google.Apis.YouTube.Samples
 {
   /// <summary>
   /// YouTube Data API v3 sample: search by keyword.
   /// Relies on the Google APIs Client Library for .NET, v1.7.0 or higher.
   /// See https://developers.google.com/api-client-library/dotnet/get_started
   ///
   /// Set ApiKey to the API key value from the APIs & auth > Registered apps tab of
   ///   https://cloud.google.com/console
   /// Please ensure that you have enabled the YouTube Data API for your project.
   /// </summary>
   internal class Search
   {
     [STAThread]
     static void Main(string[] args)
     {
       Console.WriteLine("YouTube Data API: Search");
       Console.WriteLine("========================");      try
       {
         new Search().Run().Wait();
       }
       catch (AggregateException ex)
       {
         foreach (var e in ex.InnerExceptions)
         {
           Console.WriteLine("Error: " + e.Message);
         }
       }      Console.WriteLine("Press any key to continue...");
       Console.ReadKey();
     }    private async Task Run()
     {
       var youtubeService = new YouTubeService(new BaseClientService.Initializer()
       {
         ApiKey = "REPLACE_ME",
         ApplicationName = this.GetType().ToString()
       });      var searchListRequest = youtubeService.Search.List("snippet");
       searchListRequest.Q = "Google"; // Replace with your search term.
       searchListRequest.MaxResults = 50;      // Call the search.list method to retrieve results matching the specified query term.
       var searchListResponse = await searchListRequest.ExecuteAsync();      List<string> videos = new List<string>();
       List<string> channels = new List<string>();
       List<string> playlists = new List<string>();      // Add each result to the appropriate list, and then display the lists of
       // matching videos, channels, and playlists.
       foreach (var searchResult in searchListResponse.Items)
       {
         switch (searchResult.Id.Kind)
         {
           case "youtube#video":
             videos.Add(String.Format("{0} ({1})", searchResult.Snippet.Title, searchResult.Id.VideoId));
             break;          case "youtube#channel":
             channels.Add(String.Format("{0} ({1})", searchResult.Snippet.Title, searchResult.Id.ChannelId));
             break;          case "youtube#playlist":
             playlists.Add(String.Format("{0} ({1})", searchResult.Snippet.Title, searchResult.Id.PlaylistId));
             break;
         }
       }      Console.WriteLine(String.Format("Videos:\n{0}\n", string.Join("\n", videos)));
       Console.WriteLine(String.Format("Channels:\n{0}\n", string.Join("\n", channels)));
       Console.WriteLine(String.Format("Playlists:\n{0}\n", string.Join("\n", playlists)));
     }
   }
 }
 
Search.cs

L'exemple de code suivant appelle la méthode videos.insert de l'API pour mettre en ligne une vidéo sur la chaîne.
associées à la demande.

using System;
 using System.IO;
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;using Google.Apis.Auth.OAuth2;
 using Google.Apis.Services;
 using Google.Apis.Upload;
 using Google.Apis.Util.Store;
 using Google.Apis.YouTube.v3;
 using Google.Apis.YouTube.v3.Data;namespace Google.Apis.YouTube.Samples
 {
   /// <summary>
   /// YouTube Data API v3 sample: upload a video.
   /// Relies on the Google APIs Client Library for .NET, v1.7.0 or higher.
   /// See https://developers.google.com/api-client-library/dotnet/get_started
   /// </summary>
   internal class UploadVideo
   {
     [STAThread]
     static void Main(string[] args)
     {
       Console.WriteLine("YouTube Data API: Upload Video");
       Console.WriteLine("==============================");      try
       {
         new UploadVideo().Run().Wait();
       }
       catch (AggregateException ex)
       {
         foreach (var e in ex.InnerExceptions)
         {
           Console.WriteLine("Error: " + e.Message);
         }
       }      Console.WriteLine("Press any key to continue...");
       Console.ReadKey();
     }    private async Task Run()
     {
       UserCredential credential;
       using (var stream = new FileStream("client_secrets.json", FileMode.Open, FileAccess.Read))
       {
         credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
             GoogleClientSecrets.Load(stream).Secrets,
             // This OAuth 2.0 access scope allows an application to upload files to the
             // authenticated user's YouTube channel, but doesn't allow other types of access.
             new[] { YouTubeService.Scope.YoutubeUpload },
             "user",
             CancellationToken.None
         );
       }      var youtubeService = new YouTubeService(new BaseClientService.Initializer()
       {
         HttpClientInitializer = credential,
         ApplicationName = Assembly.GetExecutingAssembly().GetName().Name
       });      var video = new Video();
       video.Snippet = new VideoSnippet();
       video.Snippet.Title = "Default Video Title";
       video.Snippet.Description = "Default Video Description";
       video.Snippet.Tags = new string[] { "tag1", "tag2" };
       video.Snippet.CategoryId = "22"; // See https://developers.google.com/youtube/v3/docs/videoCategories/list
       video.Status = new VideoStatus();
       video.Status.PrivacyStatus = "unlisted"; // or "private" or "public"
       var filePath = @"REPLACE_ME.mp4"; // Replace with path to actual movie file.      using (var fileStream = new FileStream(filePath, FileMode.Open))
       {
         var videosInsertRequest = youtubeService.Videos.Insert(video, "snippet,status", fileStream, "video/*");
         videosInsertRequest.ProgressChanged += videosInsertRequest_ProgressChanged;
         videosInsertRequest.ResponseReceived += videosInsertRequest_ResponseReceived;        await videosInsertRequest.UploadAsync();
       }
     }    void videosInsertRequest_ProgressChanged(Google.Apis.Upload.IUploadProgress progress)
     {
       switch (progress.Status)
       {
         case UploadStatus.Uploading:
           Console.WriteLine("{0} bytes sent.", progress.BytesSent);
           break;        case UploadStatus.Failed:
           Console.WriteLine("An error prevented the upload from completing.\n{0}", progress.Exception);
           break;
       }
     }    void videosInsertRequest_ResponseReceived(Video video)
     {
       Console.WriteLine("Video id '{0}' was successfully uploaded.", video.Id);
     }
   }
 }
 
UploadVideo.cs

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