private async Task LoadFile(StorageFile file)
{
if (isCanceled)
{
return;
}
if (Utilities.IsSupportedFileType(file.FileType))
{
StorageItemContentProperties fileProperties = file.Properties;
MusicProperties musicProperties = await fileProperties.GetMusicPropertiesAsync();
IDictionary <string, object> artistProperties = await fileProperties.RetrievePropertiesAsync(RealMusicProperties);
object artists = null;
artistProperties.TryGetValue("System.Music.Artist", out artists);
string[] artistsAsArray = DebugHelper.CastAndAssert <string[]>(artists);
string artistName = string.Empty;
if (artistsAsArray != null && artistsAsArray.Length > 0)
{
artistName = artistsAsArray[0];
}
if (this.TrackScanned != null)
{
this.TrackScanned(this, new TrackScannedEventArgs(new StorageProviderSong(file.Path, musicProperties, artistName)));
}
}
}
private async Task <Dictionary <string, string> > GetProperties(StorageFile temporaryFile, CancellationToken cancellationToken)
{
StorageItemContentProperties properties = temporaryFile.Properties;
MusicProperties musicProperties = await properties.GetMusicPropertiesAsync();
VideoProperties videoProperties = await properties.GetVideoPropertiesAsync();
BasicProperties basicProperties = await temporaryFile.GetBasicPropertiesAsync();
CancelTask(cancellationToken);
Dictionary <string, string> tempDictionary = new Dictionary <string, string>();
tempDictionary["Display Name"] = temporaryFile.DisplayName;
tempDictionary["File Type"] = temporaryFile.FileType;
tempDictionary["Current Folder Path"] = temporaryFile.FolderRelativeId;
tempDictionary["Size"] = string.Format("{0:0.00}", (Convert.ToDouble(basicProperties.Size) / 1048576d)) + " Mb";
tempDictionary["Creation Date"] = temporaryFile.DateCreated.ToString();
tempDictionary["Modified Date"] = basicProperties.DateModified.ToString();
tempDictionary["Audio Bit Rate"] = musicProperties.Bitrate + " bps";
tempDictionary["Length"] = videoProperties.Duration.ToString("hh\\:mm\\:ss");
tempDictionary["Frame Width"] = videoProperties.Width + "";
tempDictionary["Frame Height"] = videoProperties.Height + "";
tempDictionary["Orientation"] = videoProperties.Orientation + "";
tempDictionary["Total Bit Rate"] = videoProperties.Bitrate + " bps";
CancelTask(cancellationToken);
return(tempDictionary);
}
private async void Rename(Tag mytag)
{
CurrentSong = SongList.SelectedItem as Song;
using (SQLiteConnection db = new SQLiteConnection(App.DB_PATH))
{
string import_name;
var temp_format_id = db.Find <MusicFormat>(c => c.Id == CurrentSong.FormatId);
import_name = CurrentSong.Path + CurrentSong.NameSong + "." + temp_format_id.NameFormat;
Main_folder = await Windows.Storage.AccessCache.StorageApplicationPermissions
.FutureAccessList.GetFolderAsync("Audio");
StorageFile music_files = await Main_folder.GetFileAsync(import_name);
var fileProperties = await music_files.Properties.GetMusicPropertiesAsync();
//*Нормально не изменяет артиста
StorageItemContentProperties rfileProperties = music_files.Properties;
MusicProperties musicFileProperties = await rfileProperties.GetMusicPropertiesAsync();
string[] contributingArtistsKey = { "System.Music.Artist" };
IDictionary <string, object> contributingArtistsProperty =
await musicFileProperties.RetrievePropertiesAsync(contributingArtistsKey);
string[] contributingArtists = contributingArtistsProperty["System.Music.Artist"] as string[];
//fileProperties.Genre = mytag.Genge; \\только для чтения
fileProperties.TrackNumber = Convert.ToUInt32(mytag.TrackNumber);
fileProperties.Album = mytag.Albom;
fileProperties.Artist = mytag.Artist;
//fileProperties.Composers = mytag.Composer; \\только для чтения
fileProperties.Title = mytag.NameSong;
fileProperties.Year = Convert.ToUInt32(mytag.Year);
fileProperties.AlbumArtist = mytag.ArtistAlbom;
//*Ошибка доступа для Флер
await fileProperties.SavePropertiesAsync();
var temp_song = db.Find <Song>(c => c.TagId == mytag.Id);
await Task.Run(() =>
{
temp_song.DateChange = DateTime.Now.AddHours(5);
Db_Helper.Update_Song(temp_song);
});
}
var dialog = new MessageDialog("Тег изменен");
await dialog.ShowAsync();
}
// 通过 StorageFolder.Properties 的 GetImagePropertiesAsync(), GetVideoPropertiesAsync(), GetMusicPropertiesAsync(), GetDocumentPropertiesAsync() 方法获取文件的属性
private async Task ShowProperties4(StorageFile storageFile)
{
StorageItemContentProperties storageItemContentProperties = storageFile.Properties;
ImageProperties imageProperties = await storageItemContentProperties.GetImagePropertiesAsync(); // 图片属性
VideoProperties videoProperties = await storageItemContentProperties.GetVideoPropertiesAsync(); // 视频属性
MusicProperties musicProperties = await storageItemContentProperties.GetMusicPropertiesAsync(); // 音频属性
DocumentProperties documentProperties = await storageItemContentProperties.GetDocumentPropertiesAsync(); // 文档属性
lblMsg.Text += "image width：" + imageProperties.Width;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "image height：" + imageProperties.Height;
lblMsg.Text += Environment.NewLine;
}
