private async Task LoadTextFromFileWithEncoding(FileSystemStorageFile File, Encoding Enco)
{
LoadingControl.IsLoading = true;
await Task.Delay(500);
try
{
using (FileStream Stream = await File.GetFileStreamFromFileAsync(AccessMode.Read))
using (StreamReader Reader = new StreamReader(Stream, Enco, false))
{
EditText.Text = await Reader.ReadToEndAsync();
}
}
catch (Exception ex)
{
LogTracer.Log(ex, "Could not load the content in file");
QueueContentDialog Dialog = new QueueContentDialog
{
Title = Globalization.GetString("Common_Dialog_ErrorTitle"),
Content = Globalization.GetString("QueueDialog_CouldReadWriteFile_Content"),
CloseButtonText = Globalization.GetString("Common_Dialog_CloseButton")
};
await Dialog.ShowAsync();
}
await Task.Delay(500);
LoadingControl.IsLoading = false;
}
/// <summary>
/// 异步获取音乐封面
/// </summary>
/// <returns>艺术家名称</returns>
private async Task <BitmapImage> GetMusicCoverAsync()
{
try
{
using (FileStream FileStream = await MediaFile.GetFileStreamFromFileAsync(AccessMode.Read))
using (var TagFile = TagLib.File.Create(new StreamFileAbstraction(MediaFile.Name, FileStream, FileStream)))
{
if (TagFile.Tag.Pictures != null && TagFile.Tag.Pictures.Length != 0)
{
byte[] ImageData = TagFile.Tag.Pictures[0].Data.Data;
if (ImageData != null && ImageData.Length != 0)
{
using (MemoryStream ImageStream = new MemoryStream(ImageData))
{
BitmapImage Bitmap = new BitmapImage
{
DecodePixelHeight = 250,
DecodePixelWidth = 250
};
await Bitmap.SetSourceAsync(ImageStream.AsRandomAccessStream());
return(Bitmap);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
}
catch
{
return(null);
}
}
private async Task <Encoding> DetectEncodingFromFileAsync()
{
try
{
using (FileStream DetectStream = await TextFile.GetFileStreamFromFileAsync(AccessMode.Read).ConfigureAwait(true))
{
return(await Task.Run(() =>
{
using (StreamReader Reader = new StreamReader(DetectStream, Encoding.Default, true))
{
Reader.Read();
return Reader.CurrentEncoding;
}
}));
}
}
catch (Exception ex)
{
LogTracer.Log(ex, "Could not detect the encoding of file");
return(null);
}
}
