public void Flush()
{
try
{
if (fileStream != null && !this.IsClosed && isModified)
{
stream.Flush();
byte[] bytes = stream.ToArray();
fileStream.Seek(0);
var streamTemp = fileStream.AsStream();
streamTemp.Write(bytes, 0, bytes.Length);
streamTemp.Flush();
fileStream.FlushAsync().AsTask().Wait();
isModified = false;
}
}
catch (FileNotFoundException ex)//did not found a better way to check if file exists
{
}
}
public static StreamWriter AppendText(string path, Encoding encoding)
{
try
{
IAsyncOperation <StorageFile> fileAsync = FileHelper.GetFolderForPathOrURI(path).CreateFileAsync(Path.GetFileName(path), CreationCollisionOption.OpenIfExists);
WindowsRuntimeSystemExtensions.AsTask <StorageFile>(fileAsync).Wait();
IAsyncOperation <IRandomAccessStream> source = fileAsync.GetResults().OpenAsync(FileAccessMode.ReadWrite);
WindowsRuntimeSystemExtensions.AsTask <IRandomAccessStream>(source).Wait();
FileRandomAccessStream randomAccessStream = (FileRandomAccessStream)source.GetResults();
randomAccessStream.Seek(randomAccessStream.Size);
return(encoding == null ? new StreamWriter(WindowsRuntimeStreamExtensions.AsStream((IRandomAccessStream)randomAccessStream)) : new StreamWriter(WindowsRuntimeStreamExtensions.AsStream((IRandomAccessStream)randomAccessStream), encoding));
}
catch (Exception ex)
{
throw File.GetRethrowException(ex);
}
}