public BufferedTextFileReader(FileProcessingProvider processor, string path)
{
var fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
var bs = new BufferedStream(fs);
sr = new StreamReader(bs);
this._processor = processor;
}
private void ReadFileHandler()
{
ReadText = "Reading... " + (_counter++) + Environment.NewLine;
var provider = new FileProcessingProvider();
var processor = new CustomFileProcessor();
processor.Subscribe(provider);
var progress = new Progress<BufferedTextFileReaderArgs>();
Debug.WriteLine("Add Progress Handler: " + Thread.CurrentThread.ManagedThreadId);
progress.ProgressChanged += OnProgressChanged;
ReadFileAsync(progress, provider).ContinueWith(antecedent =>
{
Debug.WriteLine("Continue With: " + Thread.CurrentThread.ManagedThreadId);
DispatcherHelper.CheckBeginInvokeOnUI(
() =>
{
Debug.WriteLine("Remove Progress Handler: " + Thread.CurrentThread.ManagedThreadId);
progress.ProgressChanged -= OnProgressChanged;
});
});
}
public async Task ReadFileAsync(IProgress<BufferedTextFileReaderArgs> progress, FileProcessingProvider provider)
{
using (var fr = new BufferedTextFileReader(provider, FileName??@"c:\Temp\trTask_InsertUpdate.sql"))
{
await fr.ReadLineAsync(progress);
}
}
