void OnProgressChanged(object o, ProgressChangedEventArgs args)
{
ProgressReport report = (ProgressReport)args.UserState;
if (null == report) // Huh?
return;
_lastProgressReport = report;
int progress = (int)(((float)report.Processed / (float)report.TotalFiles) * 90);
pgbProgress.Value = progress + 10;
string missingReport;
if (report.FilesSkipped <= 0)
missingReport = String.Empty;
else
missingReport = String.Format(" ({0} not found)", report.FilesSkipped);
lblProgressText.Text =
String.Format("{0}/{1}{2}", report.Processed, report.TotalFiles, missingReport);
lblCurrentAction.Text = Path.GetFileName( report.CurrentFileName );
}
/// <summary>
/// Background file copy delegate
/// </summary>
void DoWork(object o, DoWorkEventArgs args)
{
List<Pair<String,String> > tasks = (List<Pair<String,String> >)args.Argument;
BackgroundWorker bw = o as BackgroundWorker;
int total = tasks.Count;
int nCopied = 0;
int nSkipped = 0;
int i = 0; // number of files processed
foreach (Pair<string, string> pair in tasks)
{
i++;
if (bw.CancellationPending)
{
args.Cancel = true;
return;
}
ProgressReport report = new ProgressReport(nCopied, nSkipped, i, total, pair.Right);
bw.ReportProgress(i / total, report);
try
{
if (cbMoveFiles.Checked) // TODO: this is probably not thread safe
{
System.IO.File.Move(pair.Left, pair.Right);
}
else
{
System.IO.File.Copy(pair.Left, pair.Right, true);
}
++nCopied;
}
catch (FileNotFoundException)
{
// Do nothing, just skip the file
++nSkipped;
}
catch (DirectoryNotFoundException)
{
++nSkipped;
}
catch (IOException ioe)
{
// delete the partial output file if it exists
File.Delete(pair.Right);
// If it's an "out of space" exception, exit quietly
if ((ioe.HResult & 0xffff) == ERROR_DISK_FULL)
{
args.Result = CopyResult.OUT_OF_SPACE;
return; // ** quick exit ** Finished early.
}
throw; // otherwise, exit noisily
}
catch (Exception)
{
// delete the output file on the assumption that it's incomplete
File.Delete(pair.Right);
throw;
}
}
args.Result = CopyResult.SUCCESS; // no exceptions or ANYTHING.
}
