private async Task <bool> RunSequentiallyAsync(IDataStore fileInfo, Func <IDataStore, Task <bool> > preparation)
{
bool ok = false;
await _progress.EnterSingleThread();
try
{
if (_progress.Cancel)
{
_eventArgs.Status = new FileOperationContext(fileInfo.FullName, ErrorStatus.Canceled);
return(ok);
}
ok = await preparation(fileInfo);
if (_eventArgs.Status.ErrorStatus == ErrorStatus.Canceled)
{
_progress.Cancel = true;
}
}
finally
{
_progress.LeaveSingleThread();
}
return(ok);
}
public Task EnterSingleThread()
{
if (_isSingleThread)
{
return(Task.FromResult(default(object)));
}
_progress.EnterSingleThread();
_isSingleThread = true;
return(Task.FromResult(default(object)));
}
public Task EnterSingleThread()
{
return(_progress.EnterSingleThread());
}