private async Task <DirectoryEntries> ReadDirectoryEntriesAsyncCore(MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <DirectoryEntries>();
EventHandler <DirectoryEntries> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleReadDirectoryEntries += handler;
if (MessageLoop == null && messageLoop == null)
{
ReadDirectoryEntries();
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var output = new ArrayOutputAdapterWithStorage <PPDirectoryEntry[]>();
var result = (PPError)PPBFileRef.ReadDirectoryEntries(this, output.PPArrayOutput,
new BlockUntilComplete()
);
var entries = new List <DirectoryEntry>();
foreach (var entry in output.Output)
{
entries.Add(new DirectoryEntry(entry));
}
tcs.TrySetResult(new DirectoryEntries(result, entries.AsReadOnly()));
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(new DirectoryEntries(PPError.Aborted, new List <DirectoryEntry> ().AsReadOnly()));
}
finally
{
HandleReadDirectoryEntries -= handler;
}
}
/// <summary>
/// ReadDirectoryEntries() Reads all entries in the directory.
/// </summary>
/// <returns>Error code.</returns>
PPError ReadDirectoryEntries()
{
var listCallback = new CompletionCallbackWithOutput <PPDirectoryEntry[], PPResource>(ListCallback, this);
return((PPError)PPBFileRef.ReadDirectoryEntries(this, listCallback, listCallback));
}
