public BEncodedDictionary EndCreate(IAsyncResult result)
{
Check.Result(result);
if (result != this.asyncResult)
{
throw new ArgumentException("The supplied async result does not correspond to currently active async result");
}
try {
if (!result.IsCompleted)
{
result.AsyncWaitHandle.WaitOne();
}
if (this.asyncResult.SavedException != null)
{
throw this.asyncResult.SavedException;
}
return(this.asyncResult.Aborted ? null : this.asyncResult.Dictionary);
} finally {
this.asyncResult = null;
}
}
public void AbortCreation()
{
TorrentCreatorAsyncResult r = asyncResult;
if (r != null)
{
r.Aborted = true;
}
}
IAsyncResult BeginCreate(MainLoopJob task, AsyncCallback callback, object asyncState)
{
if (asyncResult != null)
{
throw new InvalidOperationException("Two asynchronous operations cannot be executed simultaenously");
}
asyncResult = new TorrentCreatorAsyncResult(callback, asyncState);
ThreadPool.QueueUserWorkItem(delegate {
try {
asyncResult.Dictionary = (BEncodedDictionary)task();
} catch (Exception ex) {
asyncResult.SavedException = ex;
}
asyncResult.Complete();
});
return(asyncResult);
}