void ReportCompletion(IAsyncResult asyncResult)
{
System.Runtime.Remoting.Messaging.AsyncResult ar = (System.Runtime.Remoting.Messaging.AsyncResult)asyncResult;
DoWorkEventHandler del;
del = (DoWorkEventHandler)ar.AsyncDelegate;
DoWorkProviderEventArgs doWorkArgs = (DoWorkProviderEventArgs)ar.AsyncState;
object result = null;
Exception error = null;
try
{
del.EndInvoke(asyncResult);
result = doWorkArgs.Result;
}
catch (Exception exception)
{
error = exception;
}
RunWorkerCompletedProviderEventArgs completedArgs = new RunWorkerCompletedProviderEventArgs(result, error, doWorkArgs.Cancel);
OnRunWorkerCompleted(completedArgs);
}
public void RunWorkerAsync(object argument)
{
m_CancelPending = false;
if (DoWork != null)
{
DoWorkProviderEventArgs args = new DoWorkProviderEventArgs(argument);
AsyncCallback callback;
callback = new AsyncCallback(ReportCompletion);
DoWork.BeginInvoke(this, args, callback, args);
}
}
abstract public Movie LoadMovie(XmlDocument _movieXml, BackgroundWorker worker, DoWorkProviderEventArgs e);
abstract public Movie LoadMovie(XmlNode movieNode, BackgroundWorker worker, DoWorkProviderEventArgs e);