private static void core <T>(AsyncOperation <T> returns, Func <IAsyncOperation <T> > agileCallback)
{
if (returns.Status == AsyncStatus.Canceled)
{
return;
}
try
{
var task = agileCallback();
returns.RegisterCancellation(task.Cancel);
task.Completed = (sender, e) =>
{
if (returns.Status == AsyncStatus.Canceled)
{
sender.Close();
return;
}
switch (e)
{
case AsyncStatus.Completed:
returns.TrySetResults(sender.GetResults());
break;
case AsyncStatus.Error:
returns.TrySetException(sender.ErrorCode);
break;
case AsyncStatus.Canceled:
returns.TrySetCanceled();
break;
}
};
}
catch (Exception ex)
{
returns.TrySetException(ex);
}
}
