/// <summary>
/// Post an item to the dialog task and poll the dialog task for any work to be done.
/// </summary>
/// <typeparam name="R">The type of the root dialog.</typeparam>
/// <typeparam name="T">The type of the item.</typeparam>
/// <param name="task">The dialog task.</param>
/// <param name="toBot">The item to be sent to the bot.</param>
/// <param name="MakeRoot">The factory method for the root dialog.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>A task representing the post operation.</returns>
public static async Task PostAsync <T, R>(this IDialogTask task, T toBot, Func <IDialog <R> > MakeRoot, CancellationToken token = default(CancellationToken))
{
await LoadAsync(task, MakeRoot, token);
IPostToBot postToBot = task;
try
{
await postToBot.PostAsync(toBot, token);
}
catch
{
task.Reset();
throw;
}
task.Save();
}
/// <summary>
/// Poll the dialog task for any work to be done.
/// </summary>
/// <typeparam name="R">The type of the root dialog.</typeparam>
/// <param name="task">The dialog task.</param>
/// <param name="MakeRoot">The factory method for the root dialog.</param>
/// <param name="token">An optional cancellation token.</param>
/// <returns>A task representing the poll operation.</returns>
public static async Task PollAsync <R>(this IDialogTask task, Func <IDialog <R> > MakeRoot, CancellationToken token = default(CancellationToken))
{
await LoadAsync(task, MakeRoot);
task.Save();
}
