How do I cancel/exit or escape from PromptDialog.Choice in Bot Framework?

Question

The PromptDialog.Choice in the Bot Framework display the choice list which is working well. However, I would like to have an option to cancel/escape/exit the dialog with gi

Answer 1

There are two ways of achieving this:

1. Add cancel as an option as suggested. While this would definitely work, long term you will find repeating yourself a lot, plus that you will see the cancel option in the list of choices, what may not be desired.
2. A better approach would be to extend the current PromptChoice to add your exit/cancelation logic. The good news is that there is something already implemented that you could use as is or as the base to achieve your needs. Take a look to the CancelablePromptChoice included in the BotBuilder-Samples repository. Here is how to use it.