To enable this feature, append "<##>" to the text of a button (ctype MBF_BUTTON), where ## is the desired length of the countdown in seconds. The button display will be updated each second with the remaining length of the countdown until it reaches zero. At that time, the "<##>" suffix will be removed entirely, and one of the following two events will occur:

•   enabled. This might make sense in a situation where you want to prevent the user from prematurely or accidentally triggering an action with serious consequences.consequences.

•   If the button was initially enabled, then the click event will be triggered.