Fires when the alert time changes.
public event EventHandler RemindTimeChanged
Public Event RemindTimeChanged As EventHandler
The RemindTimeChanged event's data class is EventArgs.
The alert time is calculated using the following formula: ReminderBase.AlertTime = Appointment.Start - ReminderBase.TimeBeforeStart. The RemindTimeChanged event serves as a notification that the reminder's alert time has been changed, i.e. the ReminderBase.TimeBeforeStart or Appointment.Start property has been changed.