Fires when the pressed state of a custom check button within an alert window has been changed.
[DXCategory("Events")] public event AlertButtonDownChangedEventHandler ButtonDownChanged
<DXCategory("Events")> Public Event ButtonDownChanged As AlertButtonDownChangedEventHandler
The ButtonDownChanged event's data class is DevExpress.XtraBars.Alerter.AlertButtonDownChangedEventArgs.
The ButtonDownChanged event fires after a custom check button has been clicked and its pressed state has been changed. To get the current pressed state of the button, use the event's Down parameter. To respond to clicking regular custom buttons, handle the AlertControl.ButtonClick event.