| Class | Description | |
|---|---|---|
![]()  | NotifyingWidget | A widget that makes notifications through synchronized callbacks or events. | 
![]()  | ProcessedEventArgs | Event arguments indicating whether an event has been handled. | 
![]()  | Widget | A portable component. | 
            | Class | Description | |
|---|---|---|
![]()  | NotifyingWidget | A widget that makes notifications through synchronized callbacks or events. | 
![]()  | ProcessedEventArgs | Event arguments indicating whether an event has been handled. | 
![]()  | Widget | A portable component. |