TListeners
A collection of
TBaseObject instances to which TEvent can be distributed.Inheritance
| Level | Ancestor | Description |
|---|---|---|
| 1 | TObject | Ultimate ancestor in a class hierarchy |
| 2 | TBaseObject | A base class for objects that can be used instead of TObject. |
| 3 | TReferenceCountedObject | Object that keeps track of the number of times it is referenced from other objects |
| 4 | TListeners |
Source
Listeners.pas (31)
Fields
| Scope | Visibility | Type | Name | Description |
|---|---|---|---|---|
| Instance | protected | TList<TListenersRegistration> | Registrations | |
| Instance | protected | TList<TListenersIterator> | Iterators |
Methods
| Scope | Visibility | Result | Name | Description |
|---|---|---|---|---|
| Instance | public | Create() | ||
| Instance | public | Destroy() | ||
| Instance | public | Add(Listener: TBaseObject) | ||
| Instance | public | Remove(Listener: TBaseObject) | ||
| Instance | public | DistributeEvent(Event: TEvent; FreeEvent: TBoolean) | Call HandleEvent on all listeners in order of registration, optionally calling Free on the event. | |
| Instance | public | DistributeEventInUserInterface(Event: TEvent; WaitType: TWaitType) | Call HandleEvent on all listeners in the user interface thread, optionally waiting for all listeners to process the event. |