WKInterfaceObject.Notifications.ObserveSwitchControlStatusDidChange Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Overloads
ObserveSwitchControlStatusDidChange(EventHandler<NSNotificationEventArgs>) |
Strongly typed notification for the SwitchControlStatusDidChangeNotification constant. |
ObserveSwitchControlStatusDidChange(NSObject, EventHandler<NSNotificationEventArgs>) |
Strongly typed notification for the SwitchControlStatusDidChangeNotification constant. |
ObserveSwitchControlStatusDidChange(EventHandler<NSNotificationEventArgs>)
Strongly typed notification for the SwitchControlStatusDidChangeNotification constant.
public static Foundation.NSObject ObserveSwitchControlStatusDidChange (EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveSwitchControlStatusDidChange : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject
Parameters
- handler
- EventHandler<NSNotificationEventArgs>
Method to invoke when the notification is posted.
Returns
Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>)
Remarks
This method can be used to subscribe for SwitchControlStatusDidChangeNotification notifications.
// Listen to all notifications posted for any object
var token = WKInterfaceObject.Notifications.ObserveSwitchControlStatusDidChange ((notification) => {
Console.WriteLine ("Observed SwitchControlStatusDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = WKInterfaceObject.Notifications.ObserveSwitchControlStatusDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed SwitchControlStatusDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();
Applies to
ObserveSwitchControlStatusDidChange(NSObject, EventHandler<NSNotificationEventArgs>)
Strongly typed notification for the SwitchControlStatusDidChangeNotification constant.
public static Foundation.NSObject ObserveSwitchControlStatusDidChange (Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveSwitchControlStatusDidChange : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject
Parameters
- objectToObserve
- NSObject
The object to observe.
- handler
- EventHandler<NSNotificationEventArgs>
Method to invoke when the notification is posted.
Returns
Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>)
Remarks
This method can be used to subscribe for SwitchControlStatusDidChangeNotification notifications.
// Listen to all notifications posted for any object
var token = WKInterfaceObject.Notifications.ObserveSwitchControlStatusDidChange ((notification) => {
Console.WriteLine ("Observed SwitchControlStatusDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = WKInterfaceObject.Notifications.ObserveSwitchControlStatusDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed SwitchControlStatusDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();