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I'm trying to convert GlobalSystemMediaTransportControlsSession.MediaPropertiesChanged to IObservable. However, it delegates a TypedEventHandler, not EventArgs, so a conversion is needed and ...
let conversion (handler: EventHandler<_>) : Windows.Foundation.TypedEventHandler<_, _> =
Windows.Foundation.TypedEventHandler(fun s e -> handler.Invoke(s, e))
Observable.fromEventConversionOn
Scheduler.Scheduler.EventLoop
conversion
session.add_MediaPropertiesChanged
session.remove_MediaPropertiesChanged
// Following doesn't compile
Observable.fromEventConversion
conversion
session.add_MediaPropertiesChanged
session.remove_MediaPropertiesChangedIn decompiler:
I also wonder if there is better solution (for TypedEventHandler), Observable.fromEventGeneric doesn't work.
Type constraint mismatch. The type ''a -> unit' is not compatible with type 'Windows.Foundation.TypedEventHandler<GlobalSystemMediaTransportControlsSession,MediaPropertiesChangedEventArgs>'
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