Observable.FromEvent<TDelegate, TEventArgs> Method (Func<EventHandler<TEventArgs>, TDelegate>, Action<TDelegate>, Action<TDelegate>)
Namespace: Microsoft.Phone.Reactive
Assembly: Microsoft.Phone.Reactive (in Microsoft.Phone.Reactive.dll)
Syntax
'Declaration
Public Shared Function FromEvent(Of TDelegate, TEventArgs As EventArgs) ( _
conversion As Func(Of EventHandler(Of TEventArgs), TDelegate), _
addHandler As Action(Of TDelegate), _
removeHandler As Action(Of TDelegate) _
) As IObservable(Of IEvent(Of TEventArgs))
public static IObservable<IEvent<TEventArgs>> FromEvent<TDelegate, TEventArgs>(
Func<EventHandler<TEventArgs>, TDelegate> conversion,
Action<TDelegate> addHandler,
Action<TDelegate> removeHandler
)
where TEventArgs : EventArgs
public:
generic<typename TDelegate, typename TEventArgs>
where TEventArgs : EventArgs
static IObservable<IEvent<TEventArgs>^>^ FromEvent(
Func<EventHandler<TEventArgs>^, TDelegate>^ conversion,
Action<TDelegate>^ addHandler,
Action<TDelegate>^ removeHandler
)
static member FromEvent :
conversion:Func<EventHandler<'TEventArgs>, 'TDelegate> *
addHandler:Action<'TDelegate> *
removeHandler:Action<'TDelegate> -> IObservable<IEvent<'TEventArgs>> when 'TEventArgs : EventArgs
Type Parameters
- TDelegate
- TEventArgs
Parameters
- conversion
Type: System.Func<EventHandler<TEventArgs>, TDelegate>
- addHandler
Type: System.Action<TDelegate>
- removeHandler
Type: System.Action<TDelegate>
Return Value
Type: System.IObservable<IEvent<TEventArgs>>
Version Information
.NET for Windows Phone apps
Supported in: Windows Phone 8, Silverlight 8.1
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.