Observable.FromEvent<TEventArgs> Method (Action<EventHandler<TEventArgs>>, Action<EventHandler<TEventArgs>>)

Namespace:  Microsoft.Phone.Reactive
Assembly:  Microsoft.Phone.Reactive (in Microsoft.Phone.Reactive.dll)

Syntax

'Declaration
Public Shared Function FromEvent(Of TEventArgs As EventArgs) ( _
    addHandler As Action(Of EventHandler(Of TEventArgs)), _
    removeHandler As Action(Of EventHandler(Of TEventArgs)) _
) As IObservable(Of IEvent(Of TEventArgs))

public static IObservable<IEvent<TEventArgs>> FromEvent<TEventArgs>(
    Action<EventHandler<TEventArgs>> addHandler,
    Action<EventHandler<TEventArgs>> removeHandler
)
where TEventArgs : EventArgs

public:
generic<typename TEventArgs>
where TEventArgs : EventArgs 
static IObservable<IEvent<TEventArgs>^>^ FromEvent(
    Action<EventHandler<TEventArgs>^>^ addHandler, 
    Action<EventHandler<TEventArgs>^>^ removeHandler
)

static member FromEvent : 
        addHandler:Action<EventHandler<'TEventArgs>> * 
        removeHandler:Action<EventHandler<'TEventArgs>> -> IObservable<IEvent<'TEventArgs>>  when 'TEventArgs : EventArgs

Type Parameters

• TEventArgs

Parameters

• addHandler
  Type: System.Action<EventHandler<TEventArgs>>

• removeHandler
  Type: System.Action<EventHandler<TEventArgs>>

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.

See Also

Reference

Observable Class

FromEvent Overload

Microsoft.Phone.Reactive Namespace