PropertyChangedObserverObserveTObservable, TContext - метод

[NotNullAttribute]
public static IDisposable Observe<TObservable, TContext>(
	[NotNullAttribute] TObservable observable,
	[NotNullAttribute] TContext context,
	Func<TObservable, TContext, bool> handler,
	[NotNullAttribute] string observablePropertyName
)
where TObservable : class, INotifyPropertyChanged
where TContext : class

<NotNullAttribute>
Public Shared Function Observe(Of TObservable As {Class, INotifyPropertyChanged}, TContext As Class) ( 
	<NotNullAttribute> observable As TObservable,
	<NotNullAttribute> context As TContext,
	handler As Func(Of TObservable, TContext, Boolean),
	<NotNullAttribute> observablePropertyName As String
) As IDisposable

public:
[NotNullAttribute]
generic<typename TObservable, typename TContext>
where TObservable : ref class, INotifyPropertyChanged
where TContext : ref class
static IDisposable^ Observe(
	[NotNullAttribute] TObservable observable, 
	[NotNullAttribute] TContext context, 
	Func<TObservable, TContext, bool>^ handler, 
	[NotNullAttribute] String^ observablePropertyName
)

[<NotNullAttribute>]
static member Observe : 
        [<NotNullAttribute>] observable : 'TObservable * 
        [<NotNullAttribute>] context : 'TContext * 
        handler : Func<'TObservable, 'TContext, bool> * 
        [<NotNullAttribute>] observablePropertyName : string -> IDisposable  when 'TObservable : not struct and INotifyPropertyChanged when 'TContext : not struct