AsyncRelayCommandTParamCanExecuteChanged Event

public event EventHandler CanExecuteChanged

Public Event CanExecuteChanged As EventHandler

Dim instance As AsyncRelayCommand
Dim handler As EventHandler

AddHandler instance.CanExecuteChanged, handler

public:
virtual  event EventHandler^ CanExecuteChanged {
	void add (EventHandler^ value);
	void remove (EventHandler^ value);
}

abstract CanExecuteChanged : IEvent<EventHandler,
    EventArgs>
override CanExecuteChanged : IEvent<EventHandler,
    EventArgs>

/** @event */
public final void add_CanExecuteChanged (EventHandler value)
/** @event */
public final void remove_CanExecuteChanged (EventHandler value)

JScript does not support events.

function add_CanExecuteChanged(value);
function remove_CanExecuteChanged(value);

 EVENT CanExecuteChanged AS VOID