Observes <TParameter1, TParameter2, TResult>(
[NotNull] TParameter1 parameter1,
[NotNull] TParameter2 parameter2,
[NotNull] Expression <Func <TParameter1, TParameter2, TResult> > propertyExpression,
bool autoSubscribe,
[NotNull] Action <TResult> action,
[NotNull] TResult fallback)
where TParameter1 : INotifyPropertyChanged
where TParameter2 : INotifyPropertyChanged
{
var observer = new PropertyObserverWithFallback <TParameter1, TParameter2, TResult>(
parameter1,
parameter2,
propertyExpression,
action,
fallback,
PropertyObserverFlag.None);
if (autoSubscribe)
{
observer.Activate(true);
}
return(observer);
}
public static IPropertyObserverWithFallback <TResult> Observes <TResult>(
[NotNull] Expression <Func <TResult> > propertyExpression,
bool autoSubscribe,
[NotNull] Action <TResult> action,
[NotNull] TResult fallback)
{
var observer = new PropertyObserverWithFallback <TResult>(propertyExpression, action, fallback, PropertyObserverFlag.None);
if (autoSubscribe)
{
observer.Activate(true);
}
return(observer);
}