internal CanExecuteObservable(IReactiveNotifyPropertyChanged obj,
IEnumerable <Expression <Func <object> > > expressions, Func <bool> func)
{
this.func = func;
AddProperties(expressions);
obj
.Changed
.Where(oc => propertyNames.Any(propertyName => propertyName == oc.PropertyName))
.Subscribe(oc => Fire());
}
public void UnRegisterForChanges(IReactiveNotifyPropertyChanged obj)
{
_registeredObjects.Remove(obj);
}
public void RegisterForChanges(IReactiveNotifyPropertyChanged obj)
{
_registeredObjects.Add(obj);
}
public void UnRegisterForChanges(IReactiveNotifyPropertyChanged obj)
{
_registeredObjects.Remove(obj);
}
public void RegisterForChanges(IReactiveNotifyPropertyChanged obj)
{
_registeredObjects.Add(obj);
}
public static CanExecuteObservable WhenAny(this IReactiveNotifyPropertyChanged obj, Expression <Func <object> > property1, Func <bool> func)
{
return(obj.WhenAny(new[] { property1 }, func));
}
public static CanExecuteObservable WhenAny(this IReactiveNotifyPropertyChanged obj,
IEnumerable <Expression <Func <object> > > expressions, Func <bool> func)
{
return(new CanExecuteObservable(obj, expressions, func));
}
