public static IObservable <PropertyChangeData> WhenPropertyChanging(this IObservablePropertyChanging observable, string propertyName)
{
if (observable == null)
{
throw new ArgumentNullException(nameof(observable), $"{nameof(observable)} is null.");
}
if (string.IsNullOrEmpty(propertyName))
{
throw new ArgumentException($"{nameof(propertyName)} is null or empty.", nameof(propertyName));
}
return(observable.Changing.ForProperty(propertyName));
}
public static IObservable <PropertyChangeData> WhenPropertiesChanging(this IObservablePropertyChanging observable, params string[] propertyNames)
{
if (observable == null)
{
throw new ArgumentNullException(nameof(observable), $"{nameof(observable)} is null.");
}
if (propertyNames == null || propertyNames.Length == 0)
{
throw new ArgumentException($"{nameof(propertyNames)} is null or empty.", nameof(propertyNames));
}
return(observable.Changing.ForProperties(propertyNames));
}
public static IObservable <PropertyChangingData <TProperty> > WhenPropertiesChanging <TProperty>(this IObservablePropertyChanging changing, params string[] propertyNames) => changing.Changing.Where(p => propertyNames.Contains(p.PropertyName)).Select(data => (PropertyChangingData <TProperty>)data);
public static IObservable <PropertyChangingData> WhenPropertiesChanging(this IObservablePropertyChanging changing, params string[] propertyNames) => changing.Changing.Where(p => propertyNames.Contains(p.PropertyName));
public static IObservable <PropertyChangingData <TProperty> > WhenPropertyChanging <TProperty>(this IObservablePropertyChanging changing, string propertyName) => changing.Changing.Where(p => p.PropertyName == propertyName).Select(data => (PropertyChangingData <TProperty>)data);
public static IObservable <PropertyChangingData> WhenPropertyChanging(this IObservablePropertyChanging changing, string propertyName) => changing.Changing.Where(p => p.PropertyName == propertyName);
public static IObservable <PropertyChangingData <TProperty> > WhenPropertyChanging <TProperty>(this IObservablePropertyChanging changing, String propertyName)
{
}
public static IObservable <PropertyChangingData <TProperty> > WhenPropertiesChanging <TProperty>(this IObservablePropertyChanging changing, [ParamArrayAttribute()] String[] propertyNames)
{
}
