public PropertyBinding(
BindingType bindingType,
[NotNull] IDependencyProperty <TTarget> target,
[NotNull] INotifyingObject <TSource> source,
[NotNull] ValueConverter <TSource, TTarget> converter)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (source == null)
{
throw new ArgumentNullException("source");
}
if (converter == null)
{
throw new ArgumentNullException("converter");
}
_target = target;
_source = source;
_converter = converter;
switch (bindingType)
{
case BindingType.OneWay:
_source.PropertyChanged += SourceOnPropertyChanged;
SetTarget(_source.GetValue());
break;
case BindingType.TwoWay:
_source.PropertyChanged += SourceOnPropertyChanged;
_target.PropertyChanged += TargetOnPropertyChanged;
SetTarget(_source.GetValue());
SetSource(_target.GetValue());
break;
case BindingType.OneWayToSource:
_target.PropertyChanged += TargetOnPropertyChanged;
SetSource(_target.GetValue());
break;
default:
throw new NotSupportedException(string.Format(
"The binding type '{0}' is not supported.",
bindingType));
}
}
protected PropertyTransition(IVisualElement visual,
IDependencyProperty <T> property,
TimeSpan duration,
TimeSpan delay,
TransitionFunctionType timing)
: base(duration, delay, Easing.QuadraticOut)
{
_visual = visual;
_property = property;
Duration = duration;
Delay = delay;
Timing = timing;
CurrentStartValue = property.GetValue(visual);
CurrentEndValue = property.GetValue(visual);
}
