public T GetAttachedPropertyValue <T>(string name, T defaultValue)
{
AbstractProperty property = GetAttachedProperty(name);
return(property == null ? defaultValue : (T)property.GetValue());
}
void OnExpandedChanged(AbstractProperty property, object oldvalue)
{
bool expanded = (bool)property.GetValue();
_parent.RefreshOrClearSubPathItems(_directoryItem, !expanded);
}
public override void Restore(UIElement element)
{
IDataDescriptor targetDd;
DependencyObject targetObject;
if (!FindPropertyDescriptor(element, out targetDd, out targetObject))
{
return;
}
AbstractProperty bindingsProperty = targetObject.GetOrCreateAttachedProperty(BINDING_SETTER_BINDINGS,
(IDictionary <BindingSetter, IBinding>) new Dictionary <BindingSetter, IBinding>());
IDictionary <BindingSetter, IBinding> bindings = (IDictionary <BindingSetter, IBinding>)bindingsProperty.GetValue();
IBinding binding;
if (!bindings.TryGetValue(this, out binding))
{
return;
}
MPF.TryCleanupAndDispose(binding); // Also removes the binding from the binding collection in its context object
bindings.Remove(this);
}
public override void Set(UIElement element)
{
// We must activate our bindings to make dynamic resource markup extensions assigning our binding work, for example
ActivateBindings();
if (_bindingWrapper == null || _bindingWrapper.Binding == null)
{
return;
}
IDataDescriptor targetDd;
DependencyObject targetObject;
if (!FindPropertyDescriptor(element, out targetDd, out targetObject))
{
return;
}
AbstractProperty bindingsProperty = targetObject.GetOrCreateAttachedProperty(BINDING_SETTER_BINDINGS,
(IDictionary <BindingSetter, IBinding>) new Dictionary <BindingSetter, IBinding>());
IDictionary <BindingSetter, IBinding> bindings = (IDictionary <BindingSetter, IBinding>)bindingsProperty.GetValue();
if (bindings.ContainsKey(this))
{
return;
}
bindings.Add(this, _bindingWrapper.Binding.CopyAndRetarget(targetDd));
}
private void OnRefreshIntervalChanged(AbstractProperty property, object oldvalue)
{
_animationTimer.Interval = (double)property.GetValue();
}
