public static DependencyPropertyKey RegisterReadOnly(string name, Type propertyType, Type ownerType, PropertyMetadata metadata = null, ValidateValueCallback validateValueCallback = null)
{
DependencyPropertyHashKey hashKey = new DependencyPropertyHashKey(ownerType, name);
DependencyPropertyKey readOnlyKey = new DependencyPropertyKey(Register(hashKey, propertyType, metadata, validateValueCallback, false, true));
registeredReadOnlyPropertiesKey.Add(hashKey, readOnlyKey);
return(readOnlyKey);
}
public static RoutedEvent RegisterRoutedEvent(string name, RoutingStrategy routingStrategy, Type handlerType, Type ownerType)
{
RoutedEventHashKey key = new RoutedEventHashKey(ownerType, name);
if (registeredEvents.ContainsKey(key))
{
throw new Granular.Exception("RoutedEvent {0}.{1} is already registered", ownerType.Name, name);
}
RoutedEvent routedEvent = new RoutedEvent(name, routingStrategy, handlerType, ownerType);
registeredEvents.Add(key, routedEvent);
return(routedEvent);
}
public object GetValue(DependencyProperty dependencyProperty)
{
IDependencyPropertyValueEntry entry;
if (!entries.TryGetValue(dependencyProperty, out entry))
{
PropertyMetadata propertyMetadata = dependencyProperty.GetMetadata(GetType());
// no need to create a new entry if the value is not inherited or coerced
if (!propertyMetadata.Inherits && (propertyMetadata.CoerceValueCallback == null || !dependencyProperty.IsAttached && !dependencyProperty.IsContainedBy(GetType())))
{
return(propertyMetadata.DefaultValue);
}
entry = CreateDependencyPropertyValueEntry(dependencyProperty, propertyMetadata);
entries.Add(dependencyProperty, entry);
}
return(entry.Value);
}
private IDependencyPropertyValueEntry GetInitializedReadOnlyValueEntry(DependencyProperty dependencyProperty)
{
IDependencyPropertyValueEntry readOnlyEntry;
if (readOnlyEntries.TryGetValue(dependencyProperty, out readOnlyEntry))
{
return(readOnlyEntry);
}
readOnlyEntry = new ReadOnlyDependencyPropertyValueEntry(GetInitializedValueEntry(dependencyProperty));
readOnlyEntries.Add(dependencyProperty, readOnlyEntry);
return(readOnlyEntry);
}
private static void AddRegisteredProperty(DependencyPropertyHashKey key, DependencyProperty dependencyProperty)
{
VerifyNotRegistered(key, dependencyProperty);
registeredProperties.Add(key, dependencyProperty);
}