/// <summary>
/// Registers an attached Proeprty on the specific class.
/// </summary>
/// <typeparam name="TValue">The type of the Property</typeparam>
/// <typeparam name="TType">The Type of the Object that defines the Property</typeparam>
/// <param name="changingMethod">The Method that will be called if the property will be set.</param>
/// <param name="defaultValue">The default Value that the Proeprty will have if no value is set.</param>
/// <param name="nullTreatment">Defines how to handle Null values.</param>
/// <param name="settigns">Additional Settings.</param>
/// <returns>The Property key</returns>
public static NDAttachedPropertyKey <TKey, TType, TValue> RegisterAttached <TType, TValue>(OnChanging <TKey, TType, TValue> changingMethod, TValue defaultValue, NDPropertySettings settigns)
where TType : class
{
var p = new NDAttachedPropertyKey <TKey, TType, TValue>(changingMethod, defaultValue, settigns);
if (p.Inherited)
{
if (!inheritedPropertys.ContainsKey(typeof(TType)))
{
inheritedPropertys.Add(typeof(TType), new List <IInternalNDProperty <TKey> >());
}
inheritedPropertys[typeof(TType)].Add(p);
}
if (settigns.HasFlag(NDPropertySettings.ParentReference))
{
AddParentHandler(p);
}
return(p);
}
public static AttachedHelper <TKey, TType, TValue> Create <TKey, TType, TValue>(NDAttachedPropertyKey <TKey, TType, TValue> property) where TType : class => new AttachedHelper <TKey, TType, TValue>(property);
public Delegater(NDAttachedPropertyKey <TKey, TType, TValue> property, TType index)
{
this.property = property;
this.index = index;
}