internal static void PromoteAllCachedDefaultValues(DependencyObject owner)
{
FrugalMapBase map = _defaultValueFactoryCache.GetValue(owner);
if (map != null)
{
// Iterate through all the items in the map (each representing a DP)
// and promote them to locally-set.
map.Iterate(null, _promotionCallback);
}
}
/// <summary>
/// Removes all cached default values on an object. It iterates though
/// each one and, if the cached default is a Freezable, removes its
/// Changed event handlers. This is called by DependencyObject.Seal()
/// for Freezable type owners.
/// </summary>
/// <param name="owner"></param>
internal static void RemoveAllCachedDefaultValues(Freezable owner)
{
FrugalMapBase map = _defaultValueFactoryCache.GetValue(owner);
if (map != null)
{
// Iterate through all the items in the map (each representing a DP)
// and remove the promotion handlers
map.Iterate(null, _removalCallback);
// Now that they're all clear remove the map.
_defaultValueFactoryCache.ClearValue(owner);
}
}