public void SetDefaultValue(string propertyName, object value)
{
if (runtimeProxies.TryGetValue(propertyName, out IRuntimeProxy runtimeProxy))
{
runtimeProxy.Manager.ObservableProperty.OverwriteFrom(value, false);
}
if (collectionProxies.TryGetValue(propertyName, out ICollectionProxy collectionProxy))
{
collectionProxy.AddDefaultElements((IEnumerable)value);
}
if (!ObservableProperty.TrySetDefaultValue(propertyName, value))
{
throw new NotSupportedException(propertyName);
}
}