private bool UpdateTargetWithStartingValue(WeakReference <IPropBagInternal> bindingTarget, StoreNodeProp sourcePropNode)
{
bool result;
if (NoTarget_NotifiesReceiverInstead)
{
//WeakReference<IPropBagInternal> propItemParentPropBag_internal = sourcePropNode?.Parent?.PropBagProxy;
//WeakReference<IPropBag> propItemParentPropBag = GetPublicVersion(propItemParentPropBag_internal);
WeakReference <IPropBag> propItemParentPropBag_wr = GetPropItemParent(_propStoreAccessService_wr, sourcePropNode);
result = NotifyReceiver(_storeNodeUpdateReceiver, propItemParentPropBag_wr);
}
else
{
IProp typedProp = sourcePropNode.PropData_Internal.TypedProp;
if (typedProp.StorageStrategy == PropStorageStrategyEnum.Internal)
{
T newValue = (T)typedProp.TypedValueAsObject;
result = UpdateTarget(_targetObject, newValue);
}
else
{
// This property has no backing store, there is no concept of a starting value. (Propably used to send messages.)
result = false;
}
}
return(result);
}
private WeakReference <IPropBag> GetPropItemParent(WeakReference <PSAccessServiceInterface> propStoreAccessService_wr, StoreNodeProp sourcePropNode)
{
if (propStoreAccessService_wr.TryGetTarget(out PSAccessServiceInterface storeAccessor))
{
if (storeAccessor is PSAccessServiceInternalInterface storeAcessor_internal)
{
WeakReference <IPropBagInternal> propItemParentPropBag_internal_wr = storeAcessor_internal.GetPropBagProxy(sourcePropNode);
WeakReference <IPropBag> propItemParentPropBag_wr = storeAcessor_internal.GetPublicInterface(propItemParentPropBag_internal_wr);
return(propItemParentPropBag_wr);
}
else
{
return(new WeakReference <IPropBag>(null));
}
}
else
{
return(new WeakReference <IPropBag>(null));
}
}
private bool TryGetChildProp(StoreNodeBag objectNode, IPropBagInternal propBag, string propertyName, out StoreNodeProp child)
{
PropIdType propId = ((PSAccessServiceInternalInterface)propBag.ItsStoreAccessor).Level2KeyManager.FromRaw(propertyName);
bool result = objectNode.TryGetChild(propId, out child);
return(result);
}
