public PropertyPathNode InsertBefore(string propertyName)
{
if (Prev != null)
{
Prev.Next = null;
}
Prev = new PropertyPathNode(propertyName);
Prev.Next = this;
return(Prev);
}
internal void SetRootNode(PropertyPathNode rootNode)
{
RootNode?.SetCallback(null);
rootNode?.SetCallback(RaisePropertyChanged);
RootNode = rootNode;
}