/// <summary>Walks the subtree of this node and removes all nodes which were not marked projected.</summary>
/// <remarks>Used to remove unnecessary expanded nodes.</remarks>
internal void RemoveNonProjectedNodes()
{
for (int j = this.nodes.Count - 1; j >= 0; j--)
{
ExpandedProjectionNode expandedNode = this.nodes[j] as ExpandedProjectionNode;
// Leave non-expanded properties there as they specify projections.
if (expandedNode == null)
{
continue;
}
// If we are to project entire subtree, leave all expanded nodes in as well
// otherwise remove the expanded nodes which are not marked as projected.
if (!this.projectSubtree && !expandedNode.ProjectionFound)
{
// This removes the expandedNode from the tree (and all its children)
this.nodes.RemoveAt(j);
}
else
{
expandedNode.RemoveNonProjectedNodes();
}
}
}
