Function NavGraph.Snapshot
        
                Snapshot
        
                (Bounds bounds)
    
            
            Captures a snapshot of a part of the graph, to allow restoring it later.
                Public
            
        IGraphSnapshot Snapshot (
bounds  |         
Captures a snapshot of a part of the graph, to allow restoring it later.
See
AstarPath.Snapshot for more details
If this graph type does not support taking snapshots, or if the bounding box does not intersect with the graph, this method returns null.