Bend.LayerVisualization.refreshFromDb C# (CSharp) Method

        public void refreshFromDb(LayerManager db, MergeCandidate mc = null)
        {
            var seg = new List<SegmentDescriptor>();
            // this is much faster than using listAllSegments
            foreach(var kvp in db.rangemapmgr.mergeManager.segmentInfo) {
                seg.Add(kvp.Key);
            }

            segments = seg;
            this.lastmerge = mc;

            // we should be doing this, but .Keys is not implemented in BDSkipList
            // segments.AddRange(db.rangemapmgr.mergeManager.segmentInfo.Keys);
            // segments.AddRange(db.listAllSegments());
            this.Invoke((MethodInvoker) delegate() {
                try {
                    this.Refresh();
                } catch (Exception e) {
                    System.Console.WriteLine("######" + e.ToString());
                    throw e;
                }
                });
        }