GitScc.SccProviderService.QuickRefreshNodesGlyphs C# (CSharp) Method

        public async Task QuickRefreshNodesGlyphs(IVsSccProject2 project, List<string> files)
        {
            try
            {
                if (files.Count > 0)
                {
                    string[] rgpszFullPaths = new string[files.Count];
                    for (int i = 0; i < files.Count; i++)
                        rgpszFullPaths[i] = files[i];

                    VsStateIcon[] rgsiGlyphs = new VsStateIcon[files.Count];
                    uint[] rgdwSccStatus = new uint[files.Count];
                    GetSccGlyph(files.Count, rgpszFullPaths, rgsiGlyphs, rgdwSccStatus);

                    uint[] rguiAffectedNodes = new uint[files.Count];

                    //TODO We could/Should cache this mapping !!!! 
                    await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
                    IList<uint> subnodes = await SolutionExtensions.GetProjectItems((IVsHierarchy)project, VSConstants.VSITEMID_ROOT);

                    var dict = new Dictionary<string, uint>();
                    var proj = project as IVsProject2;

                    foreach (var id in subnodes)
                    {
                        string docname;
                        var res = proj.GetMkDocument(id, out docname);

                        if (res == VSConstants.S_OK && !string.IsNullOrEmpty(docname))
                            dict[docname] = id;
                    }

                    for (int i = 0; i < files.Count; ++i)
                    {
                        uint id;
                        if (dict.TryGetValue(files[i], out id))
                        {
                            rguiAffectedNodes[i] = id;
                        }
                    }
                    await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
                    project.SccGlyphChanged(files.Count, rguiAffectedNodes, rgsiGlyphs, rgdwSccStatus);
                }
            }
            catch (Exception ex)
            {
                await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
                IVsActivityLog log = _sccProvider.GetService(typeof(SVsActivityLog)) as IVsActivityLog;
                if (log == null) return;

                int hr = log.LogEntry((UInt32)__ACTIVITYLOG_ENTRYTYPE.ALE_ERROR,
                    ex.StackTrace,
                    string.Format(CultureInfo.CurrentCulture,
                    "Called for: {0}", this.ToString()));
            }

        }