Пример #1
0
        void worker_DoWork(object sender, DoWorkEventArgs e)
        {
            var rootDir = (string)e.Argument;

            try
            {
                var             dir = new DirectoryInfo(rootDir);
                var             re  = new Regex(@"^[a-zA-Z]:\$", RegexOptions.IgnoreCase);
                FileSizeContext context;
                if (re.Match(rootDir).Success)
                {
                    context = new FileSizeContext(new DriveInfo(rootDir).TotalFreeSpace);
                }
                else
                {
                    context = new FileSizeContext(0);
                }
                // TODO: progress.IsIndeterminate = (context.DiskSize == 0);

                DirectorySizeItem dsi = LoadDirectoryRecursive(context, dir);
                ResolveSizeRecursive(dsi);
                _worker.ReportProgress(0, dsi);
            }
            catch (Exception exp)
            {
                ((App)Application.Current).LogException(exp);
            }
        }
Пример #2
0
        private void ResolveSizeRecursive(DirectorySizeItem dsi)
        {
            foreach (var subDsi in dsi.SubDirectories)
            {
                ResolveSizeRecursive(subDsi);
            }

            dsi.SubDirectories.Sort();
            dsi.Files.Sort();
            dsi.ResolveSize();
        }
Пример #3
0
        private DirectorySizeItem LoadDirectoryRecursive(FileSizeContext context, DirectoryInfo di)
        {
            var dsi = new DirectorySizeItem(context);

            dsi.Load(di);

            if (di.FullName.Length >= 230) // 再向下查找超过260个字符有可能引起异常,略过
            {
                return(dsi);
            }

            try
            {
                foreach (var fi in di.GetFiles())
                {
                    var fsi = new FileSizeItem(context);
                    fsi.Load(fi);
                    dsi.Files.Add(fsi);
                    context.ReadedSize += fsi.Size;
                }
            }
            catch (UnauthorizedAccessException)
            {
            }

            _worker.ReportProgress(context.ReadedPercentage, string.Format("正在读取目录: {0}", di.FullName));

            try
            {
                foreach (var subDi in di.GetDirectories())
                {
                    var subDsi = LoadDirectoryRecursive(context, subDi);
                    dsi.SubDirectories.Add(subDsi);
                }
            }
            catch (UnauthorizedAccessException)
            {
            }

            return(dsi);
        }