public override void ResolveSize()
        {
            this.Size = SubDirectories.Sum(it => it.Size) + Files.Sum(it => it.Size);
            foreach (var dir in SubDirectories)
            {
                dir.SetPercentage(this.Size, _context.TotalSize);
            }

            foreach (var fsi in Files)
            {
                fsi.SetPercentage(this.Size, _context.TotalSize);
            }
        }