private void LoadFile()
        {
            OpenFileDialog ofd = new OpenFileDialog()
            {
                Filter           = "BMSSV Files|*.bmssv",
                Title            = "Choose BMSSV . . .",
                RestoreDirectory = true
            };

            if (ofd.ShowDialog() == true)
            {
                BMSSVFile bmssv = BMSSVFile.Open(ofd.FileName);
                LoadedFile = FileModel.FromBMSSV(bmssv);

                //this.DataContext = LoadedFile;
            }
        }