void RefreshTaskInfo() { if (taskInfo != null) { string ext = Path.GetExtension(taskInfo.name); if (ext.Length >= 1) { ext = ext.Substring(1, ext.Length - 1); } tbx_filename.Text = taskInfo.name; tbx_size.Text = UtilHelper.ConvertToSizeString(Convert.ToUInt64(taskInfo.size)); tbx_format.Text = ext; grid_info.Opacity = 1; grid_info.IsEnabled = true; } }