//点击查看图层内属性
        private void layerLB_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            selectLayerName = layerLB.SelectedItem as string;
            var           result     = DWGReader.ReadPropertyFromFile(selectFileName, selectLayerName);
            List <string> resultList = result.Item1;

            resultGeo = result.Item2;
            PropertyDG.ItemsSource = resultList;
        }
        //选择要打开的CAD文件
        private void InputFileBtn_Click(object sender, RoutedEventArgs e)
        {
            Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();

            // Set filter for file extension and default file extension
            dlg.DefaultExt = ".dwg";
            dlg.Filter     = "dwg documents (.dwg)|*.dwg";

            // Get the selected file name and display in a TextBox
            if (dlg.ShowDialog() == true)
            {
                InputFileNameTB.Text = dlg.FileName;
                selectFileName       = dlg.FileName;
                List <string> layerList = DWGReader.ReadLayerFromFile(dlg.FileName);
                layerLB.ItemsSource = layerList;
                // new DWGReader().ReadFile(dlg.FileName, @"E://shp/11.shp");
            }
        }