private void SaveProject_Click(object sender, RoutedEventArgs e)
 {
     if (projectName.Length == 0 && mapPath.Length != 0)
     {
         System.Windows.Forms.MessageBox.Show("缺少工程文件名", "信息不全", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
     else if (projectName.Length != 0 && mapPath.Length == 0)
     {
         System.Windows.Forms.MessageBox.Show("缺少铁路信息源", "信息不全", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
     else if (projectName.Length == 0 && mapPath.Length == 0)
     {
         System.Windows.Forms.MessageBox.Show("缺少工程文件名和铁路信息文件", "信息不全", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
     else
     {
         SaveFileDialog dialog = new SaveFileDialog();;
         dialog.Filter           = "工程文件 (*.db)|*.db";
         dialog.FilterIndex      = 1;
         dialog.InitialDirectory = "d:\\";
         dialog.RestoreDirectory = true;
         dialog.FileName         = projectName;
         if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
         {
             outputPath   = dialog.FileName;
             databaseFile = new DatabaseFile(outputPath);
             databaseFile.InitDbFile();
             //CAD文件
             if (MapPath_comboBox.SelectedIndex == 0)
             {
                 databaseFile.WriteProjectInfo(0, projectName);
                 databaseFile.WriteCadMap(cadXmlFile);
             }
             //数字地图
             else if (MapPath_comboBox.SelectedIndex == 1)
             {
                 databaseFile.WriteProjectInfo(1, projectName);
                 databaseFile.WriteDigitalMap(prjItem);
             }
             //如果有kml文件
             if (kmlFile != null)
             {
                 databaseFile.WriteKml(kmlFile);
             }
             //如果有excel文件
             if (excelFile != null)
             {
                 databaseFile.WriteExcel(excelFile);
             }
             System.Windows.MessageBox.Show("文件生成成功", "提示");
         }
     }
 }