public static bool SaveProjectToFile(bool InNewFile)
 {
     try
     {
         win32.SaveFileDialog saveFileDialog = new win32.SaveFileDialog();
         saveFileDialog.Filter = "XML file (*.xml)|*.xml";
         if (FilePath == "" || FilePath == null || InNewFile)
         {
             if (saveFileDialog.ShowDialog() == true)
             {
                 FilePath = saveFileDialog.FileName;
             }
             else
             {
                 return(false);
             }
         }
         XmlTextWriter textWritter = new XmlTextWriter(FilePath, Encoding.UTF8);
         textWritter.WriteStartDocument();
         textWritter.WriteStartElement("Project");
         textWritter.Close();
         XmlDocument xmlDocument = new XmlDocument();
         xmlDocument.Load(FilePath);
         XmlElement xmlRoot = xmlDocument.DocumentElement;
         XmlElement xmlSite = BuildingSite.SaveToXMLNode(xmlDocument);
         xmlRoot.AppendChild(xmlSite);
         xmlDocument.Save(FilePath);
         IsDataChanged = false;
         return(true);
     }
     catch (Exception ex)
     {
         MessageBox.Show("Ошибка сохранения: " + ex.Message);
         return(false);
     }
 }