private void ExportPlanetPositions()
 {
     if (planet_placement_project_ != null)
     {
         tool.XMLHandler xmlIO = new tool.XMLHandler();
         xmlIO.UpdatePlanetXMLFiles(planet_placement_project_);
     }
 }
 private void ParseXMLFiles()
 {
     tool.XMLHandler XMLWorker = new tool.XMLHandler();
     planet_placement_project_.ProjActivePlanets = XMLWorker.DeserializeXMLFilesPlanets(planet_placement_project_);
 }