Переписал сохранение на StreamWriter

ProjectStormtrooper/ProjectStormtrooper/PlanesGenericStorage.cs

@@ -89,23 +89,20 @@ namespace ProjectStormtrooper
             {
                 File.Delete(filename);
             }
-            StringBuilder data = new();
-            foreach (KeyValuePair<string, PlanesGenericCollection<DrawingPlane, DrawingObjectPlane>> record in _planeStorages)
+            using (StreamWriter sw = File.CreateText(filename))
             {
-                StringBuilder records = new();
-                foreach (DrawingPlane? elem in record.Value.GetPlanes)
+                sw.WriteLine($"PlaneStorage");
+                string storageString;
+                foreach (var storage in _planeStorages)
                 {
-                    records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
+                    storageString = "";
+                    foreach (var plane in storage.Value.GetPlanes)
+                    {
+                        storageString += $"{plane?.GetDataForSave(_separatorForObject)}{_separatorRecords}";
+                    }
+                    sw.WriteLine($"{storage.Key}{_separatorForKeyValue}{storageString}");
                 }
-                data.AppendLine($"{record.Key}{_separatorForKeyValue}{records}");
             }
-            if (data.Length == 0)
-            {
-                return false;
-            }
-            using FileStream fs = new(filename, FileMode.Create);
-            byte[] info = new UTF8Encoding(true).GetBytes($"PlaneStorage{Environment.NewLine}{data}");
-            fs.Write(info, 0, info.Length);
             return true;
         }
         /// <summary>