changes: addset check

AirBomber/AirBomber/WarAirplaneGenericStorage.cs

@@ -23,6 +23,10 @@ namespace AirBomber.Generics
         }
         public void AddSet(string name)
         {
+            if (_warAirplaneStorages.ContainsKey(name))
+            {
+                return;
+            }
             _warAirplaneStorages.Add(name, new WarAirplaneGenericCollection<DrawingWarAirplane, DrawingObjectWarAirplane>(_pictureWidth, _pictureHeight));
         }
         public void DelSet(string name)
@@ -34,12 +38,6 @@ namespace AirBomber.Generics
 
             _warAirplaneStorages.Remove(name);
         }
-
-        /// <summary>
-        /// Доступ к набору
-        /// </summary>
-        /// <param name="ind"></param>
-        /// <returns></returns>
         public WarAirplaneGenericCollection<DrawingWarAirplane, DrawingObjectWarAirplane>? this[string ind]
         {
             get