Laba1Loco/Laba1Loco/TrainsGenericStorage.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace Laba1Loco
@@ -89,9 +90,13 @@ namespace Laba1Loco
                         DrawingTrain train = elem?.CreateDrawingTrain(_separatorForObject, _pictureWidth, _pictureHeight);
                         if (train != null)
                         {
-                            if (collection + train == -1)
+                            try
                             {
-                                throw new Exception("Ошибка добавления в коллекцию");
+                                int t = collection + train;
+                            }
+                            catch (ApplicationException ex)
+                            {
+                                throw new Exception($"Ошибка добавления в коллекцию: {ex.Message}");
                             }
                         }
                     }