Сделал с nlog

Monorail/Monorail/FormMonorailCollection.cs

@@ -1,4 +1,5 @@
-using Monorail.DrawningObjects;
+using Microsoft.Extensions.Logging;
+using Monorail.DrawningObjects;
 using Monorail.Exceptions;
 using Monorail.Generics;
 using Monorail.MovementStrategy;
@@ -12,18 +13,21 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using System.Xml.Linq;
 
 namespace Monorail
 {
     public partial class FormMonorailCollection : Form
     {
         private readonly MonorailGenericStorage _storage;
+        private readonly ILogger _logger;
 
-        public FormMonorailCollection()
+        public FormMonorailCollection(ILogger<FormMonorailCollection> logger)
         {
             InitializeComponent();
             _storage = new MonorailGenericStorage(pictureBoxCollection.Width,
                 pictureBoxCollection.Height);
+            _logger = logger;
         }
 
         private void ReloadObjects()
@@ -68,6 +72,7 @@ namespace Monorail
                 {
                     bool q = obj + m;
                     MessageBox.Show("Объект добавлен");
+                    _logger.LogInformation($"Добавлен объект в коллекцию {listBoxStorages.SelectedItem.ToString() ?? string.Empty}");
                     m.ChangePictureBoxSize(pictureBoxCollection.Width, pictureBoxCollection.Height);
                     pictureBoxCollection.Image = obj.ShowMonorails();
                 }
@@ -96,17 +101,23 @@ namespace Monorail
             {
                 return;
             }
-            int pos = Convert.ToInt32(maskedTextBox.Text);
             try
             {
+                
+                int pos = Convert.ToInt32(maskedTextBox.Text);
                 var q = obj - pos;
                 MessageBox.Show("Объект удален");
+                _logger.LogInformation($"Удален объект из коллекции {listBoxStorages.SelectedItem.ToString() ?? string.Empty} по номеру {pos}");
                 pictureBoxCollection.Image = obj.ShowMonorails();
             }
             catch (MonorailNotFoundException ex)
             {
                 MessageBox.Show(ex.Message);
             }
+            catch(FormatException ex)
+            {
+                MessageBox.Show("Введите число");
+            }
         }
 
         private void updateCollectionButton_Click(object sender, EventArgs e)
@@ -140,9 +151,11 @@ _storage[listBoxStorages.SelectedItem?.ToString() ?? string.Empty]?.ShowMonorail
             if (MessageBox.Show($"Удалить объект {listBoxStorages.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo,
 MessageBoxIcon.Question) == DialogResult.Yes)
             {
-                _storage.DelSet(listBoxStorages.SelectedItem.ToString()
-                ?? string.Empty);
+                string name = listBoxStorages.SelectedItem.ToString()
+                ?? string.Empty;
+                _storage.DelSet(name);
                 ReloadObjects();
+                _logger.LogInformation($"Удален набор: {name}");
             }
 
         }
@@ -157,6 +170,7 @@ MessageBoxIcon.Question) == DialogResult.Yes)
             }
             _storage.AddSet(storageAddNameBox.Text);
             ReloadObjects();
+            _logger.LogInformation($"Добавлен набор: {storageAddNameBox.Text}");
         }
 
         private void SaveToolStripMenuItem_Click(object sender, EventArgs e)
@@ -168,6 +182,7 @@ MessageBoxIcon.Question) == DialogResult.Yes)
                     _storage.SaveData(saveFileDialog.FileName);
                     MessageBox.Show("Сохранение прошло успешно",
                     "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    _logger.LogInformation($"Файл {saveFileDialog.FileName} успешно сохранен");
                 }
                 catch (Exception ex)
                 {
@@ -187,6 +202,7 @@ MessageBoxIcon.Question) == DialogResult.Yes)
                     _storage.LoadData(openFileDialog.FileName);
                     MessageBox.Show("Загрузка прошла успешно",
                     "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    _logger.LogInformation($"Файл {openFileDialog.FileName} успешно загружен");
                     foreach (var collection in _storage.Keys)
                     {
                         listBoxStorages.Items.Add(collection);

Monorail/Monorail/Monorail.csproj

@@ -6,6 +6,11 @@
     <UseWindowsForms>true</UseWindowsForms>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.3.5" />
+  </ItemGroup>
+
   <ItemGroup>
     <Compile Update="Properties\Resources.Designer.cs">
       <DesignTime>True</DesignTime>
@@ -21,4 +26,10 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="nlog.config">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

Monorail/Monorail/MonorailGenericStorage.cs

@@ -70,7 +70,7 @@ StringSplitOptions.RemoveEmptyEntries);
         {
             if (!File.Exists(filename))
             {
-                throw new Exception("Файл не найден");
+                throw new IOException("Файл не найден");
             }
             using (StreamReader sr = new(filename))
             {
@@ -79,11 +79,11 @@ StringSplitOptions.RemoveEmptyEntries);
 StringSplitOptions.RemoveEmptyEntries);
                 if (strs == null || strs.Length == 0)
                 {
-                    throw new Exception("Нет данных для загрузки");
+                    throw new IOException("Нет данных для загрузки");
                 }
                 if (!strs[0].StartsWith("MonorailStorage"))
                 {
-                    throw new Exception("Неверный формат данных");
+                    throw new IOException("Неверный формат данных");
                 }
                 _monorailStorages.Clear();
                 do
@@ -107,7 +107,7 @@ StringSplitOptions.RemoveEmptyEntries);
                         {
                             if (!(collection + monorail))
                             {
-                                throw new Exception("Ошибка добавления в коллекцию");
+                                return false;
                             }
                         }
                     }

Monorail/Monorail/Program.cs

@@ -1,12 +1,17 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using NLog.Extensions.Logging;
+
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace Monorail
 {
-    static class Program
+    internal static class Program
     {
         /// <summary>
         /// The main entry point for the application.
@@ -14,10 +19,25 @@ namespace Monorail
         [STAThread]
         static void Main()
         {
-            Application.SetHighDpiMode(HighDpiMode.SystemAware);
-            Application.EnableVisualStyles();
-            Application.SetCompatibleTextRenderingDefault(false);
-            Application.Run(new FormMonorailCollection());
+            
+            ApplicationConfiguration.Initialize();
+            var services = new ServiceCollection();
+            ConfigureServices(services);
+            using (ServiceProvider serviceProvider =
+           services.BuildServiceProvider())
+            {
+
+                Application.Run(serviceProvider.GetRequiredService<FormMonorailCollection>());
+            }
+        }
+        private static void ConfigureServices(ServiceCollection services)
+        {
+            services.AddSingleton<FormMonorailCollection>()
+            .AddLogging(option =>
+            {
+                option.SetMinimumLevel(LogLevel.Information);
+                option.AddNLog("nlog.config");
+            });
         }
     }
 }

Monorail/Monorail/nlog.config

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+  <nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
+   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+   autoReload="true" internalLogLevel="Info">
+    <targets>
+      <target xsi:type="File" name="toFile" fileName="${basedir}/monoraillog-${shortdate}.log" />
+    </targets>
+    <rules>
+      <logger name="*" minlevel="Debug" writeTo="tofile" />
+      <logger name="*" minlevel="Warning" maxlevel ="Warning" writeTo="tofile" />
+    </rules>
+  </nlog>
+</configuration>