edit lab 1 and accept

ComponentsLibrary/ListBoxValues.cs

@@ -71,48 +71,45 @@ namespace ComponentsLibrary
 
 		}
         // Публичный параметризованный метод для получения объекта из выбранной строки
-        public T? GetSelectedItem<T>() where T : new()
+        public T GetSelectedItem<T>() where T : new()
         {
             var selectedItem = listBox.SelectedItem;
-            if (selectedItem != null)
-            {
-                string selectedString = selectedItem.ToString();  // Строка из ListBox
-                T obj = new T();
+			if (selectedItem == null)
+			{
+				throw new Exception();
+			}
+            string selectedString = selectedItem.ToString(); 
+            T obj = new T();
 
-                PropertyInfo[] properties = typeof(T).GetProperties();
+            PropertyInfo[] properties = typeof(T).GetProperties();
 
-                string pattern = layoutString;
+            string pattern = layoutString;
 
  
-                for (int i = 0; i < properties.Length; i++)
-                {
-                    PropertyInfo prop = properties[i];
-                    string propertyPattern = $"{startSymbol}{prop.Name}{endSymbol}";
-					if (i == properties.Length - 1)
-					{
-						pattern = pattern.Replace(propertyPattern, "(.*)");  
-					}
-					else
-					{
-						pattern = pattern.Replace(propertyPattern, "(.*?)");
-                    }
-                }
-                Regex regex = new Regex(pattern);
-                Match match = regex.Match(selectedString);
-
-                if (match.Success)
-                {
-                    for (int i = 0; i < properties.Length; i++)
-                    {
-                        string value = match.Groups[i + 1].Value;
-                        object convertedValue = Convert.ChangeType(value, properties[i].PropertyType);
-                        properties[i].SetValue(obj, convertedValue);
-                    }
-                    return obj;
+            for (int i = 0; i < properties.Length; i++)
+            {
+                PropertyInfo prop = properties[i];
+                string propertyPattern = $"{startSymbol}{prop.Name}{endSymbol}";
+				if (i == properties.Length - 1)
+				{
+					pattern = pattern.Replace(propertyPattern, "(.*)");  
+				}
+				else
+				{
+					pattern = pattern.Replace(propertyPattern, "(.*?)");
                 }
             }
-            return default;
-        }
+            Regex regex = new Regex(pattern);
+            Match match = regex.Match(selectedString);
 
+            for (int i = 0; i < properties.Length; i++)
+            {
+                string value = match.Groups[i + 1].Value;
+                object convertedValue = Convert.ChangeType(value, properties[i].PropertyType);
+                properties[i].SetValue(obj, convertedValue);
+            }
+            return obj;
+
+        }
     }
 }