Sviluppo TradingBot

DesktopBot/Converters/MaxItemsConverter.cs

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+using System;
+using System.Collections;
+using System.Collections.ObjectModel;
+using System.Globalization;
+using System.Linq;
+using System.Windows.Data;
+
+namespace DesktopBot.Converters
+{
+    /// <summary>
+    /// Converte una IEnumerable in una collezione limitata ai primi N elementi.
+    /// Parametro: numero massimo di elementi da visualizzare (default 50).
+    /// </summary>
+    public class MaxItemsConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (!(value is IEnumerable enumerable))
+                return value;
+
+            // Estrai il parametro per il limite
+            int maxItems = 50;
+            if (parameter != null && int.TryParse(parameter.ToString(), out int parsedMax))
+                maxItems = parsedMax;
+
+            // Converti a lista e prendi gli ultimi N elementi (ordine LIFO)
+            var list = enumerable.Cast<object>().Take(maxItems).ToList();
+            return new ObservableCollection<object>(list);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}