feat: got stuck with bug of Community.Mvvm generating codes

BallanceTasEditor/Converters/GenericConverter.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace BallanceTasEditor.Converters {
+    public class GenericConverter<TIn, TOut> : IValueConverter {
+
+        private readonly Func<TIn, TOut> converter;
+
+        public GenericConverter(Func<TIn, TOut> converter) { this.converter = converter; }
+
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
+            if (value is TIn t) {
+                return converter(t);
+            } else {
+                return Binding.DoNothing;
+            }
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
+            return Binding.DoNothing;
+        }
+    }
+
+    public static class ConverterWarehouse {
+        public static readonly GenericConverter<int, string> FpsConverter =
+            new GenericConverter<int, string>((v) => Utils.FpsConverter.ToDelta(v).ToString());
+    }
+}