更新

AntdWpf/Converters/AdditionConverter.cs

@@ -0,0 +1,13 @@
+namespace AntdWpf.Converters;
+
+using System;
+using System.Globalization;
+public class AdditionConverter : ArithmeticConverter
+{
+    public override double Convert(double value, Type targetType, double parameter, CultureInfo culture)
+    {
+        return value + parameter;
+    }
+
+
+}